Kathmandu Weather in September
What's the weather like in Kathmandu (Central Region) in September 2024?
The climate in Kathmandu during September can be summarized as warm, humid and very wet.
September is in the fall / autumn in Kathmandu and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 18°C (65°F) is normal.
| Daytime temperature | 27.6°C 81.6°F |
|---|---|
| Nightly temperature | 18.1°C 64.5°F |
| Average temperature | 22.8°C 73°F |
| Daily sunshine | 4.1 hrs |
| Avg rainfall | 323 mm 12.7 ins |
| Rainy days | 10 days |
| Sea temperature | 25.6°C 78.1°F |
| Humidity | 84% |
| Windspeed | 4.3kph 3 mph |
On average September is the 4th wettest month of the year in Kathmandu with around 323mm 12.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.1 hours of sunshine per day.
September temperatures in Kathmandu
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Kathmandu in September 2024.
Other monthly averages
Best places to visit in September
Kathmandu weather stats
| Hottest month: | July | 28°C 82.4°F |
|---|---|---|
| Driest month: | November | 10mm 0.4ins |
| Sunniest month: | April | 9.7hrs |
| Coldest month: | January | 17.2°C 63°F |
| Wettest month: | July | 547mm 21.5ins |
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