Climate averages 1991–2020
Weather in Taiwan in September
In September, average daytime highs across the 28 cities listed in Taiwan range from 27.1°C in Nantou, Taiwan to 29.4°C in Tainan. Monthly rainfall ranges from 144 mm in Chang-hua to 469 mm in Hualien City.
Long-term climate patterns, not a forecast for a particular trip.
City by city
September in Taiwan
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Taipei | 28.6°C24.5°C | 24.5°C | 258 | 16.9 |
| Taichung | 28.3°C22.6°C | 22.6°C | 255 | 22.5 |
| Kaohsiung | 29.2°C23.9°C | 23.9°C | 189 | 16.7 |
| Tainan | 29.4°C24.8°C | 24.8°C | 183 | 13.5 |
| Banqiao | 28.5°C23.5°C | 23.5°C | 258 | 16.9 |
| Taoyuan | 27.9°C23.4°C | 23.4°C | 180 | 12.6 |
| Hsinchu | 28.1°C24.1°C | 24.1°C | 197 | 14.8 |
| Keelung | 28.3°C25.2°C | 25.2°C | 192 | 15.2 |
| Neihu | 28.5°C24.8°C | 24.8°C | 258 | 16.9 |
| Chiayi City | 28.5°C22.3°C | 22.3°C | 436 | 23.9 |
| Yongkang | 29.4°C23.9°C | 23.9°C | 183 | 13.5 |
| Chang-hua | 29.1°C23.6°C | 23.6°C | 144 | 12.1 |
| Bade | 28.3°C22.9°C | 22.9°C | 180 | 12.6 |
| Danshui, Taiwan | 28.7°C25.2°C | 25.2°C | 169 | 14.2 |
| Shulin | 28.4°C23.5°C | 23.5°C | 258 | 16.9 |
| Yuanlin | 29.1°C23.2°C | 23.2°C | 144 | 12.1 |
| Sanxia | 29.2°C23.6°C | 23.6°C | 180 | 12.6 |
| Douliu | 28.5°C22.3°C | 22.3°C | 267 | 17.9 |
| Toufen | 28.0°C24.1°C | 24.1°C | 197 | 14.8 |
| Nantou, Taiwan | 27.1°C21.2°C | 21.2°C | 230 | 21.3 |
| Taitung | 29.0°C24.8°C | 24.8°C | 341 | 21.1 |
| Hualien City | 27.5°C22.7°C | 22.7°C | 469 | 22.9 |
| Caotun | 28.2°C22.2°C | 22.2°C | 230 | 21.3 |
| Zhudong | 28.1°C22.8°C | 22.8°C | 197 | 14.8 |
| Yilan, Taiwan | 27.8°C23.7°C | 23.7°C | 336 | 20.5 |
| Puli | 28.1°C21.5°C | 21.5°C | 298 | 24.5 |
| Miaoli | 27.7°C23.9°C | 23.9°C | 182 | 13.9 |
| Xinying | 29.4°C23.6°C | 23.6°C | 190 | 12.8 |
A rain day is a local calendar day with at least 1 mm of precipitation.