St. Moritz vs Val d'Isère in September

St. Moritz is the better pick in September — 40 vs 27 on SeasonMap's comfort score. St. Moritz is cool, rainy, clean air, while Val d'Isère is cool, rainy, clean air.

St. Moritz vs Val d'Isère — September climate, side by side

🇨🇭 St. Moritz🇫🇷 Val d'Isère
Comfort score40/100 (F)27/100 (F)
Feels-like high12°C14°C
Avg high / low13° / 3°15° / 7°
Rainfall120 mm110 mm
Rainy days1517
Humidity84%80%
Air quality (AQI)3938

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

Month by month

St. Moritz vs Val d'Isère in September — FAQ

Is September better in St. Moritz or Val d'Isère?
St. Moritz is the better pick in September — 40 vs 27 on SeasonMap's comfort score. St. Moritz is cool, rainy, clean air, while Val d'Isère is cool, rainy, clean air.
What is the weather like in St. Moritz vs Val d'Isère in September?
In September, St. Moritz averages 13°C high / 3°C low with about 120 mm of rain; Val d'Isère averages 15°C high / 7°C low with about 110 mm.