Nauru weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Nauru in September. Check more long-term weather averages for Nauru in September before you book your next holiday to Nauru in 2025/2026.

  • 31°C maximum daytime temperature in September in Nauru31
    31°C max day temperature
  • 21 days with some rainfall in September in Nauru21
    21 days with some rainfall
  • 24°C minimum night-time temperature in September in Nauru24
    24°C min night temperature
  • 12 hours of daylight per day in September in Nauru12
    12 hours of daylight per day
  • Very high heat & humidity in September in NauruVH
    Very High heat & humidity
  • 162 mm monthly rainfall in September in Nauru162
    162 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Nauru11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Nauru29
    29°C sea temperature

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The September weather guide for Nauru 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 Nauru in September?

Daytime temperatures usually reach 31°C in Nauru in September with very high heat and humidity, falling to 24°C at night.

How warm is the sea around Nauru in September?

The average sea temperature around Nauru in September is 29°C.

Does it rain in Nauru in September?

There are usually 21 days with some rain in Nauru in September and the average monthly rainfall is 162mm.

Nauru September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:49 18:55
Monday, 15th September 2025 06:45 18:51
Tuesday, 30th September 2025 06:39 18:46

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