September Rainfall and Precipitation in The Big Island
Average rainfall, rainy days and the driest cities in The Big Island, the United States of America in September.
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Best Places to Visit in The Big Island in September
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across The Big Island.
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.
The Big Island precipitation in September: frequently asked questions
How much rainfall does The Big Island, the United States of America receive in September?
September in The Big Island, the United States of America is a significant part of the rainy season. It might not be the best month for a trip. With an average of 356 mm (14 in) of rain in September, Kailua-Kona's weather becomes notably unpredictable due to the frequent downpours.
How many days does it rain in The Big Island, the United States of America in September?
Expect around 16 days rainy days in Kailua-Kona during September.
Is September part of the rainy season in The Big Island, the United States of America?
Yes, the rainy season in The Big Island, the United States of America includes September. Plan for periodic rainfall during your visit.
What is the wettest city in September in The Big Island, the United States of America?
Based on our records, Captain Cook receives the most rainfall in The Big Island, the United States of America in September, averaging about 530 mm (21 in).
What is the driest city in September in The Big Island, the United States of America?
Hawi is the driest city we have data for in The Big Island, the United States of America in September, with monthly rainfall close to 30 mm (1.2 in).
Interested in more climate information?
We have much more information about the climate in The Big Island.
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