Alofi weather in September 2025

Expect daytime maximum temperatures of 26°C in Alofi, Niue in September based on long-term weather averages. There is typically138 mm of rainfall in the month.

  • 26°C maximum daytime temperature in September in Alofi26
    26°C max day temperature
  • 5 days with some rainfall in September in Alofi5
    5 days with some rainfall
  • 20°C minimum night-time temperature in September in Alofi20
    20°C min night temperature
  • 12 hours of daylight per day in September in Alofi12
    12 hours of daylight per day
  • Moderate heat & humidity in September in AlofiM
    Moderate heat & humidity
  • 138 mm monthly rainfall in September in Alofi138
    138 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Alofi11
    11 (Extreme) UV index
  • 25°C sea temperature in September in Alofi25
    25°C sea temperature

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The September weather guide for Niue, represented by Alofi, (Alofi) 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 Alofi in September?

Daytime temperatures usually reach 26°C in Alofi in September with moderate heat and humidity, falling to 20°C at night.

How warm is the sea around Alofi in September?

The average sea temperature around Alofi in September is 25°C.

Does it rain in Alofi in September?

There are usually 5 days with some rain in Alofi in September and the average monthly rainfall is 138mm.

Alofi September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:27 18:12
Monday, 15th September 2025 06:15 18:15
Tuesday, 30th September 2025 06:02 18:17

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