The weather in Kihei in September is very hot. The average temperatures are between 25°C and 27°C, drinking water regularly is advisable.
You can expect a few rainy days in Kihei during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Kihei in September 2025.
If you’re planning to visit Kihei in the near future, we highly recommend that you review the 14 day weather forecast for Kihei before you arrive.
Temperatures
27° / 25°
Rainy Days
1
Snowy Days
0
Dry Days
30
Rainfall
17
mm
Sun Hours
10.2
Hrs