Bognor Regis weather in September 2025

Expect 18°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Bognor Regis in September. Check more long-term weather averages for Bognor Regis in September before you book your next holiday to England in 2025/2026.

  • 18°C maximum daytime temperature in September in Bognor Regis18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in September in Bognor Regis11
    11 days with some rainfall
  • 11°C minimum night-time temperature in September in Bognor Regis11
    11°C min night temperature
  • 13 hours of daylight per day in September in Bognor Regis13
    13 hours of daylight per day
  • No heat & humidity in September in Bognor Regis0
    No heat & humidity
  • 65 mm monthly rainfall in September in Bognor Regis65
    65 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Bognor Regis4
    4 (Moderate) UV index
  • 17°C sea temperature in September in Bognor Regis17
    17°C sea temperature

More about Bognor Regis

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The September weather guide for England (Bognor Regis) 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 Bognor Regis in September?

Daytime temperatures usually reach 18°C in Bognor Regis in September, falling to 11°C at night.

How sunny is it in Bognor Regis in September?

There are normally 6 hours of bright sunshine each day in Bognor Regis in September - that's 44% of daylight hours.

How warm is the sea around Bognor Regis in September?

The average sea temperature around Bognor Regis in September is 17°C.

Does it rain in Bognor Regis in September?

There are usually 11 days with some rain in Bognor Regis in September and the average monthly rainfall is 65mm.

Bognor Regis September sunrise & sunset times

Browse the sunrise and sunset times for Bognor Regis in September 2025. Select a month to view Bognor Regis sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:17 18:48
Monday, 15th September 2025 05:38 18:16
Tuesday, 30th September 2025 06:02 17:43

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