What is the weather like in Lyon vs Val d'Isère in September?

In September, Lyon averages 25°C high / 14°C low with about 67 mm of rain; Val d'Isère averages 15°C high / 7°C low with about 110 mm.

Lyon vs Val d'Isère in September

Lyon is the better pick in September — 93 vs 27 on SeasonMap's comfort score. Lyon is warm, a little rain, clean air, while Val d'Isère is cool, rainy, clean air.

Lyon vs Val d'Isère — September climate, side by side

	Lyon	Val d'Isère
Comfort score	93/100 (S)	27/100 (F)
Feels-like high	24°C	14°C
Avg high / low	25° / 14°	15° / 7°
Rainfall	67 mm	110 mm
Rainy days	7	17
Humidity	69%	80%
Air quality (AQI)	40	38

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

Lyon vs Val d'Isère in September — FAQ

Is September better in Lyon or Val d'Isère?: Lyon is the better pick in September — 93 vs 27 on SeasonMap's comfort score. Lyon is warm, a little rain, clean air, while Val d'Isère is cool, rainy, clean air.
What is the weather like in Lyon vs Val d'Isère in September?: In September, Lyon averages 25°C high / 14°C low with about 67 mm of rain; Val d'Isère averages 15°C high / 7°C low with about 110 mm.