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

In September, Lyon averages 25°C high / 14°C low with about 67 mm of rain; Nantes averages 23°C high / 12°C low with about 58 mm.

Lyon vs Nantes in September

Lyon is the better pick in September — 93 vs 89 on SeasonMap's comfort score. Lyon is warm, a little rain, clean air, while Nantes is nice, a little rain, clean air.

Lyon vs Nantes — September climate, side by side

	🇫🇷 Lyon	🇫🇷 Nantes
Comfort score	93/100 (S)	89/100 (A)
Feels-like high	24°C	22°C
Avg high / low	25° / 14°	23° / 12°
Rainfall	67 mm	58 mm
Rainy days	7	9
Humidity	69%	74%
Air quality (AQI)	40	35

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

Month by month

Lyon 🇫🇷 Francewarm, a little rain, clean air · best September93
Nantes 🇫🇷 Francenice, a little rain, clean air · best June89

Lyon vs Nantes in September — FAQ

Is September better in Lyon or Nantes?: Lyon is the better pick in September — 93 vs 89 on SeasonMap's comfort score. Lyon is warm, a little rain, clean air, while Nantes is nice, a little rain, clean air.
What is the weather like in Lyon vs Nantes in September?: In September, Lyon averages 25°C high / 14°C low with about 67 mm of rain; Nantes averages 23°C high / 12°C low with about 58 mm.