Typical Weather in London, United Kingdom in September

66° F Avg High

52° F Avg Low

6 Rainy Days

☀️ Temperature Summary

Highs in September are typically around 66°F, which is warmer than usual in London. You can expect overnight lows near 52°F most days. Daily high temperatures can range between 68°F and 63°F for the month of September.

September is a great time to visit London, with mild temperatures and sunny days being very common.

High Temps Throughout the Year

☔ Rain Summary

In September you can expect close to a 20% chance of rain for any given day. It rains less than usual in September, with total rainfall for the month typically near 2 inches.