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

In September, London averages 21°C high / 12°C low with about 56 mm of rain; Shanghai averages 29°C high / 22°C low with about 168 mm.

London vs Shanghai in September

London is the better pick in September — 84 vs 61 on SeasonMap's comfort score. London is nice, a little rain, clean air, while Shanghai is hot, soaked, muggy air.

London vs Shanghai — September climate, side by side

	🇬🇧 London	🇨🇳 Shanghai
Comfort score	84/100 (A)	61/100 (C)
Feels-like high	19°C	32°C
Avg high / low	21° / 12°	29° / 22°
Rainfall	56 mm	168 mm
Rainy days	11	13
Humidity	78%	81%
Air quality (AQI)	46	94

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

Month by month

London vs Shanghai in September — FAQ

Is September better in London or Shanghai?: London is the better pick in September — 84 vs 61 on SeasonMap's comfort score. London is nice, a little rain, clean air, while Shanghai is hot, soaked, muggy air.
What is the weather like in London vs Shanghai in September?: In September, London averages 21°C high / 12°C low with about 56 mm of rain; Shanghai averages 29°C high / 22°C low with about 168 mm.