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

In September, Bordeaux averages 26°C high / 13°C low with about 59 mm of rain; Chamonix averages 19°C high / 10°C low with about 130 mm.

Bordeaux vs Chamonix in September

Bordeaux is the better pick in September — 92 vs 21 on SeasonMap's comfort score. Bordeaux is warm, a little rain, clean air, while Chamonix is nice, rainy, clean air.

Bordeaux vs Chamonix — September climate, side by side

	Bordeaux	Chamonix
Comfort score	92/100 (S)	21/100 (F)
Feels-like high	26°C	19°C
Avg high / low	26° / 13°	19° / 10°
Rainfall	59 mm	130 mm
Rainy days	9	16
Humidity	69%	82%
Air quality (AQI)	35	37

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

Bordeaux vs Chamonix in September — FAQ

Is September better in Bordeaux or Chamonix?: Bordeaux is the better pick in September — 92 vs 21 on SeasonMap's comfort score. Bordeaux is warm, a little rain, clean air, while Chamonix is nice, rainy, clean air.
What is the weather like in Bordeaux vs Chamonix in September?: In September, Bordeaux averages 26°C high / 13°C low with about 59 mm of rain; Chamonix averages 19°C high / 10°C low with about 130 mm.