Palau weather in September 2025

Q: 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.

Q: 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.

Q: How warm is the sea around Palau in September?

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

Q: 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.

Q: 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.

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
31°C max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
24
24°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
316
316 mm of monthly rainfall
11
11+ (Extreme) UV index
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.

31
Koror
31
Peleliu

All Palau destinations

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

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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Palau - quick facts
Time difference	UK +9 hours
Language(s)	Palauan, English
Currency	United States Dollar
Electricity	A + B plug (120V)
Driving side	Right
Why visit?	Beaches Nature
Tourist info	Palau Visitors Authority