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

In September, Barcelona averages 27°C high / 21°C low with about 76 mm of rain; Reykjavík averages 11°C high / 6°C low with about 133 mm.

Barcelona vs Reykjavík in September

Barcelona is the better pick in September — 84 vs 68 on SeasonMap's comfort score. Barcelona is warm, a little rain, clean air, while Reykjavík is cold, rainy, clean air.

Barcelona vs Reykjavík — September climate, side by side

	🇪🇸 Barcelona	🇮🇸 Reykjavík
Comfort score	84/100 (A)	68/100 (C)
Feels-like high	28°C	8°C
Avg high / low	27° / 21°	11° / 6°
Rainfall	76 mm	133 mm
Rainy days	5	18
Humidity	78%	85%
Air quality (AQI)	48	32

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

Month by month

Barcelona vs Reykjavík in September — FAQ

Is September better in Barcelona or Reykjavík?: Barcelona is the better pick in September — 84 vs 68 on SeasonMap's comfort score. Barcelona is warm, a little rain, clean air, while Reykjavík is cold, rainy, clean air.
What is the weather like in Barcelona vs Reykjavík in September?: In September, Barcelona averages 27°C high / 21°C low with about 76 mm of rain; Reykjavík averages 11°C high / 6°C low with about 133 mm.