Weather in Indonesia in September 2018

  • 33°C maximum daytime temperature in September in Indonesia (Jakarta)33
    33°C max day temperature
  • 9 hours of sunshine per day (71% of daylight hours) in September in Indonesia9
    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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Expect 33°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Indonesia in September. Check more long-term weather averages for Indonesia in September before you book your next holiday to Indonesia in 2018/2019. The September weather averages shown above are for Jakarta.

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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 2018

Browse the sunrise & sunset times for Indonesia in September 2018. 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
Saturday, 1st September 2018 05:53 17:53
Sunday, 2nd September 2018 05:53 17:52
Monday, 3rd September 2018 05:52 17:52
Tuesday, 4th September 2018 05:52 17:52
Wednesday, 5th September 2018 05:51 17:52
Thursday, 6th September 2018 05:51 17:52
Friday, 7th September 2018 05:50 17:52
Saturday, 8th September 2018 05:50 17:51
Sunday, 9th September 2018 05:49 17:51
Monday, 10th September 2018 05:49 17:51
Tuesday, 11th September 2018 05:48 17:51
Wednesday, 12th September 2018 05:48 17:51
Thursday, 13th September 2018 05:47 17:50
Friday, 14th September 2018 05:47 17:50
Saturday, 15th September 2018 05:46 17:50
Sunday, 16th September 2018 05:46 17:50
Monday, 17th September 2018 05:45 17:50
Tuesday, 18th September 2018 05:45 17:49
Wednesday, 19th September 2018 05:44 17:49
Thursday, 20th September 2018 05:44 17:49
Friday, 21st September 2018 05:43 17:49
Saturday, 22nd September 2018 05:42 17:49
Sunday, 23rd September 2018 05:42 17:49
Monday, 24th September 2018 05:41 17:48
Tuesday, 25th September 2018 05:41 17:48
Wednesday, 26th September 2018 05:40 17:48
Thursday, 27th September 2018 05:40 17:48
Friday, 28th September 2018 05:39 17:48
Saturday, 29th September 2018 05:39 17:47
Sunday, 30th September 2018 05:38 17:47
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