Oahu weather in September
Are you planning a trip 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.
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.
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. 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
perfect weather
pleasant
tolerable
unpleasant
poor
Popular destinations in Oahu
What is the weather like in September for the 4 most popular destinations in Oahu?
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.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Average weather in 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.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Average weather in 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.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Average weather in 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.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
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.
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.