September Rainfall and Precipitation in Oahu

Average rainfall, rainy days and the driest cities in Oahu, the United States of America in September.

Oahu, the United States of America, a region in the United States of America, experiences in September precipitation ranging from a low 19 mm (0.7 in) in Kapolei to a moderate 33 mm (1.3 in) in Laie.

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For a detailed overview over the year and the best time to visit Oahu, check out our Oahu's climate page.

See also: Oahu weather by month.

Best Places to Visit in Oahu in September

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Conditions Temperatures Precipitation
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.

See all September weather averages, cities and regions in Oahu

Oahu precipitation in September: frequently asked questions

How much rainfall does Oahu, the United States of America receive in September?

Rainfall in Honolulu during September is on the lighter side, averaging about 24 mm (0.9 in). Expect predominantly dry weather punctuated by short showers.

How many days does it rain in Oahu, the United States of America in September?

Expect around 9 days rainy days in Honolulu during September.

Is September part of the rainy season in Oahu, the United States of America?

No. September sits outside the typical rainy season in Oahu, the United States of America, so you can expect drier conditions overall.

What is the wettest city in September in Oahu, the United States of America?

Laie is the wettest city in Oahu, the United States of America in September according to our database, with average rainfall of around 33 mm (1.3 in).

What is the driest city in September in Oahu, the United States of America?

Kapolei is the driest city we have data for in Oahu, the United States of America in September, with monthly rainfall close to 19 mm (0.7 in).

Interested in more climate information?

We have much more information about the climate in Oahu.

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