Temperature in Hawaii in September

Daytime highs, nighttime lows and the warmest cities in Hawaii, the United States of America this September.

Hawaii, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in September ranging from 23°C (73°F) in Volcano to 30°C (86°F) in Wailuku. Nighttime temperatures generally drop to 24°C (75°F) in Wailuku and 18°C (64°F) in Volcano.

What is the temperature of the different cities in Hawaii, the United States of America in September?

Discover the typical September temperatures for the most popular locations of Hawaii on the map below. Detailed insights are just a click away.

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Check the conditions for any month of the year.

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

See also: Hawaii weather by month.

Best Places to Visit in Hawaii in September

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

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Hawaii

Hawaii temperatures in September: frequently asked questions

How hot does it get in Hawaii, the United States of America in September?

Average daytime highs in Hawaii, the United States of America during September reach about 30°C (86°F) in Kihei.

How cold does it get at night in Hawaii, the United States of America in September?

Nighttime temperatures in Kihei typically drop to around 23°C (73°F) in September.

What is the warmest city in September in Hawaii, the United States of America?

According to our recent database analysis, Wailuku is the warmest city. It experiences an average maximum daytime temperature of approximately 30°C (86°F) and rarely drops below 24°C (75°F) during the night.

What is the coldest city in September in Hawaii, the United States of America?

Our database indicates that in September, Volcano is the city with the coolest temperatures in Hawaii, the United States of America. You can expect daytime highs of 23°C (73°F) and nighttime lows close to 18°C (64°F).

How much sun does Hawaii, the United States of America get in September?

Across Hawaii, the United States of America, sunshine in September ranges from moderately sunny in Hilo (160 hours) to sunny in Honolulu (279 hours).

What is the water temperature in September?

The water temperature averages approximately 27°C (81°F) in Honolulu this month, a perfect temperature for swimming and cooling off.

Interested in more climate information?

We have much more information about the climate in Hawaii.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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