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Bali weather in September 2025
Expect 30°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Bali in September. Check more long-term weather averages for Bali in September before you book your next holiday to Bali in 2025/2026.
- 3030°C max day temperature
- 10 hours of sunshine per day
- 11 day with some rainfall
- 2323°C min night temperature
- 1212 hours of daylight per day
- HHigh heat & humidity
- 116116 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2626°C sea temperature
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Recommended for Bali
The September weather guide for Bali (Denpasar) 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 Bali destinations
Below are average maximum temperatures at popular countries, regions and places in Bali in September. Select a holiday destination to see more weather parameters.
All Bali destinations
Metric (°C / mm) | Imperial (°F / inches)
More about Bali
How hot is it in Bali in September?
Daytime temperatures usually reach 30°C in Denpasar, Bali in September with high heat and humidity, falling to 23°C at night.
How sunny is it in Bali in September?
There are normally 10 hours of bright sunshine each day in Denpasar, Bali in September - that's 84% of daylight hours.
How warm is the sea around Bali in September?
The average sea temperature around Denpasar, Bali in September is 26°C.
Does it ever rain in Bali in September?
There is usually 1 day with some rain in Denpasar, Bali in September and the average monthly rainfall is 116mm.
Bali September sunrise & sunset times
Browse the sunrise and sunset times for Bali in September 2025. Select a month to view Bali sunrise and sunset times for the next 12 months. The Bali sunrise and sunset times shown below are for Denpasar.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 06:21 | 18:17 |
Monday, 15th September 2025 | 06:13 | 18:16 |
Tuesday, 30th September 2025 | 06:04 | 18:14 |
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