What is the weather like in Barcelona vs Oslo in September?

In September, Barcelona averages 27°C high / 21°C low with about 76 mm of rain; Oslo averages 18°C high / 10°C low with about 93 mm.

Barcelona vs Oslo in September

Barcelona is the better pick in September — 84 vs 74 on SeasonMap's comfort score. Barcelona is warm, a little rain, clean air, while Oslo is nice, rainy, clean air.

Barcelona vs Oslo — September climate, side by side

	🇪🇸 Barcelona	🇳🇴 Oslo
Comfort score	84/100 (A)	74/100 (B)
Feels-like high	28°C	16°C
Avg high / low	27° / 21°	18° / 10°
Rainfall	76 mm	93 mm
Rainy days	5	10
Humidity	78%	82%
Air quality (AQI)	48	38

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

Month by month

Barcelona 🇪🇸 Spainwarm, a little rain, clean air · best May84
Oslo 🇳🇴 Norwaynice, rainy, clean air · best July74

Barcelona vs Oslo in September — FAQ

Is September better in Barcelona or Oslo?: Barcelona is the better pick in September — 84 vs 74 on SeasonMap's comfort score. Barcelona is warm, a little rain, clean air, while Oslo is nice, rainy, clean air.
What is the weather like in Barcelona vs Oslo in September?: In September, Barcelona averages 27°C high / 21°C low with about 76 mm of rain; Oslo averages 18°C high / 10°C low with about 93 mm.