September is a good time for the Annapurna Circuit Trek. The trails are peaceful. The landscapes are beautiful. You get to see the Himalayan way of life before the crowds come in October. The Annapurna Circuit Trek in September is really special because you get to see the green scenery after the monsoon and the weather gets better throughout the month.
In fact, every day on the Annapurna Circuit in September feels fresh and new. The monsoon is going away. The forests are a deep green. The waterfalls are full. The rivers sparkle in the clear sky. The mountain views are amazing after mid-September. The trek takes you through some villages like Besisahar, Dharapani, Chame, Upper Pisang, Manang, Yak Kharka, Thorong Phedi, Thorong La Pass, Muktinath and Jomsom. You also get to see some of the mountains in the world like Annapurna I, Annapurna II Annapurna III, Annapurna IV, Gangapurna, Tilicho Peak, Nilgiri Dhaulagiri I and Machhapuchhre.
Why Choose September for Annapurna Circuit Trek?
The Annapurna Circuit Trek takes you to amazing places like:
Why Trekkers Love September for Annapurna Circuit Trek?
The weather on the Annapurna Circuit Trek in September changes from the monsoon to the autumn trekking season. The first half of the month can be a bit wet. The second half is dry and sunny.
Meanwhile, the mornings are usually clear throughout the month. There can be afternoon showers in the first two weeks. After mid-September the sky is blue and the sun is shining. The Annapurna Circuit Trek weather in September is great for trekking. You get to see the mountains like Annapurna I, Annapurna II Annapurna III, Gangapurna, Tilicho Peak, Nilgiri, Machhapuchhre and Dhaulagiri I.
September Weather Pattern :
Weather in September by Elevation :
September Weather Advantages :
Local Expert Tips for September :
The Weather in Annapurna Circuit Trek in September is really nice. This is because Nepal is moving away from the monsoon season and into the stable autumn season. So, the lower valleys are warm during the day while the higher villages are cool and refreshing. The temperature changes as you go higher.
When we trek in September we usually wear clothes when we walk through Besisahar (760 m/2,493 ft) Bhulbhule (840 m/2,756 ft) Jagat (1,300 m/4,265 ft) Dharapani (1,860 m/6,102 ft) and Chame (2,650 m/8,694 ft) because it is pleasant during the day.
However, it gets cooler around Upper Pisang (3,300 m/10,827 ft) Manang (3,540 m/11,614 ft) Yak Kharka (4,050 m/13,287 ft) Thorong Phedi (4,540 m/14,895 ft) and Thorong La Pass (5,416 m/17,769 ft) especially in the morning and evening. The clear air in September also makes the views of Annapurna I (8,091 m/26,545 ft) Annapurna II (7,937 m/26,040 ft) Annapurna III (7,555 m/24,787 ft) Gangapurna (7,455 m/24,459 ft) Tilicho Peak (7,134 m/23,406 ft) Nilgiri (7,061 m/23,166 ft) Machhapuchhre (6,993 m/22,943 ft) and Dhaulagiri I (8,167 m/26,795 ft) beautiful throughout the journey.
| Trekking Area | Elevation | Day Temperature | Night Temperature |
|---|---|---|
| Besisahar | 760 m (2,493 ft) | 20°C–27°C (68°F–80°F) | 15°C–18°C (59°F–64°F) |
| Dharapani | 1,860 m (6,102 ft) | 18°C–24°C (64°F–75°F) | 12°C–15°C (54°F–59°F) |
| Chame | 2,650 m (8,694 ft) | 15°C–20°C (59°F–68°F) | 8°C–12°C (46°F–54°F) |
| Manang | 3,540 m (11,614 ft) | 10°C–16°C (50°F–61°F) | 0°C–5°C (32°F–41°F) |
| Thorong Phedi | 4,540 m (14,895 ft) | 5°C–10°C (41°F–50°F) | -2°C–2°C (28°F–36°F) |
| Thorong La Pass | 5,416 m (17,769 ft) | 2°C–8°C (36°F–46°F) | -5°C–0°C (23°F–32°F) |
| Elevation Zone | Weather Experience |
|---|---|
| Below 2,000 m | Warm and comfortable |
| 2,000–3,500 m | Pleasant and cool |
| Above 3,500 m | Cool days and cold nights |
| Above 4,500 m | Cold mornings with alpine winds |
Clothing Suggestions by Temperature :
No, it does not rain often on the Annapurna Trek in September. Although there may be some afternoon showers in the first half of the month, the Annapurna Trek in September is really enjoyable. The rainfall becomes lighter every week. Late September usually has dry trails and beautiful autumn weather.
From our experience, most rainy periods are short during September. It normally happens in the late afternoon or evening. The mornings are usually ideal for trekking. So, the trail from Besisahar (760 m/2,493 ft) through Jagat (1,300 m/4,265 ft) Dharapani (1,860 m/6,102 ft) Chame (2,650 m/8,694 ft) and Manang (3,540 m/11,614 ft) gradually becomes drier as September progresses. Also, after crossing Thorong La Pass (5,416 m/17,769 ft) into Muktinath (3,800 m/12,467 ft) and the Mustang region rainfall becomes very rare. This is because the area is in the rain shadow. Therefore, trekkers usually enjoy weather and outstanding views of Annapurna I (8,091 m/26,545 ft) Annapurna II (7,937 m/26,040 ft) Nilgiri (7,061 m/23,166 ft) Dhaulagiri I (8,167 m/26,795 ft) and Machhapuchhre (6,993 m/22,943 ft).
| September Period | Rainfall | Trekking Conditions |
|---|---|---|
| 1–10 September | Light afternoon showers | Good |
| 11–20 September | Occasional brief showers | Good |
| 21–30 September | little rain | Excellent |
| Area | Rainfall Level |
|---|---|
| Besisahar to Chame | Moderate early September |
| Chame to Manang | Low rainfall |
| Manang to Thorong La | Very low rainfall |
| Mustang Region | Rain shadow with minimal rain |
| Muktinath to Jomsom | Mostly dry |
Why Rain Is Less After Manang during September?
Trekking Tips for September :
The Annapurna Circuit Trek weather in September is a mix of everything because it is the time when the monsoon is ending and autumn is starting. This means that the lower parts of the trail can still be wet in September, but the higher parts of the trail become dry and comfortable as the month goes on.
Here, we have found that the trails around Syange, Jagat, Tal, Dharapani and parts of Chame can be wet after it rains in the afternoon during the two weeks of September.. The trails dry up quickly after the middle of September. The paths through Upper Pisang, Manang, Yak Kharka, Thorong Phedi, Thorong La Pass and Muktinath are usually dry because it is drier in the mountains. September is a time to see the beautiful views of Annapurna I, Annapurna II, Gangapurna, Tilicho Peak, Nilgiri, Machhapuchhre and Dhaulagiri I as the sky gets clearer.
| Trek Section | Elevation | September | September |
|---|---|---|
| Syange | 1,100 m (3,609 ft) | Muddy | Mostly dry |
| Jagat | 1,300 m (4,265 ft) | Wet stone steps | Dry trails |
| Tal | 1,700 m (5,577 ft) | Some muddy sections | paths |
| Dharapani | 1,860 m (6,102 ft) | Moist forest trails | Comfortable walking |
| Chame–Manang | 2,650–3,540 m (8,694–11,614 ft) | Mostly dry | Excellent |
| High Alpine Zone | Above 4,000 m (13,123 ft) | Dry rocky trails | Excellent |
| Elevation | Leech Risk |
|---|---|
| Below 2,000 m (6,562 ft) | You might see leeches in early September |
| 2,000–3,000 m (6,562–9,843 ft) | few leeches |
| Above 3,000 m (9,843 ft) | No leeches |
Safe Trekking Tips for September :
It is very unlikely to have snow at Thorong La Pass in September. You might see some snowflakes or thin icy patches if it gets cold suddenly. Usually, the weather is safe for crossing the pass because it gets more stable throughout the month.
When we go on guided treks to Thorong La Pass, it is usually open. The trail is clear. But it can get very cold before sunrise so you might see some frost or light snow near the top. That is why guides start the pass crossing from Thorong Phedi or High Camp to finish the climb before the strong afternoon winds start. On clear September mornings you can see the beautiful views of Annapurna I, Annapurna II Annapurna III, Gangapurna, Tilicho Peak, Nilgiri Dhaulagiri I and Machhapuchhre.
| Condition | Typical September Weather |
|---|---|
| Pass Elevation | 5,416 m (17,769 ft) |
| Morning Temperature | -5°C to 0°C (23°F to 32°F) |
| Day Temperature | 2°C to 8°C (36°F, to 46°F) |
| Heavy Snowfall | It is rare to have heavy snow |
| Light Frost | You might see frost |
| Trail Status | The trail is usually open and safe |
| Weather Feature | September Reality |
|---|---|
| Deep snow | It is very rare to see snow |
| Light snow flurries | You might see some snow |
| Thin icy patches | You might see icy patches before sunrise |
| Avalanche risk | The risk of avalanche is very low |
| Trail closure | It is uncommon for the trail to be closed |
Safe Thorong Pass Crossing Tips :
The Annapurna Circuit Trekking Weather in September gets really cold at elevations. Thorong La Pass is the point of the trek. This is why trekkers start hiking around 3:00 AM from Thorong Phedi or High Camp. The morning weather is usually calm. The temperatures are still well below freezing.
When we hiked in Last September in the mid of the month, the temperature at Thorong La Pass was usually between -5°C and -10°C. The strong winds made it feel even colder. However, the cold is normally dry and stable during September. The trail usually remains open with light frost or small icy patches. If you prepare carefully the crossing is comfortable. The sunrise over Annapurna I, Annapurna II Annapurna III, Gangapurna, Tilicho Peak, Nilgiri Dhaulagiri I and Machhapuchhre is just amazing.
| Time | Temperature | Weather |
|---|---|---|
| 3:00–5:00 AM | -10°C to -5°C | Very cold with wind chill |
| Sunrise | -8°C to -3°C | Frosty and clear |
| Morning | -2°C to 5°C | Sunny and gradually warmer |
| Afternoon | 2°C to 8°C | Cool. Windier |
| Location | Elevation | Morning Temperature |
|---|---|---|
| Manang | 3,540 m | 0°C to 5°C |
| Yak Kharka | 4,050 m | -2°C to 3°C |
| Thorong Phedi | 4,540 m | -5°C to 0°C |
| High Camp | 4,925 m | -7°C to -2°C |
| Thorong La Pass | 5,416 m | -10°C to -5°C |
Essential Clothing for Thorong Pass Day :
Yes, September is a good time for photography. The Annapurna Circuit in September offers mountain visibility. This is because the post-monsoon rain washes dust, smoke and haze from the atmosphere. The Himalayan skyline is remarkably sharp.
From our experience, the best time for photography is between 6:00 AM and 10:00 AM. The skies are calm. The mountains shine under bright autumn sunshine. However light clouds may develop during the afternoon. So, an early start is always best. You can take panoramas of Annapurna I, Annapurna II Annapurna III, Annapurna IV, Gangapurna, Tilicho Peak, Nilgiri North, Machhapuchhre Dhaulagiri I, Lamjung Himal and even distant Manaslu from several viewpoints.
| Location | Elevation | Main Mountain Views |
|---|---|---|
| Chame | 2,650 m | Lamjung Himal, Annapurna II |
| Upper Pisang | 3,300 m | Annapurna II Annapurna III |
| Manang | 3,540 m | Gangapurna, Annapurna III |
| Thorong La Pass | 5,416 m | Annapurna Range, Dhaulagiri |
| Muktinath | 3,800 m | Dhaulagiri, Nilgiri |
| Time | Visibility | Photography Quality |
|---|---|---|
| Sunrise–8:00 AM | Crystal clear | Excellent |
| 8:00–10:00 AM | Very clear | Outstanding |
| 10:00 AM–1:00 PM | Clear | good |
| Afternoon | Some cloud build-up | Good |
Photography Tips for September :
Here, packing the right and light clothes for the Annapurna Circuit Trek in September makes the trek safer and more comfortable. The weather changes a lot with the altitude and the time of day. So, it is best to use the three-layer clothing system. This system keeps you comfortable during walks in the valley cool evenings in the mountains and occasional early September showers.
In the morning, it is usually cool around Manang. In the afternoon it gets warm below Chame and Dharapani. However, the temperature drops fast above Yak Kharka, Thorong Phedi and Thorong La Pass. So, it is essential to wear layers. Carrying waterproof clothes also helps during brief afternoon showers. Warm insulation keeps you comfortable during chilly evenings when you can see the beautiful views of Annapurna I, Annapurna II, Gangapurna, Tilicho Peak, Nilgiri, Machhapuchhre and Dhaulagiri I.
| Layer | Purpose | Recommended Clothing |
|---|---|---|
| Base Layer | Keeps skin dry | Moisture-wicking T-shirt or thermal top |
| Middle Layer | Provides warmth | Fleece jacket or light insulated jacket |
| Outer Layer | Protects from rain and wind | Lightweight waterproof shell jacket |
| Clothing Item | Recommended |
|---|---|
| Quick-dry trekking shirts | 2–3 |
| Thermal base layer | 1 set |
| Fleece jacket | 1 |
| Down jacket | 1 |
| Waterproof jacket | 1 |
| Waterproof trekking pants | 1 |
| Trekking trousers | 2 |
| Warm hat and gloves | 1 pair each |
| Wool socks | 3–4 pairs |
| Sun hat | 1 |
Essential Gear List for September :
Packing Tips for Annapurna Circuit during September :
Teahouse bedrooms get really cold during the Annapurna Circuit Trek in September especially as you go higher. The dining rooms are warm during dinner because of the wood or yak-dung stoves. The sleeping rooms have no heating and the temperature falls quickly after sunset
In villages like Dharapani and Chame it is fairly comfortable at night. In the higher places like Manang, Yak Kharka, Thorong Phedi and High Camp the bedrooms get much colder because the outside temperature often falls below freezing. So, a 3-season or 4-season sleeping bag rated to -10°C is an idea. It will keep you warm. Help you sleep well before crossing Thorong La Pass. On September nights you can see the beautiful stars above Annapurna I, Gangapurna, Tilicho Peak, Nilgiri and Dhaulagiri I.
| Location | Elevation | Outside Night Temperature |
|---|---|---|
| Dharapan | 1,860 m (6,102 ft) | 10°C–15°C (50°F–59°F) |
| Chame | 2,650 m (8,694 ft) | 8°C–12°C (46°F–54°F) |
| Manang | 3,540 m (11,614 ft) | 0°C–5°C (32°F–41°F |
| Yak Kharka | 4,050 m (13,287 ft) | -2°C–3°C (28°F–37°F) |
| Thorong Phedi | 4,540 m (14,895 ft) | -5°C–0°C (23°F–32°F) |
| High Camp | 4,925 m (16,158 ft) | -7°C–-2°C (19°F–28°F) |
| Facility | Availability |
|---|---|
| Heated dining room | Yes |
| Heated bedrooms | No |
| Blankets | Usually available |
| Hot drinks | Available |
| Charging | Available with a fee in many lodges |
Sleeping Essentials for September :
Sleep Tips for September Trek :
No, the Annapurna Trek in September is much quieter than October and November which makes it a great time for people who want to walk on trails and have real experiences with the local people. So, you can stay in teahouses comfortably get hospitality from the villages and see beautiful landscapes without all the crowds that come in the busy autumn season.
From what we have seen in the villages of Besisahar, Jagat, Dharapani, Chame, Upper Pisang, Manang, Yak Kharka, Thorong Phedi, Muktinath and Jomsom have plenty of rooms in their teahouses for most of September. However, more people start coming after the week of September which is when the main trekking season starts. Also, since the trails are quieter you can spend time looking at the amazing views of Annapurna I, Annapurna II Annapurna III, Gangapurna, Tilicho Peak, Nilgiri, Machhapuchhre and Dhaulagiri I and get to know the local Gurung, Manangi and Thakali communities better.
| Time of September | Trail Crowd | Teahouse Availability |
|---|---|---|
| 1–10 September | Very Low | Excellent |
| 11–20 September | Low | Very Good |
| 21–30 September | Moderate | Good |
| Benefit | Why It Matters |
|---|---|
| Peaceful trails | You can hike more and enjoy it |
| Easy room booking | You can choose a better place to stay |
| Faster meal service | You do not have to wait long for food |
| Quiet viewpoints | You can take better pictures |
| Authentic village life | You can meet people and learn |
| Relaxed trekking pace | You can have a better time trekking |
Why Trekkers Love September for Annapurna Circuit :
Yes, September is one of the best times to do the Annapurna Circuit Trek. If you are ready for the changing mountain weather and can handle a chance of rain at the start of the month you will have a wonderful time trekking.
From our experience with trekkers September has a great balance of green valleys, nice waterfalls, comfortable temperatures, peaceful trails and clear skies. So, every part of the trek from Besisahar to Thorong La Pass and then to Muktinath is more enjoyable as autumn starts.
Also, the views of Annapurna I, Annapurna II Annapurna III, Gangapurna, Tilicho Peak, Nilgiri Machhapuchhre Dhaulagiri I and Manaslu are amazing. Will stay with you forever. If you want a real Himalayan adventure with good value and cultural experiences September is a smart time to book your Annapurna Circuit Trek.
| Feature | September Advantage |
|---|---|
| Weather | Gets better every week |
| Mountain Views | Are great after mid-September |
| Trails | Are quiet and relaxing |
| Accommodation | Easy to find a room |
| Photography | Mornings are clear and nice |
| Nature | Forests are green and waterfalls are full |
| Trekking Experience | Is peaceful and real |
| Item | Recommendation |
|---|---|
| Best travel period | Mid to late September |
| Clothing | Wear layers for trekking |
| Rain protection | Bring a light waterproof jacket |
| Sleeping bag | Get one that is warm enough |
| Trekking poles | They are strongly recommended |
| Guide | Get a local guide |
| Buffer days | Add one or two extra days |
Final Trekking Tips for Annapurna Circuit in September :
Contact us and Book Annapurna Circuit Trek with a trusted trekking company like Haven Holidays Pvt. Ltd. to get updated weather information, reliable help and a safer journey across Thorong La Pass.
| Trail Elevation Zone | Average Day Temperature | Average Night Temperature | What the Weather Feels Like |
|---|---|---|
| Lower Valleys (Below 2,000 m / 6,562 ft) | 20°C–27°C (68°F–80°F) | 12°C–16°C (54°F–61°F) | It is warm, humid and the forests are green with some rain sometimes. |
| Mid Alpine (3,000–4,000 m / 9,843–13,123 ft) | 10°C–16°C (50°F–61°F) | 0°C–5°C (32°F–41°F) | The air is crisp the evenings are cool. The mornings are clear. |
| Thorong La Pass (5,416 m / 17,769 ft) | -4°C–5°C (25°F–41°F) | -5°C–-10°C (23°F–14°F) | It is cold in the morning windy and the skies are blue and clear. |
Local Expert Tip: September is such a time when the weather can change between the lower valleys and the dry alpine areas, near Thorong La Pass. Booking your trek with a local trekking agency and hiring a licensed guide will help you get real-time weather updates, secure teahouse reservations and a safer crossing of Nepal’s highest mountain pass.
1. What is the Annapurna Circuit Trek in September weather like?
The Annapurna Circuit Trek weather in September is warm and fresh. It is getting better after the monsoon season. Early September might have some rain. Late September has clearer skies. So, the Annapurna Circuit weather in September is ideal for trekking. It is also great for taking pictures of mountains and enjoying the views.
2. Is September the best time for the Annapurna Circuit Trek?
Yes, September is one of the best months for the Annapurna Circuit Trek. The monsoon rains make the trails greener. The rivers, waterfalls and forests look more vibrant. The mountain views get clearer in late September. This makes trekking more enjoyable.
3. What are the daytime temperatures on the Annapurna Circuit Trek in September?
The daytime temperatures range between 12°C and 22°C. This depends on the altitude. The lower villages are warm. The higher areas near Thorong La Pass are much cooler. So it is essential to wear layers of clothing during the trek.
4. How cold are the nights during the Annapurna Circuit Trek in September?
The night temperatures vary with elevation. The lower villages are comfortable. Places like Yak Kharka and Thorong Phedi can drop below freezing. It is recommended to carry a sleeping bag and insulated clothing.
5. Does it rain during the Annapurna Circuit Trek in September?
Yes, it can rain during the Annapurna Circuit Trek in September. Early September still has some monsoon showers. The rainfall decreases as the month progresses. So, the Annapurna Circuit Trek September weather becomes clearer and drier.
6. Can I see good mountain views during the Annapurna Circuit Trek in September?
Yes, the mountain visibility improves greatly in September. In September trekkers can enjoy stunning views of Annapurna II, Annapurna III, Gangapurna and Dhaulagiri under blue skies.
7. Is it safe to cross Thorong La Pass in September?
Yes, Thorong La Pass is generally safe in September. The weather conditions are stable later in the month. Trekkers should cross the pass early in the morning. This is because afternoon clouds and winds can develop quickly.
8. Is the Annapurna Circuit Trek crowded in September?
Early September is relatively quiet. The visitor numbers increase toward late September. So, trekkers can enjoy trails early in the month. They can still find services at local teahouses.
9. Are the trails slippery during the Annapurna Circuit Trek in September?
Some lower trails might be muddy after rainfall. The conditions improve throughout the month. Trekking boots with grip and trekking poles provide better comfort and safety.
10. What should I pack for the Annapurna Circuit Trek in September?
Pack waterproof clothing, layers, trekking boots, rain protection, gloves, a fleece jacket, sunglasses, sunscreen and a sleeping bag. Layering is the clothing strategy for the Annapurna Circuit Trek in September.
11. Is altitude sickness common during the Annapurna Circuit Trek in September?
Yes, altitude sickness can happen during the Annapurna Circuit Trek in September. Trekkers still climb above 5,000 meters. Proper acclimatization, hydration, gradual ascent and experienced guides can reduce the risk.
12. How is the landscape during the Annapurna Circuit Trek in September?
September offers some of Nepal’s best landscapes. The forests are lush. The waterfalls flow strongly. The terraced fields appear vibrant. So, the Annapurna Circuit Trek in September provides scenery.
13. Are teahouses open during the Annapurna Circuit Trek in September?
Yes, all teahouses operate throughout September. Accommodation is generally easy to find. Booking ahead is helpful during the final weeks as trekking numbers increase.
14. Can beginners do the Annapurna Circuit Trek in September?
Yes, healthy and trained beginners can complete the trek with preparation. The trek is physically demanding because of its duration and high altitude. Fitness training and proper acclimatization are strongly recommended.
15. Is a guide recommended for the Annapurna Circuit Trek in September?
Yes, hiring a guide improves safety, navigation and local cultural experiences. Guides also help monitor weather conditions and altitude-related challenges.
16. What permits are required for the Annapurna Circuit Trek in September?
Trekkers need the Annapurna Conservation Area Permit and the required trekking registration. Arranging permits before starting the trek ensures experience.
17. Is September good for photography on the Annapurna Circuit Trek?
Yes, September is great for photography. The fresh greenery, clouds, flowing rivers and improving mountain visibility create exceptional photography opportunities.
18. How difficult is the Annapurna Circuit Trek in September weather?
The Annapurna Circuit trek is moderately challenging. Daily walking lasts between five and eight hours. Crossing Thorong La Pass demands endurance. The cooler September temperatures make hiking more comfortable.
19. What are the advantages of doing Annapurna Circuit in September?
The Annapurna Circuit Trek in September offers landscapes, fewer crowds, fresh mountain air, comfortable temperatures and beautiful waterfalls. Many experienced trekkers consider September an excellent trekking season.
20. Why choose Haven Holidays Nepal for the Annapurna Circuit Trek in September?
Haven Holidays Nepal provides licensed guides, flexible itineraries, safe acclimatization schedules, quality accommodations and reliable local support. They closely monitor the Annapurna Circuit September weather. This ensures more enjoyable trekking experience.
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