September Rainfall and Precipitation in Kauai

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

Kauai, the United States of America, a region in the United States of America, experiences precipitation in September ranging from moderate in Koloa (46 mm (1.8 in)) to moderate in Kapaa (65 mm (2.6 in)). On average, September is the driest month of the year in Kauai, the United States of America.

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

See also: Kauai weather by month.

Best Places to Visit in Kauai in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Kauai.

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 Kauai

Kauai precipitation in September: frequently asked questions

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

Princeville sees moderate rainfall in September, averaging around 49 mm (1.9 in). Most days stay dry, with the occasional shower.

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

Expect around 16 days rainy days in Princeville during September.

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

Not really. September is outside the wettest stretch of the year in Kauai, the United States of America.

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

In our database, Kapaa stands out as having an average rainfall level of 65 mm (2.6 in), making it the wettest location.

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

The driest place is Koloa with an average rainfall of 46 mm (1.8 in) according to our data.

Interested in more climate information?

We have much more information about the climate in Kauai.

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