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Hourly Forecast
Daylight Hours
06:11
Sunrise
18:10
Sunset
Moon
Waxing Gibbous
15:14
Moonrise
01:22
Moonset
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Wednesday
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View stargazing scoreWeather in Unzen today, September 21, 2026
Unzen keeps a mostly sunny profile on September 21, 2026, aside from a cloudier spell around 04:00. Outside that window, bright conditions should still lead the day. The opening hours look fair, as cloud stays near 37% around 04:00. Morning errands should face fewer weather interruptions.
Expect highs of 23°C and cooler readings close to 19°C. Relative humidity sits between 54% and 83%, reaching its peak around 06:00. Winds stay light, near 7.1 km/h by 21:00, so the day feels still more than breezy.
Expect a more open afternoon, with limited cloud around 24% by 12:00. Residual damp risk should be lower than earlier. Views remain open at about 16.1 km. Daylight runs from 06:11 to 18:10, lasting 11 hours 58 minutes of sunlight today.
Taken together, settled sunshine in Unzen on September 21, 2026 makes outdoor timing easier, with highs near 23°C.
Frequently asked questions about weather in Unzen
How warm does it get in Unzen?
The warmest month in Unzen is August, with average high temperatures of 33°C. The average temperature during this period is around 29°C.
How cold does it get in Unzen?
The coldest month in Unzen is January, with average low temperatures of 5°C. The average temperature during this period is around 8°C.
What is the wettest time of year in Unzen?
The wettest month in Unzen is June, with an average of 393mm of precipitation.
What is the driest time of year in Unzen?
The driest month in Unzen is January, with an average of 69mm of precipitation.
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