Palau weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Palau in September. Check more long-term weather averages for Palau in September before you book your next holiday to Palau in 2025/2026.

  • 31°C maximum daytime temperature in September in Palau (Koror)31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in September in Palau (Koror)16
    16 days with some rainfall
  • 24°C minimum night-time temperature in September in Palau (Koror)24
    24°C min night temperature
  • 12 hours of daylight per day in September in Palau (Koror)12
    12 hours of daylight per day
  • Very high heat & humidity in September in Palau (Koror)VH
    Very High heat & humidity
  • 316 mm monthly rainfall in September in Palau (Koror)316
    316 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Palau (Koror)11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Palau (Koror)29
    29°C sea temperature

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The September weather guide for Palau (Koror) 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 Palau destinations

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

All Palau destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Palau in September?

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

How sunny is it in Palau in September?

There are normally 6 hours of bright sunshine each day in Koror, Palau in September - that's 53% of daylight hours.

How warm is the sea around Palau in September?

The average sea temperature around Koror, Palau in September is 29°C.

Does it rain in Palau in September?

There are usually 16 days with some rain in Koror, Palau in September and the average monthly rainfall is 316mm.

What is the chance of a typhoon in Palau in September?

On average less than 1 day in September in Koror, Palau is likely to be affected by the passage of one or more tropical storms.

Palau September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:54 18:10
Monday, 15th September 2025 05:52 18:02
Tuesday, 30th September 2025 05:50 17:54

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