What is the weather like in Bilbao vs Madrid in September?

In September, Bilbao averages 26°C high / 15°C low with about 93 mm of rain; Madrid averages 27°C high / 16°C low with about 29 mm.

Bilbao vs Madrid in September

Madrid is the better pick in September — 92 vs 86 on SeasonMap's comfort score. Madrid is warm, dry, clean air, while Bilbao is warm, rainy, clean air.

Bilbao vs Madrid — September climate, side by side

	🇪🇸 Bilbao	🇪🇸 Madrid
Comfort score	86/100 (A)	92/100 (S)
Feels-like high	26°C	26°C
Avg high / low	26° / 15°	27° / 16°
Rainfall	93 mm	29 mm
Rainy days	10	3
Humidity	79%	49%
Air quality (AQI)	39	46

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

Month by month

Bilbao 🇪🇸 Spainwarm, rainy, clean air · best June86
Madrid 🇪🇸 Spainwarm, dry, clean air · best May92

Bilbao vs Madrid in September — FAQ

Is September better in Bilbao or Madrid?: Madrid is the better pick in September — 92 vs 86 on SeasonMap's comfort score. Madrid is warm, dry, clean air, while Bilbao is warm, rainy, clean air.
What is the weather like in Bilbao vs Madrid in September?: In September, Bilbao averages 26°C high / 15°C low with about 93 mm of rain; Madrid averages 27°C high / 16°C low with about 29 mm.