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Indonesia weather in September 2019
- 3333°C max day temperature
- 88 days with some rainfall
- 2323°C min night temperature
- 1212 hours of daylight per day
- VHVery High heat & humidity
- 9393 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2929°C sea temperature
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.
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.
|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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Discover more about Indonesia
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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