Weather in London in september
Climate normals based on 10 years of historical data for London, Canada.
Average high
23°C
Average low
13°C
Rainfall
73 mm
10 rainy days
Sunshine
4.0h/day
Luftfuktighet
75%
How Hot Is London in september?
Indian summer territory: London averages 23°C peak, 13°C low, in September.
Sunshine Hours in september
September delivers about 4.0h of sun in London — a mix of sunny stretches and cloudy ones.
Does It Rain In London In september?
Rain interrupts most days in London: 73mm in 10 days.
Is London Humid In september?
London feels muggy this month with humidity around 75%, especially in calm air.
Wind In London In september
Light breezes typical: London averages 19 kph wind in September.
Cloud Cover In London In september
Cloudy skies dominate London in September — averaging 60% cloud cover.
Cities With Similar Weather In september
Weather in London, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vær i januar | -1°C / -8°C | 83mm | Details → |
| Vær i februar | 0°C / -8°C | 74mm | Details → |
| Vær i mars | 5°C / -3°C | 87mm | Details → |
| Vær i april | 11°C / 2°C | 106mm | Details → |
| Vær i mai | 19°C / 9°C | 81mm | Details → |
| Vær i juni | 24°C / 14°C | 111mm | Details → |
| Vær i juli | 26°C / 16°C | 109mm | Details → |
| Vær i august | 25°C / 16°C | 107mm | Details → |
| Vær i september | 23°C / 13°C | 73mm | |
| Vær i oktober | 15°C / 7°C | 106mm | Details → |
| Vær i november | 7°C / 1°C | 80mm | Details → |
| Vær i desember | 2°C / -3°C | 84mm | Details → |