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Hourly Forecast
Daylight Hours
06:09
Sunrise
18:08
Sunset
Moon
Waxing Gibbous
15:09
Moonrise
01:23
Moonset
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View stargazing scoreWeather in Kokubu-matsuki today, September 21, 2026
Plan for bright conditions in Kokubu-matsuki on September 21, 2026, though cloud cover thickens for a spell near 04:00. The day as a whole still leans toward sunshine. The opening hours look fair, as cloud stays near 40% around 04:00. Morning errands should face fewer weather interruptions.
The day peaks near 29°C and cools toward 20°C. Moisture in the air spans 54%-86%, with the highest values around 05:00. Airflow remains manageable, reaching about 4.8 km/h around 15:00.
Expect a more open afternoon, with limited cloud around 24% by 12:00. Residual damp risk should be lower than earlier. Horizontal visibility holds close to 16.1 km. Sunrise is at 06:09 and sunset at 18:08, giving 11 hours 58 minutes of sunlight today.
The practical takeaway for Kokubu-matsuki is a bright September 21, 2026, ideal for outdoor errands before temperatures ease from about 29°C.
Frequently asked questions about weather in Kokubu-matsuki
How warm does it get in Kokubu-matsuki?
The warmest month in Kokubu-matsuki is August, with average high temperatures of 31°C. The average temperature during this period is around 28°C.
How cold does it get in Kokubu-matsuki?
The coldest month in Kokubu-matsuki is January, with average low temperatures of 3°C. The average temperature during this period is around 7°C.
What is the wettest time of year in Kokubu-matsuki?
The wettest month in Kokubu-matsuki is June, with an average of 443mm of precipitation.
What is the driest time of year in Kokubu-matsuki?
The driest month in Kokubu-matsuki is December, with an average of 65mm of precipitation.
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