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Nepal weather in September 2025
Expect 82°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Nepal in September. Check more long-term weather averages for Nepal in September before you book your next holiday to Nepal in 2025/2026.
- 82°F max day temperature
82 - 4 hours of sunshine per day
- 10 days with some rainfall
10 - 64°F min night temperature
64 - 12 hours of daylight per day
12 - Low heat & humidity
L - 12.7 inches of monthly rainfall
12.7 - 11 (Extreme) UV index
11
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Recommended for Nepal
The September weather guide for Nepal (Kathmandu) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Nepal destinations
Below are average maximum temperatures at popular countries, regions and places in Nepal in September. Select a holiday destination to see more weather parameters.
All Nepal destinations
- Bandipur
- Bardia National Park
- Bharatpur
- Dhulikhel
- Janakpur
- Jomsom
- Kathmandu
- Lukla
- Lumbini
- Namche Bazaar
- Phoksundo Lake
- Pokhara
- Tansen
Metric (°C) | Imperial (°F)
How hot is it in Nepal in September?
Daytime temperatures usually reach 82°F in Kathmandu, Nepal in September with low heat and humidity, falling to 64°F at night.
How sunny is it in Nepal in September?
There are normally 4 hours of bright sunshine each day in Kathmandu, Nepal in September - that's 31% of daylight hours.
Does it rain in Nepal in September?
There are usually 10 days with some rain in Kathmandu, Nepal in September and the average monthly rainfall is 12.7 inches.
What is the chance of a cyclone in Nepal in September?
On average less than 1 day in September in Kathmandu, Nepal is likely to be affected by the passage of one or more tropical storms.
Nepal September sunrise & sunset times
Browse the sunrise and sunset times for Nepal in September 2025. Select a month to view Nepal sunrise and sunset times for the next 12 months. The Nepal sunrise and sunset times shown below are for Kathmandu.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 05:43 | 18:25 |
| Monday, 15th September 2025 | 05:49 | 18:09 |
| Tuesday, 30th September 2025 | 05:56 | 17:51 |
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