Weather in Kathmandu in September
In an average September, Kathmandu sees a daily high around 25°C and a low around 18°C, based on 1980–2026 of local climate records.
| Average high | 25°C |
|---|---|
| Typical high range | 23°C to 27°C |
| Average low | 18°C |
| Typical low range | 17°C to 20°C |
| Average daily precipitation | 13 mm |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
30°C
2024-09-22
Lowest
19°C
2024-09-28
Low
Highest
21°C
2024-09-07
Lowest
13°C
2000-09-30
Feels-like
Highest
37°C
2024-09-22
Lowest
15°C
1986-09-30
Humidity
Highest
19.7 g/m³
2019-09-11
Lowest
11.4 g/m³
2000-09-30
Wind
Highest
9 km/h
1995-09-09
Lowest
3 km/h
2012-09-18
Gust
Highest
50 km/h
2007-09-25
Lowest
14 km/h
2019-09-19
Precip
Wettest
718 mm
2024
Driest
167 mm
2005
See Kathmandu's live weather grade →
Visiting Kathmandu in September? See how its comfort stacks up against where you live.
Compare Kathmandu with your city →