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Temperatures in September
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The United Kingdom temperatures in September

September in the United Kingdom has maximum daytime temperatures ranging from moderate in Lerwick with 14°C to pleasant temperatures in Peterborough with 20°C. Nighttime temperatures generally drop to 11°C in Peterborough and 11°C in Lerwick.

What is the temperature of the different cities in the United Kingdom in September?

To get a sense of September's typical temperatures in the key spots of the United Kingdom, explore the map below. Click on a point for an in-depth look.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • What is the warmest city in September in the United Kingdom?
    • From a thorough analysis of our records, Peterborough clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 20°C, and evenings that remain near 11°C.

  • What is the coldest city in September in the United Kingdom?
    • The coldest city in September in the United Kingdom is Lerwick when we check our database. The maximum daytime temperatures are around 14°C and minimum nighttime temperatures fall around 11°C.

  • How much sun does the United Kingdom get in September?
    • Most areas experience a moderate amount of sunshine, with approximately 155 hours of sunlight expected in London. This makes it neither too gloomy nor overly bright.

  • What is the water's temperature in September?
    • The water temperature averages approximately 18°C in Brighton & Hove this month, so still a bit cool to swim but some enjoy a chilly dive.

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