What is the weather like in Basel vs Bern in September?

In September, Basel averages 22°C high / 12°C low with about 64 mm of rain; Bern averages 21°C high / 10°C low with about 80 mm.

Basel vs Bern in September

Basel is the better pick in September — 91 vs 84 on SeasonMap's comfort score. Basel is nice, a little rain, clean air, while Bern is nice, a little rain, clean air.

Basel vs Bern — September climate, side by side

	🇨🇭 Basel	🇨🇭 Bern
Comfort score	91/100 (S)	84/100 (A)
Feels-like high	22°C	21°C
Avg high / low	22° / 12°	21° / 10°
Rainfall	64 mm	80 mm
Rainy days	9	11
Humidity	74%	79%
Air quality (AQI)	45	38

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

Month by month

Basel 🇨🇭 Switzerlandnice, a little rain, clean air · best September91
Bern 🇨🇭 Switzerlandnice, a little rain, clean air · best June84

Basel vs Bern in September — FAQ

Is September better in Basel or Bern?: Basel is the better pick in September — 91 vs 84 on SeasonMap's comfort score. Basel is nice, a little rain, clean air, while Bern is nice, a little rain, clean air.
What is the weather like in Basel vs Bern in September?: In September, Basel averages 22°C high / 12°C low with about 64 mm of rain; Bern averages 21°C high / 10°C low with about 80 mm.