What is the weather like in Chamonix vs Paris in September?

In September, Chamonix averages 19°C high / 10°C low with about 130 mm of rain; Paris averages 23°C high / 12°C low with about 55 mm.

Chamonix vs Paris in September

Paris is the better pick in September — 88 vs 21 on SeasonMap's comfort score. Paris is nice, a little rain, clean air, while Chamonix is nice, rainy, clean air.

Chamonix vs Paris — September climate, side by side

	Chamonix	Paris
Comfort score	21/100 (F)	88/100 (A)
Feels-like high	19°C	22°C
Avg high / low	19° / 10°	23° / 12°
Rainfall	130 mm	55 mm
Rainy days	16	10
Humidity	82%	72%
Air quality (AQI)	37	42

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

Chamonix vs Paris in September — FAQ

Is September better in Chamonix or Paris?: Paris is the better pick in September — 88 vs 21 on SeasonMap's comfort score. Paris is nice, a little rain, clean air, while Chamonix is nice, rainy, clean air.
What is the weather like in Chamonix vs Paris in September?: In September, Chamonix averages 19°C high / 10°C low with about 130 mm of rain; Paris averages 23°C high / 12°C low with about 55 mm.