Weather in September in London, England

< September >
	Normal Max/ High Temperature	19°C (66°F)
	Average Temperature	15°C (59°F)
	Min/ Low Temperature	11°C (52°F)
	Normal Precipitation	50mm (2in)
	Number of Wet Days (probability of rain on a day)	13 (43%)
	Average Sunlight per day	04h 25'
	Average Daylight per day	12h 35'
	Sunny (Cloudy) Daylight Hours	36% (64%)
	Sun altitude at solar noon on the 21st day.	39.2°

• The average temperature in London, England in September is mild at 15 °C (59 °F).
• Afternoons can be somewhat warm with average high temperatures reaching 19 °C (66.2 °F).
• Overnight temperatures are generally quite mild with an average low of 11 °C (51.8 °F).
• In September the average daily temperature range/ variation is 8 °C (14.4 °F).
• Precipitation averages for September are moderate with 50mm (2 in) recorded across 13 days.
• In September the blue above London, England is a little dull having on balance a modest 4h 25' of resplendent solar radiation per day.
• The shortest day is 11h 36' long and the longest day is 13h 33' long with an average length of 12h 35'.
• There are approximately 7h 56' per day when the sun is occluded by cloud, haze, fog etc.
• It is sunny approximately 35.7% of daylight hours and cloudy 64.3% of daylight hours.

Weather Trend Graph for September in London, England, Uk