What is the weather like in Grindelwald vs Interlaken in September?

In September, Grindelwald averages 18°C high / 9°C low with about 180 mm of rain; Interlaken averages 20°C high / 11°C low with about 156 mm.

Grindelwald vs Interlaken in September

Grindelwald and Interlaken are nearly tied in September — 84 vs 86 on SeasonMap's comfort score. Grindelwald is nice, soaked, clean air; Interlaken is nice, soaked, clean air.

Grindelwald vs Interlaken — September climate, side by side

	🇨🇭 Grindelwald	🇨🇭 Interlaken
Comfort score	84/100 (A)	86/100 (A)
Feels-like high	18°C	21°C
Avg high / low	18° / 9°	20° / 11°
Rainfall	180 mm	156 mm
Rainy days	16	15
Humidity	85%	84%
Air quality (AQI)	35	35

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

Month by month

Grindelwald vs Interlaken in September — FAQ

Is September better in Grindelwald or Interlaken?: Grindelwald and Interlaken are nearly tied in September — 84 vs 86 on SeasonMap's comfort score. Grindelwald is nice, soaked, clean air; Interlaken is nice, soaked, clean air.
What is the weather like in Grindelwald vs Interlaken in September?: In September, Grindelwald averages 18°C high / 9°C low with about 180 mm of rain; Interlaken averages 20°C high / 11°C low with about 156 mm.