September weather forecast and climate
City of London, United Kingdom

The famed River Thames and the city of London in England, United Kingdom
The famed River Thames and the city of London in England, United Kingdom

Weather in September

September, the first month of the autumn, in City of London, is still a comfortable month, with average temperature fluctuating between 12.5°C (54.5°F) and 19.3°C (66.7°F).

Temperature

In City of London, the average high-temperature slightly decreases, from a pleasant 22.5°C (72.5°F) in August, to an enjoyable 19.3°C (66.7°F). In September, in City of London, the average low-temperature is 12.5°C (54.5°F).

Daylight

The average length of the day in September in City of London, United Kingdom, is 12.6h.
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FAQ

What is the average length of the day in September in City of London?

The average length of the day in September in City of London is 12.6h.

Average temperature in September
City of London, United Kingdom

Average temperature in September - City of London, United Kingdom
  • Average high temperature in September: 19.3°C

The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in September: 12.5°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is February (3.4°C).

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Average daylight in September
City of London, United Kingdom

Average daylight in September - City of London, United Kingdom
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.5h).
The month with the shortest days is December (Average daylight: 7.9h).

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