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Hourly Forecast
Daylight Hours
05:49
Sunrise
17:57
Sunset
Moon
Waxing Crescent
09:21
Moonrise
20:28
Moonset
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Weather in Tainan today, September 15, 2026
Rain features in Tainan on September 15, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. The morning carries the wetter risk, with rain chances near 40% and the highest odds around 11:00. Cloud is also thick early on, peaking near 30% around 11:00.
Temperatures climb from an overnight low near 26°C toward a daytime high of about 31°C. The air stays humid, with relative humidity between 64% and 94% and the peak around 23:00. Winds stay light, near 2.5 km/h by 11:00, so the day feels still more than breezy.
Expect the wet theme to continue later, as rain odds reach 98% near 15:00. Cloud amounts hold near 51% around 14:00. Views remain open at about 16.1 km. Sunrise is at 05:49 and sunset at 17:57, giving 12 hours 7 minutes of sunlight today.
In short, treat September 15, 2026 in Tainan as a damp day: pack covers, watch the wetter hours, and expect a high near 31°C.
Frequently asked questions about weather in Tainan
How warm does it get in Tainan?
The warmest month in Tainan is July, with average high temperatures of 32°C. The average temperature during this period is around 29°C.
How cold does it get in Tainan?
The coldest month in Tainan is January, with average low temperatures of 16°C. The average temperature during this period is around 19°C.
What is the wettest time of year in Tainan?
The wettest month in Tainan is August, with an average of 401mm of precipitation.
What is the driest time of year in Tainan?
The driest month in Tainan is December, with an average of 38mm of precipitation.