Kathmandu
Nepal
Long term weather forecast
Long term weather forecast

September weather forecast and Climate
Kathmandu, Nepal

  • Average high temperature in September: 82.6°F

Warmest month (with highest average high temperature) is June (84.4°F).
Month with lowest average high temperature is January (66.4°F).

  • Average low temperature in September: 65.3°F

Month with highest average low temperature is July (68.4°F).
Coldest month (with lowest average low temperature) is January (36.3°F).

  • Average humidity in September: 82%

Month with highest relative humidity is November (85%).
Month with lowest relative humidity is April (53%).

  • Average rainfall in September: 7.9"

Wettest month (with highest rainfall) is July (14.3").
Driest month (with lowest rainfall) is November (0.3").

  • Average rainfall days in September: 15 days

Month with highest number of rainy days is July (23 days).
Months with lowest number of rainy days are November and December (1 days).

  • Average daylight in September: 12h

Months with longest days are May, June and July (Average daylight: 14).
Month with shortest days is December (Average daylight: 10).

  • Average sunshine in September: 4.4h

Month with most sunshine is February (Average sunshine: 9.1).
Months with least sunshine are July and September (Average sunshine: 4.4).

  • Average UV index in September: 11

Months with highest UV index are April, May, June, July and August (UV index 12).
Months with lowest UV index are January and December (UV index 5).

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