Freetown weather in September 2025

Expect daytime maximum temperatures of 28°C in Freetown in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 24 days with some rainfall and typically 507 mm of rainfall in the month.

  • 28°C maximum daytime temperature in September in Freetown28
    28°C max day temperature
  • 4 hours of sunshine per day
  • 24 days with some rainfall in September in Freetown24
    24 days with some rainfall
  • 22°C minimum night-time temperature in September in Freetown22
    22°C min night temperature
  • 12 hours of daylight per day in September in Freetown12
    12 hours of daylight per day
  • Moderate heat & humidity in September in FreetownM
    Moderate heat & humidity
  • 507 mm monthly rainfall in September in Freetown507
    507 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Freetown11
    11+ (Extreme) UV index
  • 27°C sea temperature in September in Freetown27
    27°C sea temperature

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The September weather guide for Sierra Leone (Freetown) 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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How hot is it in Freetown in September?

Daytime temperatures usually reach 28°C in Freetown in September with moderate heat and humidity, falling to 22°C at night.

How sunny is it in Freetown in September?

There are normally 4 hours of bright sunshine each day in Freetown in September - that's 34% of daylight hours.

How warm is the sea around Freetown in September?

The average sea temperature around Freetown in September is 27°C.

Does it rain in Freetown in September?

There are usually 24 days with some rain in Freetown in September and the average monthly rainfall is 507mm.

Freetown September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:45 19:01
Monday, 15th September 2025 06:43 18:53
Tuesday, 30th September 2025 06:41 18:44

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