Koidu weather in September 2026

Expect daytime maximum temperatures of 29°C in Koidu, Sierra Leone in September and high heat and humidity based on long-term weather averages. There are 4 hours of sunshine per day on average with 25 days with some rainfall and typically 386 mm of rainfall in the month.

  • 29°C maximum daytime temperature in September in Koidu29
    29°C max day temperature
  • 4 hours of sunshine per day
  • 25 days with some rainfall in September in Koidu25
    25 days with some rainfall
  • 20°C minimum night-time temperature in September in Koidu20
    20°C min night temperature
  • 12 hours of daylight per day in September in Koidu12
    12 hours of daylight per day
  • High heat & humidity in September in KoiduH
    High heat & humidity
  • 386 mm monthly rainfall in September in Koidu386
    386 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Koidu11
    11+ (Extreme) UV index

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The September weather guide for Sierra Leone (Koidu) 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 Koidu in September?

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

How sunny is it in Koidu in September?

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

How warm is the sea around Koidu in September?

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

Does it rain in Koidu in September?

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

Koidu September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 06:36 18:52
Tuesday, 15th September 2026 06:34 18:44
Wednesday, 30th September 2026 06:32 18:35

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