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Hourly Forecast
Daylight Hours
06:02
Sunrise
18:02
Sunset
Moon
Waxing Gibbous
13:41
Moonrise
02:35
Moonset
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View stargazing scoreWeather in Sumbawa Besar today, September 21, 2026
Sumbawa Besar 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 54% near 02:00. The early part of the day favours being outside.
Expect highs of 34°C and cooler readings close to 23°C. Moisture in the air spans 41%-86%, with the highest values around 05:00. Winds stay light, near 3.4 km/h by 11:00, so the day feels still more than breezy.
Through the afternoon wet weather remains a factor, with rain chances near 68% around 15:00. Cloud also stays substantial, close to 53% near 14:00. Visibility stays near 16.1 km. The sun rises at 06:02 and sets at 18:02, for a total of 12 hours 0 minutes of sunlight today.
The practical takeaway for Sumbawa Besar on September 21, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 34°C.
Frequently asked questions about weather in Sumbawa Besar
How warm does it get in Sumbawa Besar?
The warmest month in Sumbawa Besar is October, with average high temperatures of 32°C. The average temperature during this period is around 28°C.
How cold does it get in Sumbawa Besar?
The coldest month in Sumbawa Besar is August, with average low temperatures of 23°C. The average temperature during this period is around 26°C.
What is the wettest time of year in Sumbawa Besar?
The wettest month in Sumbawa Besar is January, with an average of 368mm of precipitation.
What is the driest time of year in Sumbawa Besar?
The driest month in Sumbawa Besar is August, with an average of 3mm of precipitation.
