Gabu weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Gabu in September. Check more long-term weather averages for Gabu in September before you book your next holiday to Guinea-Bissau in 2025/2026.

  • 31°C maximum daytime temperature in September in Gabu31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in September in Gabu17
    17 days with some rainfall
  • 22°C minimum night-time temperature in September in Gabu22
    22°C min night temperature
  • 12 hours of daylight per day in September in Gabu12
    12 hours of daylight per day
  • High heat & humidity in September in GabuH
    High heat & humidity
  • 343 mm monthly rainfall in September in Gabu343
    343 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Gabu11
    11+ (Extreme) UV index

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The September weather guide for Guinea-Bissau (Gabu) 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 Gabu in September?

Daytime temperatures usually reach 31°C in Gabu in September with high heat and humidity, falling to 22°C at night.

How sunny is it in Gabu in September?

There are normally 6 hours of bright sunshine each day in Gabu in September - that's 52% of daylight hours.

Does it rain in Gabu in September?

There are usually 17 days with some rain in Gabu in September and the average monthly rainfall is 343mm.

Gabu September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:46 19:07
Monday, 15th September 2025 06:46 18:58
Tuesday, 30th September 2025 06:46 18:47

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