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.
Temperatures
31° / 28°
Rainy Days
8
Snowy Days
0
Dry Days
22
Rainfall
260
mm
Sun Hours
11.3
Hrs