ClimateForecastSeptemberOctober >>

Hawaii weather in September

Considering a trip to Hawaii this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What is the weather like in Hawaii in September?

Hawaii is a region in the United States of America. September in Hawaii generally has temperatures that range from warm to very warm, with precipitation levels ranging from low to heavy.

The average maximum daytime temperatures vary from warm in Volcano at 23°C to very warm in Wailuku at 30°C. Nighttime temperatures generally drop to 24°C in Wailuku and 18°C in Volcano. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

In September, precipitation varies across different areas. From low rainfall in Kaunakakai with an average of 9.3 mm to heavy rainfall in Captain Cook with 530 mm. Meanwhile, Kihei enjoys close to 271 hours of sunlight. This means it's a great month if you prefer bright and sunny days.

For specific regional insights in Hawaii for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Hawaii climate page.

Where to go in Hawaii in September

Find the average weather conditions in September for the most popular destinations in Hawaii on the map below. Click on a destination dot for more detailed information.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Hawaii

What is the weather like in September for the 5 most popular destinations in Hawaii?

Average weather in Kihei

In September Kihei generally has high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 23°C and low monthly rainfall. So on average the conditions are perfect that month.

Kihei
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
30°C 
23°C 
285 hours 
32 mm 
9 days 
30°C 
23°C 
271 hours 
29 mm 
8 days 
October   >> October
>>  
29°C 
23°C 
249 hours 
38 mm 
10 days 
Climate in Kihei

Average weather in Lahaina

In September Lahaina generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 24°C and low monthly rainfall. So on average the conditions are perfect that month.

Lahaina
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
29°C 
24°C 
285 hours 
13 mm 
9 days 
29°C 
24°C 
271 hours 
12 mm 
8 days 
October   >> October
>>  
28°C 
24°C 
249 hours 
22 mm 
10 days 
Climate in Lahaina

Average weather in Honolulu

In September Honolulu generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 24°C and low monthly rainfall. So on average the conditions are perfect that month.

Honolulu
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
29°C 
24°C 
303 hours 
23 mm 
8 days 
29°C 
24°C 
279 hours 
24 mm 
9 days 
October   >> October
>>  
28°C 
24°C 
244 hours 
34 mm 
10 days 
Climate in Honolulu

Average weather in Princeville

In September Princeville generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 24°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Princeville
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
28°C 
24°C 
263 hours 
49 mm 
17 days 
28°C 
24°C 
242 hours 
49 mm 
16 days 
October   >> October
>>  
27°C 
24°C 
209 hours 
68 mm 
18 days 
Climate in Princeville

Average weather in Koloa

In September Koloa generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 24°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Koloa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
28°C 
24°C 
263 hours 
45 mm 
17 days 
28°C 
24°C 
242 hours 
46 mm 
16 days 
October   >> October
>>  
27°C 
23°C 
209 hours 
65 mm 
17 days 
Climate in Koloa

Is your destination not in the list? Have a look at other destinations in Hawaii, in the United States of America.

Is September the best time to visit Hawaii?

We consider September to be one of the best times to travel to Hawaii. Typically, the climate in Kihei is perfect. However, the weather conditions may vary depending on your destination.

Generally speaking, January, February, March, April, May, June, July, September, October, November and December provide perfect weather in Kihei.

Interested in more climate information?

We have much more information about the climate in Hawaii. Interested in the weather conditions in a specific month? Select the month below.

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  • 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 climate conditions. Find out where to go with our weather planner.