Taiwan weather in September

Hi, during that time, the average temperature of Taiwan would be about 26 C. And it might be a little hot and humid. However, it is still during the typhoon season then. So apart from the short-sleeved shirt, you can also take along the rainy wears.
By the way, it is hot these days in Taiwan with the highest temperature of 30 C.
Besides, it rains heavily, so it is very humid.