Porto-Novo weather in September 2025

Expect 84°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Porto-Novo in September. Check more long-term weather averages for Porto-Novo in September before you book your next holiday to Benin in 2025/2026.

  • 84°F maximum daytime temperature in September in Porto-Novo84
    84°F max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in September in Porto-Novo11
    11 days with some rainfall
  • 73°F minimum night-time temperature in September in Porto-Novo73
    73°F min night temperature
  • 12 hours of daylight per day in September in Porto-Novo12
    12 hours of daylight per day
  • High heat & humidity in September in Porto-NovoH
    High heat & humidity
  • 5.6 inches monthly rainfall in September in Porto-Novo5.6
    5.6 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Porto-Novo11
    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.

Metric (°C)  |  Imperial (°F)

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How hot is it in Porto-Novo in September?

Daytime temperatures usually reach 84°F in Porto-Novo in September with high heat and humidity, falling to 73°F at night.

How sunny is it in Porto-Novo in September?

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

Does it rain in Porto-Novo in September?

There are usually 11 days with some rain in Porto-Novo in September and the average monthly rainfall is 5.6 inches.

Porto-Novo September sunrise & sunset times

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

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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