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

In September, London averages 21°C high / 12°C low with about 56 mm of rain; Reykjavík averages 11°C high / 6°C low with about 133 mm.

London vs Reykjavík in September

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

London vs Reykjavík — September climate, side by side

	London	Reykjavík
Comfort score	84/100 (A)	68/100 (C)
Feels-like high	19°C	8°C
Avg high / low	21° / 12°	11° / 6°
Rainfall	56 mm	133 mm
Rainy days	11	18
Humidity	78%	85%
Air quality (AQI)	46	32

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

London vs Reykjavík in September — FAQ

Is September better in London or Reykjavík?: London is the better pick in September — 84 vs 68 on SeasonMap's comfort score. London is nice, a little rain, clean air, while Reykjavík is cold, rainy, clean air.
What is the weather like in London vs Reykjavík in September?: In September, London averages 21°C high / 12°C low with about 56 mm of rain; Reykjavík averages 11°C high / 6°C low with about 133 mm.