Bintan Island weather in September 2025

Expect 90°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Bintan Island in September. Check more long-term weather averages for Bintan Island in September before you book your next holiday to Indonesia in 2025/2026.

  • 90°F maximum daytime temperature in September in Bintan Island90
    90°F max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in September in Bintan Island14
    14 days with some rainfall
  • 72°F minimum night-time temperature in September in Bintan Island72
    72°F min night temperature
  • 12 hours of daylight per day in September in Bintan Island12
    12 hours of daylight per day
  • Very high heat & humidity in September in Bintan IslandVH
    Very High heat & humidity
  • 8.4 inches monthly rainfall in September in Bintan Island8.4
    8.4 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Bintan Island11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Bintan Island84
    84°F sea temperature

More about Bintan Island

Bintan Island by month

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The September weather guide for Indonesia (Bintan Island) 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 Bintan Island in September?

Daytime temperatures usually reach 90°F in Bintan Island in September with very high heat and humidity, falling to 72°F at night.

How sunny is it in Bintan Island in September?

There are normally 5 hours of bright sunshine each day in Bintan Island in September - that's 44% of daylight hours.

How warm is the sea around Bintan Island in September?

The average sea temperature around Bintan Island in September is 84°F.

Does it rain in Bintan Island in September?

There are usually 14 days with some rain in Bintan Island in September and the average monthly rainfall is 8.4 inches.

Bintan Island September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:59 18:06
Monday, 15th September 2025 05:54 18:01
Tuesday, 30th September 2025 05:49 17:55

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