What is the weather like in Biarritz vs Lyon in September?

In September, Biarritz averages 24°C high / 16°C low with about 103 mm of rain; Lyon averages 25°C high / 14°C low with about 67 mm.

Biarritz vs Lyon in September

Lyon is the better pick in September — 93 vs 85 on SeasonMap's comfort score. Lyon is warm, a little rain, clean air, while Biarritz is warm, rainy, clean air.

Biarritz vs Lyon — September climate, side by side

	🇫🇷 Biarritz	🇫🇷 Lyon
Comfort score	85/100 (A)	93/100 (S)
Feels-like high	24°C	24°C
Avg high / low	24° / 16°	25° / 14°
Rainfall	103 mm	67 mm
Rainy days	12	7
Humidity	79%	69%
Air quality (AQI)	43	40

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

Month by month

Biarritz 🇫🇷 Francewarm, rainy, clean air · best July85
Lyon 🇫🇷 Francewarm, a little rain, clean air · best September93

Biarritz vs Lyon in September — FAQ

Is September better in Biarritz or Lyon?: Lyon is the better pick in September — 93 vs 85 on SeasonMap's comfort score. Lyon is warm, a little rain, clean air, while Biarritz is warm, rainy, clean air.
What is the weather like in Biarritz vs Lyon in September?: In September, Biarritz averages 24°C high / 16°C low with about 103 mm of rain; Lyon averages 25°C high / 14°C low with about 67 mm.