Bonaire weather in September 2025

Expect 90°F 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.

  • 90°F maximum daytime temperature in September in Bonaire90
    90°F max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in September in Bonaire7
    7 days with some rainfall
  • 77°F minimum night-time temperature in September in Bonaire77
    77°F min night temperature
  • 12 hours of daylight per day in September in Bonaire12
    12 hours of daylight per day
  • Very high heat & humidity in September in BonaireVH
    Very High heat & humidity
  • 1.1 inches monthly rainfall in September in Bonaire1.1
    1.1 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Bonaire11
    11+ (Extreme) UV index
  • 82°F sea temperature in September in Bonaire82
    82°F 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)  |  Imperial (°F)

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How hot is it in Bonaire in September?

Daytime temperatures usually reach 90°F in Bonaire in September with very high heat and humidity, falling to 77°F 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 82°F.

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 1.1 inches.

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.

JanFebMarAprMayJunJulAugSepOctNovDec

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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