Samarinda weather in September 2026

Expect daytime maximum temperatures of 32°C in Samarinda, Indonesia in September and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 114 mm of rainfall in the month.

  • 32°C maximum daytime temperature in September in Samarinda32
    32°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in September in Samarinda10
    10 days with some rainfall
  • 23°C minimum night-time temperature in September in Samarinda23
    23°C min night temperature
  • 12 hours of daylight per day in September in Samarinda12
    12 hours of daylight per day
  • Very high heat & humidity in September in SamarindaVH
    Very High heat & humidity
  • 114 mm monthly rainfall in September in Samarinda114
    114 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Samarinda11
    11+ (Extreme) UV index

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The September weather guide for Indonesia (Samarinda) 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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More about Indonesia

How hot is it in Samarinda in September?

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

How sunny is it in Samarinda in September?

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

How warm is the sea around Samarinda in September?

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

Does it rain in Samarinda in September?

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

Samarinda September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 06:08 18:14
Tuesday, 15th September 2026 06:04 18:10
Wednesday, 30th September 2026 05:58 18:05

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