Kathmandu Weather in September
Nepal · 30-year monthly averages
🤔 Fair time to visit
September in Kathmandu is warm, with average daytime highs around 29°C (83°F) and nighttime lows near 19°C (66°F). Expect roughly 208mm of precipitation spread over about 15 rainy days, and heavy rainfall is common — this is peak wet season territory.
Avg high
29°C
83°F
Avg low
19°C
66°F
Rainfall
208mm
very wet
Rainy days
15
days with ≥1mm
🎒 What to pack
- light summer clothing
- sunscreen and sunglasses
- compact umbrella or rain jacket
September vs the rest of the year
FAQ
- How hot is Kathmandu in September?
- September in Kathmandu is warm, with average daytime highs around 29°C (83°F) and nighttime lows near 19°C (66°F). Expect roughly 208mm of precipitation spread over about 15 rainy days, and heavy rainfall is common — this is peak wet season territory.
- Does it rain a lot in Kathmandu in September?
- Kathmandu sees around 208mm of precipitation in September on average — very wet by global standards.
- Is September a good time to visit Kathmandu?
- September is a workable month to visit Kathmandu, but expect some weather trade-offs.