Marshall Islands weather in September 2025

Expect daytime maximum temperatures of 86°F in Marshall Islands in September and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 18 days with some rainfall and typically 11.5 inches of rainfall in the month.

  • 86°F maximum daytime temperature in September in Marshall Islands (Majuro)86
    86°F max day temperature
  • 7 hours of sunshine per day
  • 18 days with some rainfall in September in Marshall Islands (Majuro)18
    18 days with some rainfall
  • 77°F minimum night-time temperature in September in Marshall Islands (Majuro)77
    77°F min night temperature
  • 12 hours of daylight per day in September in Marshall Islands (Majuro)12
    12 hours of daylight per day
  • High heat & humidity in September in Marshall Islands (Majuro)H
    High heat & humidity
  • 11.5 inches monthly rainfall in September in Marshall Islands (Majuro)11.5
    11.5 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Marshall Islands (Majuro)11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Marshall Islands (Majuro)84
    84°F sea temperature

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The September weather guide for Marshall Islands (Majuro) 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 Marshall Islands destinations

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

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Metric (°C)  |  Imperial (°F)

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How hot is it in the Marshall Islands in September?

Daytime temperatures usually reach 86°F in Majuro, Marshall Islands in September with high heat and humidity, falling to 77°F at night.

How sunny is it in the Marshall Islands in September?

There are normally 7 hours of bright sunshine each day in Majuro, Marshall Islands in September - that's 59% of daylight hours.

How warm is the sea around the Marshall Islands in September?

The average sea temperature around Majuro, Marshall Islands in September is 84°F.

Does it rain in the Marshall Islands in September?

There are usually 18 days with some rain in Majuro, Marshall Islands in September and the average monthly rainfall is 11.5 inches.

Marshall Islands September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:27 18:42
Monday, 15th September 2025 06:25 18:34
Tuesday, 30th September 2025 06:23 18:26

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