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The weather in Northern Taiwan in September is very hot. The average temperatures are between 25°C and 31°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Northern Taiwan during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Northern Taiwan in September 2025.
If you’re planning to visit Northern Taiwan in the near future, we highly recommend that you review the 14 day weather forecast for Northern Taiwan before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 17° / 12° | 10 | 21 | 0 | 104 mm | Ok | Northern Taiwan in January |
| February | 19° / 14° | 8 | 20 | 0 | 93 mm | Ok | Northern Taiwan in February |
| March | 22° / 16° | 7 | 24 | 0 | 89 mm | Ok | Northern Taiwan in March |
| April | 25° / 19° | 6 | 24 | 0 | 78 mm | Perfect | Northern Taiwan in April |
| May | 29° / 23° | 8 | 23 | 0 | 141 mm | Ok | Northern Taiwan in May |
| June | 32° / 26° | 9 | 21 | 0 | 228 mm | Ok | Northern Taiwan in June |
| July | 34° / 27° | 7 | 24 | 0 | 194 mm | Bad | Northern Taiwan in July |
| August | 33° / 27° | 9 | 22 | 0 | 267 mm | Ok | Northern Taiwan in August |
| September | 31° / 25° | 7 | 23 | 0 | 192 mm | Ok | Northern Taiwan in September |
| October | 25° / 21° | 9 | 22 | 0 | 216 mm | Good | Northern Taiwan in October |
| November | 23° / 19° | 9 | 21 | 0 | 132 mm | Good | Northern Taiwan in November |
| December | 18° / 14° | 11 | 20 | 0 | 132 mm | Ok | Northern Taiwan in December |
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