Indonesia weather in September 2019

  • 33°C maximum daytime temperature in September in Indonesia (Jakarta)33
    33°C max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in September in Indonesia (Jakarta)8
    8 days with some rainfall
  • 23°C minimum night-time temperature in September in Indonesia (Jakarta)23
    23°C min night temperature
  • 12 hours of daylight per day in September in Indonesia (Jakarta)12
    12 hours of daylight per day
  • Very high heat & humidity in September in Indonesia (Jakarta)VH
    Very High heat & humidity
  • 93 mm monthly rainfall in September in Indonesia (Jakarta)93
    93 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Indonesia (Jakarta)11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Indonesia (Jakarta)29
    29°C sea temperature
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The September weather guide for Indonesia, represented by Jakarta, 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Indonesia weather in September

The average maximum daytime temperature in Indonesia in September is a hot 33°C (91°F) with very high heat & humidity. The average night-time temperature is usually a warm 23°C (73°F). There are usually 9 hours of bright sunshine each day, which represents 71% of the 12 hours of daylight.

Expect 93mm (3.7 inches) of rainfall across the whole of September with 8 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Indonesia in September is 29°C (84°F).

The weather in Indonesia in September is represented by Jakarta.

Indonesia sunrise & sunset times for September 2019

Browse the sunrise & sunset times for Indonesia in September 2019. Select a month to view Indonesia sunrise & sunset times for the next twelve months. The Indonesia sunrise & sunset times shown below are for Jakarta.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2019 05:53 17:53
Sunday, 15th September 2019 05:46 17:50
Monday, 30th September 2019 05:38 17:47
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Popular Indonesia destinations

Below are average maximum temperatures at popular destinations in Indonesia in September. Select a destination to see more weather parameters.

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