Dover weather in September 2026

Expect daytime maximum temperatures of 18°C in Dover, England in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 73 mm of rainfall in the month.

  • 18°C maximum daytime temperature in September in Dover18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in September in Dover11
    11 days with some rainfall
  • 11°C minimum night-time temperature in September in Dover11
    11°C min night temperature
  • 13 hours of daylight per day in September in Dover13
    13 hours of daylight per day
  • No heat & humidity in September in Dover0
    No heat & humidity
  • 73 mm monthly rainfall in September in Dover73
    73 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Dover4
    4 (Moderate) UV index
  • 17°C sea temperature in September in Dover17
    17°C sea temperature

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The September weather guide for England (Dover) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about England

How hot is it in Dover in September?

Daytime temperatures usually reach 19°C in Dover in September, falling to 11°C at night.

How sunny is it in Dover in September?

There are normally 5 hours of bright sunshine each day in Dover in September - that's 37% of daylight hours.

Does it rain in Dover in September?

There are usually 11 days with some rain in Dover in September and the average monthly rainfall is 55mm.

Dover September sunrise & sunset times

Browse the sunrise and sunset times for Dover in September 2026. Select a month to view Dover sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 05:08 18:41
Tuesday, 15th September 2026 05:30 18:09
Wednesday, 30th September 2026 05:53 17:35

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