Balikpapan weather in September 2025

Expect 32°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Balikpapan in September. Check more long-term weather averages for Balikpapan in September before you book your next holiday to Indonesia in 2025/2026.

  • 32°C maximum daytime temperature in September in Balikpapan32
    32°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in September in Balikpapan9
    9 days with some rainfall
  • 24°C minimum night-time temperature in September in Balikpapan24
    24°C min night temperature
  • 12 hours of daylight per day in September in Balikpapan12
    12 hours of daylight per day
  • High heat & humidity in September in BalikpapanH
    High heat & humidity
  • 130 mm monthly rainfall in September in Balikpapan130
    130 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Balikpapan11
    11+ (Extreme) UV index
  • 28°C sea temperature in September in Balikpapan28
    28°C sea temperature

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The September weather guide for Indonesia (Balikpapan) 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 Balikpapan in September?

Daytime temperatures usually reach 32°C in Balikpapan in September with high heat and humidity, falling to 24°C at night.

How sunny is it in Balikpapan in September?

There are normally 7 hours of bright sunshine each day in Balikpapan in September - that's 60% of daylight hours.

How warm is the sea around Balikpapan in September?

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

Does it rain in Balikpapan in September?

There are usually 9 days with some rain in Balikpapan in September and the average monthly rainfall is 130mm.

Balikpapan September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:10 18:15
Monday, 15th September 2025 06:05 18:11
Tuesday, 30th September 2025 05:59 18:06

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