What is the weather like in Porto vs Santander in September?

In September, Porto averages 24°C high / 14°C low with about 57 mm of rain; Santander averages 22°C high / 16°C low with about 111 mm.

Porto vs Santander in September

Porto is the better pick in September — 91 vs 84 on SeasonMap's comfort score. Porto is warm, a little rain, muggy air, while Santander is nice, rainy, clean air.

Porto vs Santander — September climate, side by side

	🇵🇹 Porto	🇪🇸 Santander
Comfort score	91/100 (S)	84/100 (A)
Feels-like high	24°C	22°C
Avg high / low	24° / 14°	22° / 16°
Rainfall	57 mm	111 mm
Rainy days	7	10
Humidity	75%	81%
Air quality (AQI)	51	48

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

Month by month

Porto 🇵🇹 Portugalwarm, a little rain, muggy air · best August91
Santander 🇪🇸 Spainnice, rainy, clean air · best July84

Porto vs Santander in September — FAQ

Is September better in Porto or Santander?: Porto is the better pick in September — 91 vs 84 on SeasonMap's comfort score. Porto is warm, a little rain, muggy air, while Santander is nice, rainy, clean air.
What is the weather like in Porto vs Santander in September?: In September, Porto averages 24°C high / 14°C low with about 57 mm of rain; Santander averages 22°C high / 16°C low with about 111 mm.