Koidu weather in September 2025

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 29°C in Koidu in September with high heat and humidity, falling to 20°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 35% of daylight hours.

Does it rain in Koidu in September?

There are usually 25 days with some rain in Koidu in September and the average monthly rainfall is 386mm.

Koidu September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:35 18:52
Monday, 15th September 2025 06:34 18:44
Tuesday, 30th September 2025 06:32 18:35

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