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05:45
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17:44
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Waxing Gibbous
14:55
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00:48
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View stargazing scoreWeather in Yamagata today, September 21, 2026
Yamagata starts September 21, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Early hours look the most unsettled, with rain probability near 62% by 05:00. The thickest cloud arrives around 05:00, reaching about 95%.
Expect highs of 31°C and cooler readings close to 22°C. The air stays humid, with relative humidity between 57% and 86% and the peak around 05:00. Winds stay light, near 4.1 km/h by 21:00, so the day feels still more than breezy.
Through the afternoon the main story eases from the wetter morning, with rain odds nearer 0% after earlier peaks around 62%. Cloud remains in play near 90% around 12:00, but the heaviest damp risk should be behind you. Views remain open at about 16.1 km. Daylight runs from 05:45 to 17:44, lasting 11 hours 58 minutes of sunlight today.
Overall, Yamagata on September 21, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 62% and the high sits around 31°C.
Frequently asked questions about weather in Yamagata
How warm does it get in Yamagata?
The warmest month in Yamagata is August, with average high temperatures of 32°C. The average temperature during this period is around 27°C.
How cold does it get in Yamagata?
The coldest month in Yamagata is January, with average low temperatures of 1°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Yamagata?
The wettest month in Yamagata is July, with an average of 383mm of precipitation.
What is the driest time of year in Yamagata?
The driest month in Yamagata is January, with an average of 70mm of precipitation.
