Merauke weather in September 2025

Expect 86°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Merauke in September. Check more long-term weather averages for Merauke in September before you book your next holiday to Indonesia in 2025/2026.

  • 86°F maximum daytime temperature in September in Merauke86
    86°F max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in September in Merauke7
    7 days with some rainfall
  • 68°F minimum night-time temperature in September in Merauke68
    68°F min night temperature
  • 12 hours of daylight per day in September in Merauke12
    12 hours of daylight per day
  • High heat & humidity in September in MeraukeH
    High heat & humidity
  • 1.7 inches monthly rainfall in September in Merauke1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Merauke11
    11+ (Extreme) UV index
  • 79°F sea temperature in September in Merauke79
    79°F sea temperature

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The September weather guide for Indonesia (Merauke) 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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More about Indonesia

How hot is it in Merauke in September?

Daytime temperatures usually reach 86°F in Merauke in September with high heat and humidity, falling to 68°F at night.

How sunny is it in Merauke in September?

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

How warm is the sea around Merauke in September?

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

Does it rain in Merauke in September?

There are usually 7 days with some rain in Merauke in September and the average monthly rainfall is 1.7 inches.

Merauke September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:40 17:37
Monday, 15th September 2025 05:32 17:35
Tuesday, 30th September 2025 05:23 17:34

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