Franceville weather in September 2025

Expect 29°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Franceville in September. Check more long-term weather averages for Franceville in September before you book your next holiday to Gabon in 2025/2026.

  • 29°C maximum daytime temperature in September in Franceville29
    29°C max day temperature
  • 4 hours of sunshine per day
  • 10 days with some rainfall in September in Franceville10
    10 days with some rainfall
  • 21°C minimum night-time temperature in September in Franceville21
    21°C min night temperature
  • 12 hours of daylight per day in September in Franceville12
    12 hours of daylight per day
  • High heat & humidity in September in FrancevilleH
    High heat & humidity
  • 100 mm monthly rainfall in September in Franceville100
    100 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Franceville11
    11+ (Extreme) UV index

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The September weather guide for Gabon (Franceville) 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 Franceville in September?

Daytime temperatures usually reach 29°C in Franceville in September with high heat and humidity, falling to 21°C at night.

How sunny is it in Franceville in September?

There are normally 4 hours of bright sunshine each day in Franceville in September - that's 31% of daylight hours.

Does it rain in Franceville in September?

There are usually 10 days with some rain in Franceville in September and the average monthly rainfall is 100mm.

Franceville September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:03 18:08
Monday, 15th September 2025 05:58 18:04
Tuesday, 30th September 2025 05:52 17:59

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