ClimateForecastSeptemberOctober >>

Weather in September in Oahu

Are you planning a trip a to Oahu in September and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Oahu in September?

Oahu is a region in the United States of America. September in Oahu generally has warm temperatures, with precipitation levels ranging from low to moderate.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C and nighttime temperatures around 24°C in Honolulu. On average, September is the warmest month of the year in Oahu. So be prepared and pack summer clothes.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Kapolei with an average of 19 mm to moderate rainfall in Laie with 33 mm.

Average sunshine

Meanwhile, Honolulu enjoys approximately 279 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

To learn more about the conditions in specific areas of Oahu in September, check out the map below. For more details on the yearly weather, visit our Oahu climate page.

Where to go in Oahu in September

Find more information for the most popular destinations in the Oahu on the map below. Click on a destination dot for more detailes.

Map not visible? Whoops sorry! Please refresh the page.
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

What is the weather like in September for the 4 most popular destinations in Oahu?

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

Kahuku

In September Kahuku 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.

Kahuku
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 
303 hours 
34 mm 
9 days 
28°C 
24°C 
279 hours 
33 mm 
9 days 
October   >> October
>>  
28°C 
24°C 
244 hours 
45 mm 
11 days 
Climate in Kahuku

Kapolei

In September Kapolei generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 25°C and low monthly rainfall. So on average the conditions are perfect that month.

Kapolei
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 
25°C 
303 hours 
18 mm 
8 days 
28°C 
25°C 
279 hours 
19 mm 
9 days 
October   >> October
>>  
28°C 
24°C 
244 hours 
30 mm 
10 days 
Climate in Kapolei

Laie

In September Laie 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.

Laie
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 
303 hours 
34 mm 
9 days 
28°C 
24°C 
279 hours 
33 mm 
9 days 
October   >> October
>>  
28°C 
24°C 
244 hours 
45 mm 
11 days 
Climate in Laie

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

Is September the best time to visit Oahu?

In our opinion, September is a good time to visit Oahu with overall perfect weather in Honolulu. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in offering mostly perfect weather in Honolulu.

Interested in more climate information?

We have much more information about the climate in Oahu. 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 travel conditions. Find out where to go with our weather planner.