Climate averages 1991–2020
Hualien City weather
in September.
A warm, very wet month: the 4th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Hualien City: daytime highs average 27.5°C and nights cool to about 22.7°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 469 mm of rain on roughly 23 days, which makes September a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 18 min on an average September day.
The nearest other city in this atlas is Puli (65 km away). In September its highs average 28.1°C, 0.7°C warmer than Hualien City, with 298 mm of rain.
Among the 28 cities listed in Taiwan, Hualien City ranks 27th of 28 for the warmest September highs and 28th of 28 for the driest September (rainfall, lowest first). The mean September high of those 28 cities is 28.5°C; Hualien City is 1.0°C cooler than that mean.
From September to October, average highs fall by 2.4°C to 25.0°C, and monthly rainfall falls from 469 mm to 344 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Hualien City climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.3°C13.7°C | 13.7°C | 407 | 29.6 | 10.811 h |
| February | 19.1°C14.1°C | 14.1°C | 383 | 26.2 | 11.311 h |
| March | 21.2°C15.7°C | 15.7°C | 335 | 27.6 | 12.012 h |
| April | 23.8°C18.3°C | 18.3°C | 279 | 26.5 | 12.713 h |
| May | 26.2°C20.9°C | 20.9°C | 371 | 29.1 | 13.313 h |
| June | 28.4°C23.0°C | 23.0°C | 337 | 25.7 | 13.614 h |
| July | 29.4°C24.0°C | 24.0°C | 294 | 21.6 | 13.513 h |
| August | 29.0°C24.0°C | 24.0°C | 353 | 22.9 | 13.013 h |
| September, selected | 27.5°C22.7°C | 22.7°C | 469 | 22.9 | 12.312 h |
| October | 25.0°C20.5°C | 20.5°C | 344 | 23.5 | 11.612 h |
| November | 22.6°C18.3°C | 18.3°C | 269 | 24.6 | 11.011 h |
| December | 19.4°C15.1°C | 15.1°C | 331 | 28.3 | 10.711 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Puli in SeptemberTaiwan · 65 kmHigh 28.1°C · Low 21.5°C · 298 mm rain
- Yilan, Taiwan in SeptemberTaiwan · 88 kmHigh 27.8°C · Low 23.7°C · 336 mm rain
- Caotun in SeptemberTaiwan · 93 kmHigh 28.2°C · Low 22.2°C · 230 mm rain
- Taichung in SeptemberTaiwan · 95 kmHigh 28.3°C · Low 22.6°C · 255 mm rain
- Nantou, Taiwan in SeptemberTaiwan · 96 kmHigh 27.1°C · Low 21.2°C · 230 mm rain
- Zhudong in SeptemberTaiwan · 99 kmHigh 28.1°C · Low 22.8°C · 197 mm rain
- Miaoli in SeptemberTaiwan · 103 kmHigh 27.7°C · Low 23.9°C · 182 mm rain
- Yuanlin in SeptemberTaiwan · 105 kmHigh 29.1°C · Low 23.2°C · 144 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Hualien City) is explained once on the Hualien City year overview and on the Sources, method and limits page.