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

In September, London averages 21°C high / 12°C low with about 56 mm of rain; Riga averages 19°C high / 8°C low with about 67 mm.

London vs Riga in September

London is the better pick in September — 84 vs 79 on SeasonMap's comfort score. London is nice, a little rain, clean air, while Riga is nice, a little rain, clean air.

London vs Riga — September climate, side by side

	London	Riga
Comfort score	84/100 (A)	79/100 (B)
Feels-like high	19°C	17°C
Avg high / low	21° / 12°	19° / 8°
Rainfall	56 mm	67 mm
Rainy days	11	11
Humidity	78%	78%
Air quality (AQI)	46	37

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

London vs Riga in September — FAQ

Is September better in London or Riga?: London is the better pick in September — 84 vs 79 on SeasonMap's comfort score. London is nice, a little rain, clean air, while Riga is nice, a little rain, clean air.
What is the weather like in London vs Riga in September?: In September, London averages 21°C high / 12°C low with about 56 mm of rain; Riga averages 19°C high / 8°C low with about 67 mm.