What is the weather like in San Sebastián vs Santander in September?

In September, San Sebastián averages 23°C high / 17°C low with about 133 mm of rain; Santander averages 22°C high / 16°C low with about 111 mm.

San Sebastián vs Santander in September

San Sebastián and Santander are nearly tied in September — 83 vs 84 on SeasonMap's comfort score. San Sebastián is warm, rainy, clean air; Santander is nice, rainy, clean air.

San Sebastián vs Santander — September climate, side by side

	🇪🇸 San Sebastián	🇪🇸 Santander
Comfort score	83/100 (A)	84/100 (A)
Feels-like high	24°C	22°C
Avg high / low	23° / 17°	22° / 16°
Rainfall	133 mm	111 mm
Rainy days	11	10
Humidity	79%	81%
Air quality (AQI)	39	48

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

Month by month

San Sebastián vs Santander in September — FAQ

Is September better in San Sebastián or Santander?: San Sebastián and Santander are nearly tied in September — 83 vs 84 on SeasonMap's comfort score. San Sebastián is warm, rainy, clean air; Santander is nice, rainy, clean air.
What is the weather like in San Sebastián vs Santander in September?: In September, San Sebastián averages 23°C high / 17°C low with about 133 mm of rain; Santander averages 22°C high / 16°C low with about 111 mm.