Bintan Island weather in September 2026

Expect daytime maximum temperatures of 32°C in Bintan Island, Indonesia in September and very high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 214 mm of rainfall in the month.

  • 32°C maximum daytime temperature in September in Bintan Island32
    32°C max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in September in Bintan Island14
    14 days with some rainfall
  • 22°C minimum night-time temperature in September in Bintan Island22
    22°C 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
  • 214 mm monthly rainfall in September in Bintan Island214
    214 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Bintan Island11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Bintan Island29
    29°C sea temperature

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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 / mm)  |  Imperial (°F / inches)

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How hot is it in Bintan Island in September?

Daytime temperatures usually reach 33°C in Bintan Island in September with very high heat and humidity, falling to 23°C at night.

How sunny is it in Bintan Island in September?

There are normally 9 hours of bright sunshine each day in Bintan Island in September - that's 71% of daylight hours.

How warm is the sea around Bintan Island in September?

The average sea temperature around Bintan Island in September is 29°C.

Does it rain in Bintan Island in September?

There are usually 8 days with some rain in Bintan Island in September and the average monthly rainfall is 93mm.

Bintan Island September sunrise & sunset times

Browse the sunrise and sunset times for Bintan Island in September 2026. Select a month to view Bintan Island sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 05:59 18:06
Tuesday, 15th September 2026 05:54 18:01
Wednesday, 30th September 2026 05:50 17:56

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