Click on a day for an hourly weather forecast
The temperatures in Kaohsiung during September are extremely high, between 28°C and hot as 31°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in Kaohsiung. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Kaohsiung in September 2025.
If you’re planning to visit Kaohsiung in the near future, we highly recommend that you review the 14 day weather forecast for Kaohsiung before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 23° / 19° | 1 | 30 | 0 | 15 mm | Perfect | Kaohsiung in January |
| February | 24° / 20° | 1 | 27 | 0 | 20 mm | Perfect | Kaohsiung in February |
| March | 26° / 22° | 1 | 30 | 0 | 24 mm | Perfect | Kaohsiung in March |
| April | 27° / 23° | 3 | 27 | 0 | 68 mm | Perfect | Kaohsiung in April |
| May | 30° / 26° | 7 | 24 | 0 | 165 mm | Ok | Kaohsiung in May |
| June | 31° / 27° | 10 | 20 | 0 | 389 mm | Ok | Kaohsiung in June |
| July | 31° / 28° | 13 | 18 | 0 | 386 mm | Ok | Kaohsiung in July |
| August | 31° / 28° | 14 | 17 | 0 | 633 mm | Ok | Kaohsiung in August |
| September | 31° / 28° | 8 | 22 | 0 | 260 mm | Ok | Kaohsiung in September |
| October | 30° / 26° | 2 | 29 | 0 | 67 mm | Good | Kaohsiung in October |
| November | 28° / 24° | 1 | 29 | 0 | 46 mm | Perfect | Kaohsiung in November |
| December | 24° / 20° | 1 | 30 | 0 | 14 mm | Perfect | Kaohsiung in December |