Mamanuca Islands weather in September 2025

Expect 82°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Mamanuca Islands in September. Check more long-term weather averages for Mamanuca Islands in September before you book your next holiday to Fiji in 2025/2026.

  • 82°F maximum daytime temperature in September in Mamanuca Islands82
    82°F max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in September in Mamanuca Islands17
    17 days with some rainfall
  • 70°F minimum night-time temperature in September in Mamanuca Islands70
    70°F min night temperature
  • 12 hours of daylight per day in September in Mamanuca Islands12
    12 hours of daylight per day
  • Low heat & humidity in September in Mamanuca IslandsL
    Low heat & humidity
  • 3.2 inches monthly rainfall in September in Mamanuca Islands3.2
    3.2 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Mamanuca Islands11
    11 (Extreme) UV index
  • 79°F sea temperature in September in Mamanuca Islands79
    79°F sea temperature

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The September weather guide for Fiji (Mamanuca Islands) 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 Mamanuca Islands in September?

Daytime temperatures usually reach 82°F in Mamanuca Islands in September with low heat and humidity, falling to 70°F at night.

How sunny is it in Mamanuca Islands in September?

There are normally 7 hours of bright sunshine each day in Mamanuca Islands in September - that's 54% of daylight hours.

How warm is the sea around Mamanuca Islands in September?

The average sea temperature around Mamanuca Islands in September is 79°F.

Does it rain in Mamanuca Islands in September?

There are usually 17 days with some rain in Mamanuca Islands in September and the average monthly rainfall is 3.2 inches.

Mamanuca Islands September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:19 18:04
Monday, 15th September 2025 06:07 18:06
Tuesday, 30th September 2025 05:55 18:09

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