Indonesia weather in September 2023
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 2023/2024.
- 33°C max day temperature
33 - 9 hours of sunshine per day
- 8 days with some rainfall
8 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 93 mm of monthly rainfall
93 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
The September weather guide for Indonesia (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.
Top Indonesia destinations
Below are average maximum temperatures at popular destinations in Indonesia in September. Select a destination to see more weather parameters.
All Indonesia regions
All Indonesia destinations
- Ambon
- Amed, Bali
- Balikpapan
- Banda Aceh
- Bandar Lampung
- Bandjermasin
- Bandung
- Bengkulu
- Biak
- Bima
- Bintan Island
- Bukittinggi
- Cirebon
- Denpasar, Bali
- Gili Islands, Lombok
- Jakarta
- Jayapura
- Kendari
- Kintamani
- Kupang
- Kuta, Bali
- Kuta, Lombok
- Labuan Bajo
- Makassar
- Malang
- Manado
- Manokwari
- Mataram, Lombok
- Maumere
- Medan
- Merauke
- Nias
- Nusa Dua, Bali
- Padang
- Palembang
- Pangkalanbuun
- Prapat
- Rantepao
- Samarinda
- Sanur, Bali
- Semarang
- Seminyak, Bali
- Senggigi, Lombok
- Singaradja, Bali
- Sorong
- Surabaja
- Tarakan
- Ternate
- Ubud, Bali
- Waingapu
- Yogyakarta
About Indonesia
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Indonesia by month
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Metric (°C / mm) | Imperial (°F / inches)
More about Indonesia
How hot is it in Indonesia in September?
Daytime temperatures usually reach 33°C in Jakarta, Indonesia in September with very high heat and humidity, falling to 23°C at night.
How sunny is it in Indonesia in September?
There are normally 9 hours of bright sunshine each day in Jakarta, Indonesia in September - that's 71% of daylight hours.
How warm is the sea around Indonesia in September?
The average sea temperature around Jakarta, Indonesia in September is 29°C.
Does it rain in Indonesia in September?
There are usually 8 days with some rain in Jakarta, Indonesia in September and the average monthly rainfall is 93mm.
Indonesia September sunrise & sunset times
Browse the sunrise and sunset times for Indonesia in September 2023. Select a month to view Indonesia sunrise and sunset times for the next 12 months. The Indonesia sunrise and sunset times shown below are for Jakarta.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st September 2023 | 05:53 | 17:53 |
| Friday, 15th September 2023 | 05:46 | 17:50 |
| Saturday, 30th September 2023 | 05:38 | 17:47 |
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