Weather in Hilo in September
The weather in Hilo is tropical and September is considered wet season, when there are over 27 days of rain accompanied by warm temperatures of over 29 degrees.
Avg Temp
20° - 29°
Avg Rainy Days
27
Avg Dry Days
3
Avg Snow Days
0
Weather Facts - Hilo in September
* The warmest temperature recorded in in September is 33°C
* The coldest temperature recorded in Hilo in September is 17°C
* The average rainfall in Hilo in September is 254 mm