Bonaire weather in September 2025

Q: How hot is it in Bonaire in September?

Daytime temperatures usually reach 32°C in Bonaire in September with very high heat and humidity, falling to 25°C at night.

Q: How sunny is it in Bonaire in September?

There are normally 8 hours of bright sunshine each day in Bonaire in September - that's 69% of daylight hours.

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

The average sea temperature around Bonaire in September is 28°C.

Q: Does it rain in Bonaire in September?

There are usually 7 days with some rain in Bonaire in September and the average monthly rainfall is 28mm.

Q: What is the chance of a hurricane in Bonaire in September?

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

Expect 32°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Bonaire in September. Check more long-term weather averages for Bonaire in September before you book your next holiday to Bonaire in 2025/2026.

32
32°C max day temperature
8
8 hours of sunshine per day
7
7 days with some rainfall
25
25°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
28
28 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

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The September weather guide for Bonaire 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 / mm) | Imperial (°F / inches)

How hot is it in Bonaire in September?

Daytime temperatures usually reach 32°C in Bonaire in September with very high heat and humidity, falling to 25°C at night.

How sunny is it in Bonaire in September?

There are normally 8 hours of bright sunshine each day in Bonaire in September - that's 69% of daylight hours.

How warm is the sea around Bonaire in September?

The average sea temperature around Bonaire in September is 28°C.

Does it rain in Bonaire in September?

There are usually 7 days with some rain in Bonaire in September and the average monthly rainfall is 28mm.

What is the chance of a hurricane in Bonaire in September?

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

Bonaire September sunrise & sunset times

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

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

Date	Sunrise times	Sunset times
Monday, 1st September 2025	06:23	18:43
Monday, 15th September 2025	06:22	18:34
Tuesday, 30th September 2025	06:22	18:24

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Bonaire - quick facts
Flight time^✝	15 hours
Time difference	UK -4 hours
Language(s)	Papiamento, Dutch, English
Currency	US Dollar
Electricity	A + C plug (127V)
Driving side	Right
Why visit?	Beaches Nature
Tourist info	Tourism Corporation Bonaire