What is the weather like in London vs Oslo in September?

In September, London averages 21°C high / 12°C low with about 56 mm of rain; Oslo averages 18°C high / 10°C low with about 93 mm.

London vs Oslo in September

London is the better pick in September — 84 vs 74 on SeasonMap's comfort score. London is nice, a little rain, clean air, while Oslo is nice, rainy, clean air.

London vs Oslo — September climate, side by side

	London	Oslo
Comfort score	84/100 (A)	74/100 (B)
Feels-like high	19°C	16°C
Avg high / low	21° / 12°	18° / 10°
Rainfall	56 mm	93 mm
Rainy days	11	10
Humidity	78%	82%
Air quality (AQI)	46	38

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

London vs Oslo in September — FAQ

Is September better in London or Oslo?: London is the better pick in September — 84 vs 74 on SeasonMap's comfort score. London is nice, a little rain, clean air, while Oslo is nice, rainy, clean air.
What is the weather like in London vs Oslo in September?: In September, London averages 21°C high / 12°C low with about 56 mm of rain; Oslo averages 18°C high / 10°C low with about 93 mm.