Weather in London in September
The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.
Climate Overview
September is an excellent time to visit London. London has a Moderate climate with average yearly highs of 20°C, lows of 11°C, and approximately 6 rainy days per month.
20°C
11°C
6days
12.8h
Is September a good time to visit London?
The weather is near-perfect with ideal temperatures and minimal rain.
Daylight
6:34 AM
7:20 PM
Weather by Month
| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 9°C | 4°C | 12 | Good |
| February | 10°C | 4°C | 15 | Wet |
| March | 11°C | 3°C | 10 | Good |
| April | 17°C | 6°C | 5 | Good |
| May | 19°C | 8°C | 1 | Excellent (best) |
| June | 20°C | 12°C | 18 | Excellent (best) |
| July | 22°C | 13°C | 10 | Good |
| August | 23°C | 15°C | 11 | Good |
| September | 20°C | 11°C | 6 | Excellent (best) |
| October | 14°C | 8°C | 20 | Wet |
| November | 12°C | 6°C | 10 | Good |
| December | 8°C | 3°C | 13 | Wet |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
What to Pack for September
Layers, a light jacket, comfortable walking shoes, and an umbrella.
Planning a trip to London?
Common Questions
Is September a good time to visit London? +
September is typically Excellent for visiting London, with average highs of 20°C and around 6 rainy days.
What should I pack for London in September? +
With highs of 20°C and lows of 11°C in {month}, we recommend: Layers, a light jacket, comfortable walking shoes, and an umbrella.
Does it rain a lot in London in September? +
London typically sees around 6 rainy days in September.
How many hours of daylight are there in London in September? +
In September, London gets approximately 12.8 hours of daylight per day.
Is September peak season in London? +
Yes, September is peak season in London. Expect higher prices and more crowds, but also the best weather.
What is the best month to visit London? +
The best months to visit London are May, June, September, when the weather is optimal for sightseeing.