London weather in September (Greater London, United Kingdom)
You can expect very pleasant temperatures during the day in September.
The average maximum daytime temperature in London in September lies at 19.3°C (66.74°F).
The average minimum temperature goes down to around 9.7°C (49.46°F) (often the minimum temperature is noted at night).
Rainfall during September is moderate with an average of 64mm (2.5 inches). There are generally around 10 rainy days. The sun will show itself now and again, with 155 hours of sunshine during the entire month.
London, monthly averages in September
Where to stay in London
Where to go in the United Kingdom in SeptemberFind out more about the weather in the United Kingdom in September and which places have the best weather conditions in this month.
What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in London.
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