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Hourly Forecast
Daylight Hours
06:22
Sunrise
18:21
Sunset
Moon
Waxing Gibbous
15:30
Moonrise
01:28
Moonset
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View stargazing scoreWeather in Yeosu today, September 21, 2026
Conditions in Yeosu on September 21, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. The morning looks comparatively open, with cloud near 3% around 03:00. Early outdoor plans have a better chance of staying dry and bright.
Expect highs of 27°C and cooler readings close to 20°C. The air stays humid, with relative humidity between 39% and 81% and the peak around 06:00. Winds stay light, near 4.9 km/h by 18:00, so the day feels still more than breezy.
Expect a more open afternoon, with limited cloud around 8% by 21:00. Residual damp risk should be lower than earlier. Visibility stays near 16.1 km. Expect sunrise at 06:22, sunset at 18:21, and 11 hours 58 minutes of sunlight today overall.
In short, September 21, 2026 looks like a fine day in Yeosu for being outside, peaking around 27°C.
Frequently asked questions about weather in Yeosu
How warm does it get in Yeosu?
The warmest month in Yeosu is August, with average high temperatures of 28°C. The average temperature during this period is around 27°C.
How cold does it get in Yeosu?
The coldest month in Yeosu 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 Yeosu?
The wettest month in Yeosu is September, with an average of 231mm of precipitation.
What is the driest time of year in Yeosu?
The driest month in Yeosu is December, with an average of 31mm of precipitation.
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