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Kupang weather in September 2025
Expect daytime maximum temperatures of 90°F in Kupang, Indonesia in September and high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average.
- 90°F max day temperature
90 - 10 hours of sunshine per day
- 1 day with some rainfall
1 - 70°F min night temperature
70 - 12 hours of daylight per day
12 - High heat & humidity
H - 0.4 inches of monthly rainfall
0.4 - 11+ (Extreme) UV index
11 - 81°F sea temperature
81
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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) | Imperial (°F)
More about Indonesia
How hot is it in Kupang in September?
Daytime temperatures usually reach 90°F in Kupang in September with high heat and humidity, falling to 70°F 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 81°F.
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 0.4 inches.
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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