Niger weather in September 2025

Expect 35°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Niger in September. Check more long-term weather averages for Niger in September before you book your next holiday to Niger in 2025/2026.

  • 35°C maximum daytime temperature in September in Niger (Niamey)35
    35°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in September in Niger (Niamey)10
    10 days with some rainfall
  • 24°C minimum night-time temperature in September in Niger (Niamey)24
    24°C min night temperature
  • 12 hours of daylight per day in September in Niger (Niamey)12
    12 hours of daylight per day
  • Very high heat & humidity in September in Niger (Niamey)VH
    Very High heat & humidity
  • 90 mm monthly rainfall in September in Niger (Niamey)90
    90 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Niger (Niamey)11
    11+ (Extreme) UV index

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The September weather guide for Niger (Niamey) 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 Niger destinations

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

All Niger destinations

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

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How hot is it in Niger in September?

Daytime temperatures usually reach 35°C in Niamey, Niger in September with very high heat and humidity, falling to 24°C at night.

How sunny is it in Niger in September?

There are normally 8 hours of bright sunshine each day in Niamey, Niger in September - that's 63% of daylight hours.

Does it rain in Niger in September?

There are usually 10 days with some rain in Niamey, Niger in September and the average monthly rainfall is 90mm.

Niger September sunrise & sunset times

Browse the sunrise and sunset times for Niger in September 2025. Select a month to view Niger sunrise and sunset times for the next 12 months. The Niger sunrise and sunset times shown below are for Niamey.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:40 19:03
Monday, 15th September 2025 06:41 18:53
Tuesday, 30th September 2025 06:41 18:42

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