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Hourly Forecast
Daylight Hours
05:37
Sunrise
17:38
Sunset
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Waxing Gibbous
13:12
Moonrise
02:12
Moonset
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View stargazing scoreWeather in Kupang today, September 21, 2026
Kupang looks damp on September 21, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Morning skies stay relatively clear, holding cloud close to 34% near 11:00. The early part of the day favours being outside.
Expect highs of 29°C and cooler readings close to 25°C. Relative humidity sits between 60% and 76%, reaching its peak around 20:00. Expect gentle winds, highest near 20:00 at 4.4 km/h.
Through the afternoon wet weather remains a factor, with rain chances near 40% around 12:00. Cloud also stays substantial, close to 45% near 14:00. Horizontal visibility holds close to 16.1 km. Sunrise is at 05:37 and sunset at 17:38, giving 12 hours 0 minutes of sunlight today.
Taken together, Kupang looks wet enough on September 21, 2026 that flexible outdoor plans work best, with temperatures peaking near 29°C.
Frequently asked questions about weather in Kupang
How warm does it get in Kupang?
The warmest month in Kupang is October, with average high temperatures of 34°C. The average temperature during this period is around 29°C.
How cold does it get in Kupang?
The coldest month in Kupang is August, with average low temperatures of 23°C. The average temperature during this period is around 27°C.
What is the wettest time of year in Kupang?
The wettest month in Kupang is January, with an average of 297mm of precipitation.
What is the driest time of year in Kupang?
The driest month in Kupang is August, with an average of 2mm of precipitation.
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