Portsmouth weather in September 2020

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  • 18°C maximum daytime temperature in September in Portsmouth18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in September in Portsmouth11
    11 days with some rainfall
  • 12°C minimum night-time temperature in September in Portsmouth12
    12°C min night temperature
  • 13 hours of daylight per day in September in Portsmouth13
    13 hours of daylight per day
  • No heat & humidity in September in Portsmouth0
    No heat & humidity
  • 63 mm monthly rainfall in September in Portsmouth63
    63 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Portsmouth4
    4 (Moderate) UV index
  • 17°C sea temperature in September in Portsmouth17
    17°C sea temperature
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The September weather guide for Portsmouth, England 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.

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How hot is it in Portsmouth in September?

Daytime temperatures usually reach 18°C in Portsmouth in September, falling to 12°C at night.

How sunny is it in Portsmouth in September?

There are normally 5 hours of bright sunshine each day in Portsmouth in September - that's 43% of daylight hours.

How warm is the sea around Portsmouth in September?

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

Does it rain in Portsmouth in September?

There are usually 11 days with some rain in Portsmouth in September and the average monthly rainfall is 63mm.

Portsmouth sunrise & sunset times for September 2020

Browse the sunrise & sunset times for Portsmouth in September 2020. Select a month to view Portsmouth sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Tuesday, 1st September 2020 06:19 19:49
Tuesday, 15th September 2020 06:40 19:17
Wednesday, 30th September 2020 07:04 18:44
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in England in September for 2020/2021?

Below are average maximum temperatures at popular destinations in England in September. Select a destination to see more weather parameters.

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