Click on a day for an hourly weather forecast
The temperatures in Kao Hsiung 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 Kao Hsiung. 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 Kao Hsiung in September 2025.
If you’re planning to visit Kao Hsiung in the near future, we highly recommend that you review the 14 day weather forecast for Kao Hsiung before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 23° / 19° | 1 | 30 | 0 | 15 mm | Perfect | Kao Hsiung in January |
| February | 24° / 20° | 1 | 27 | 0 | 20 mm | Perfect | Kao Hsiung in February |
| March | 26° / 22° | 1 | 30 | 0 | 24 mm | Perfect | Kao Hsiung in March |
| April | 27° / 23° | 3 | 27 | 0 | 68 mm | Perfect | Kao Hsiung in April |
| May | 30° / 26° | 7 | 24 | 0 | 165 mm | Ok | Kao Hsiung in May |
| June | 31° / 27° | 10 | 20 | 0 | 389 mm | Ok | Kao Hsiung in June |
| July | 31° / 28° | 13 | 18 | 0 | 386 mm | Ok | Kao Hsiung in July |
| August | 31° / 28° | 14 | 17 | 0 | 633 mm | Ok | Kao Hsiung in August |
| September | 31° / 28° | 8 | 22 | 0 | 260 mm | Ok | Kao Hsiung in September |
| October | 30° / 26° | 2 | 29 | 0 | 67 mm | Good | Kao Hsiung in October |
| November | 28° / 24° | 1 | 29 | 0 | 46 mm | Perfect | Kao Hsiung in November |
| December | 24° / 20° | 1 | 30 | 0 | 14 mm | Perfect | Kao Hsiung in December |