London Weather In September

By: Loan Budy

Early September in London you will likely experience comfortable daytime temperatures near 21-22 C (70 F) with a couple of the warmer afternoons reaching up into the upper 25-26 C (70s F). Towards the end of this month, however, daytime highs trend cooler, averaging only 17-18 C (mid-lower 60s F).

Late night and early morning low temperatures tend to average 13-14 C (in the mid-upper 50s F) early in September, falling to 11-12 C (the low-mid 50s F) towards the end of the month.

Expect pleasant temperatures into the low twenties (celsius) – that’s about 70 degrees Fahrenheit. As the month draws to a close however there is a distinct autumn vibe, and the daytime average temperature in London in September will drop to around 18 degrees celsius (maximum mid 60s Fahrenheit).

. At the beginning of month the temperatures will still get into the early twenties (celsius). Towards the end of the month however it begins to cool down, and you can expert temperatures to be around 17 degrees celsius during the day.

. In late September, things get colder, with temperatures falling to the low-mid 50s during the day and into the mid-upper 40s in the early mornings and evenings. The good news is that September is a dry month, so no rain showers will prevent you from exploring London on foot or force you to find indoor activities..

. The weather is warmest in summer and it is hands down the best climate to visit London. This is also when the city hosts numerous events and you can feel the vibrant buzz of the city during these months. September to October is a much under-appreciated time to visit London. This is the next best season to visit London.

The month of September in London experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 47% to 53%.

CLOUD

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In London, the chance of a wet day over the course of September is increasing, starting the month at 22% and ending it at 27%.

LABEL

precipitation

The shortest day of the month is September 30, with 11 hours, 41 minutes of daylight and the longest day is September 1, with 13 hours, 34 minutes of daylight.

SUN

The average sliding 31-day rainfall during September in London is gradually increasing, starting the month at 1.5 inches, when it rarely exceeds 2.8 inches or falls below 0.4 inches, and ending the month at 1.9 inches, when it rarely exceeds 3.5 inches or falls below 0.5 inches.

Rainfall

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