ClimateAverages

London Weather in September

JanFebMarAprMayJunJulAugSepOctNovDec
Right now
32°C
Sunny · feels like 32°C
Humidity
34%
Wind
7 kph W
UV
6.8
Rain
0%
Updated Jul 9, 12:45 PMWeather data by WeatherAPI.com
September daytime high
18.4°C
September overnight low
10.4°C
September average
14.2°C

In September, London typically sees daytime highs of 18.4°C and overnight lows around 10.4°C. Compared to the annual average high of 13.6°C, September runs +4.8°C.

vs. annual avg high
+4.8°C
Rank among 12 months
#4 warmest
Hottest year overall
2006

Where September ranks in London

JanFebMarAprMayJunJulAugSep18°OctNovDec

FAQ

What is the average temperature in London in September?

September in London averages a daytime high of 18.4°C and an overnight low of 10.4°C.

Is September warm or cold in London?

September runs +4.8°C compared to London's annual average high of 13.6°C, ranking #4 of 12 months by warmth.

What should I pack for London in September?

Plan for daytime highs near 18.4°C and cooler evenings around 10.4°C.

Other months for London

JanuaryFebruaryMarchAprilMayJuneJulyAugustOctoberNovemberDecember

September in nearby cities

WashingtonCity of LondonBirminghamLiverpoolLeedsSheffieldBristolManchesterLeicesterIslingtonCoventryHull