Benin weather in September 2025

Expect 29°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Benin in September. Check more long-term weather averages for Benin in September before you book your next holiday to Benin in 2025/2026.

  • 29°C maximum daytime temperature in September in Benin (Porto-Novo)29
    29°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in September in Benin (Porto-Novo)11
    11 days with some rainfall
  • 23°C minimum night-time temperature in September in Benin (Porto-Novo)23
    23°C min night temperature
  • 12 hours of daylight per day in September in Benin (Porto-Novo)12
    12 hours of daylight per day
  • High heat & humidity in September in Benin (Porto-Novo)H
    High heat & humidity
  • 142 mm monthly rainfall in September in Benin (Porto-Novo)142
    142 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Benin (Porto-Novo)11
    11+ (Extreme) UV index

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The September weather guide for Benin (Porto-Novo) 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.

Top Benin destinations

Below are average maximum temperatures at popular countries, regions and places in Benin in September. Select a holiday destination to see more weather parameters.

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Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Benin in September?

Daytime temperatures usually reach 29°C in Porto-Novo, Benin in September with high heat and humidity, falling to 23°C at night.

How sunny is it in Benin in September?

There are normally 5 hours of bright sunshine each day in Porto-Novo, Benin in September - that's 40% of daylight hours.

Does it rain in Benin in September?

There are usually 11 days with some rain in Porto-Novo, Benin in September and the average monthly rainfall is 142mm.

Benin September sunrise & sunset times

Browse the sunrise and sunset times for Benin in September 2025. Select a month to view Benin sunrise and sunset times for the next 12 months. The Benin sunrise and sunset times shown below are for Porto-Novo.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:42 18:56
Monday, 15th September 2025 06:40 18:49
Tuesday, 30th September 2025 06:37 18:41

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