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

In September, London averages 21°C high / 12°C low with about 56 mm of rain; Seoul averages 28°C high / 19°C low with about 148 mm.

London vs Seoul in September

London is the better pick in September — 84 vs 75 on SeasonMap's comfort score. London is nice, a little rain, clean air, while Seoul is hot, rainy, muggy air.

London vs Seoul — September climate, side by side

	London	Seoul
Comfort score	84/100 (A)	75/100 (B)
Feels-like high	19°C	30°C
Avg high / low	21° / 12°	28° / 19°
Rainfall	56 mm	148 mm
Rainy days	11	9
Humidity	78%	79%
Air quality (AQI)	46	73

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

London vs Seoul in September — FAQ

Is September better in London or Seoul?: London is the better pick in September — 84 vs 75 on SeasonMap's comfort score. London is nice, a little rain, clean air, while Seoul is hot, rainy, muggy air.
What is the weather like in London vs Seoul in September?: In September, London averages 21°C high / 12°C low with about 56 mm of rain; Seoul averages 28°C high / 19°C low with about 148 mm.