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Kupang weather in September 2025
Expect 32°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Kupang in September. Check more long-term weather averages for Kupang in September before you book your next holiday to Indonesia in 2025/2026.
- 3232°C max day temperature
- 10 hours of sunshine per day
- 11 day with some rainfall
- 2121°C min night temperature
- 1212 hours of daylight per day
- HHigh heat & humidity
- 1010 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2727°C sea temperature
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Recommended for Indonesia
The September weather guide for Indonesia (Kupang) 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)
More about Indonesia
How hot is it in Kupang in September?
Daytime temperatures usually reach 32°C in Kupang in September with high heat and humidity, falling to 21°C at night.
How sunny is it in Kupang in September?
There are normally 10 hours of bright sunshine each day in Kupang in September - that's 84% of daylight hours.
How warm is the sea around Kupang in September?
The average sea temperature around Kupang in September is 27°C.
Does it ever rain in Kupang in September?
There is usually 1 day with some rain in Kupang in September and the average monthly rainfall is 10mm.
Kupang September sunrise & sunset times
Browse the sunrise and sunset times for Kupang in September 2025. Select a month to view Kupang sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:48 | 17:43 |
Monday, 15th September 2025 | 05:40 | 17:42 |
Tuesday, 30th September 2025 | 05:30 | 17:41 |
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