Honolulu weather in September (Hawaii, United States of America)
Planning a trip to Honolulu in September? This guide provides all the details you need.
In Honolulu the weather in September is generally perfect, characterized by high temperatures and low rainfall. Throughout the daytime, temperatures often hover around 29°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 24°C. On average, it is the warmest month of the year. So be prepared and pack summer clothes. Embrace the warmth, but always stay equipped with your summer essentials to make the most of this toasty month.
Honolulu in September usually receives low rainfall, averaging around 24 mm for the month. Typically around 9 days of rainfall is expected.
The days are predominantly sunny, with an estimated total of around 279 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.
In case you lean more towards enjoying temperate temperatures and rain-free days typically offer the most optimal weather. In contrast, tend to have less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Honolulu climate page with graphs.
Honolulu, monthly averages in September
Min Temperature
24°C
Max Temperature
29°C
Water Temperature
27°C
Chance of Rain
29%
Precipitation
24 mm
Rainy days
9 days
Humidity
66%
Windspeed
14 km/h
Sunshine
279 hours
Percentage Sunshine
76%
Where to go in the United States of America in September
Find out more about the weather in the United States of America in September and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Honolulu in September?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. With a water temperature of around 27°C this is a great month to swim so bring your swimwear.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Honolulu.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find 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.
