Kathmandu vs London in September

London is the better pick in September — 82 vs 55 on SeasonMap's comfort score. London is nice, a little rain, clean air, while Kathmandu is hot, soaked, very humid.

Kathmandu vs LondonSeptember climate, side by side

KathmanduLondon
Comfort score55/100 (D)82/100 (A)
Feels-like high30°C19°C
Avg high / low25° / 20°20° / 12°
Rainfall424 mm55 mm
Rainy days2910
Humidity89%78%
Air quality (AQI)6346

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Kathmandu vs London in September — FAQ

Is September better in Kathmandu or London?
London is the better pick in September — 82 vs 55 on SeasonMap's comfort score. London is nice, a little rain, clean air, while Kathmandu is hot, soaked, very humid.
What is the weather like in Kathmandu vs London in September?
In September, Kathmandu averages 25°C high / 20°C low with about 424 mm of rain; London averages 20°C high / 12°C low with about 55 mm.