ClimateForecastSeptemberOctober >>

Kailua weather in September (United States of America)

Looking to travel to Kailua in September? Here's what the weather might have in store during this month.

In Kailua, September is characterized by high temperatures and moderate rainfall. Daytime temperatures hover around 28°C, while nights can cool down to about 24°C. Typically, it's the hottest month of the year. Make sure to come prepared with breezy outfits. Whether you're out exploring or just lounging, being prepared can make your experience in this warm month much more enjoyable.

Kailua in September usually receives moderate rainfall, averaging around 32 mm for the month. Rain is expected on roughly 8 days.

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.

If you prefer dry days with pleasant temperatures, typically offer the best circumstances. While tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Kailua climate page with graphs.

 

Kailua, monthly averages in September

Min TemperatureMin Temperature 24°C  
Max TemperatureMax Temperature 28°C  
Water TemperatureWater Temperature 27°C *  
Chance of RainChance of Rain 26%  
PrecipitationPrecipitation 32 mm  
Rainy daysRainy days 8 days  
HumidityHumidity 66% *  
WindspeedWindspeed 14 km/h *  
SunshineSunshine 279 hours *  
Percentage SunshinePercentage Sunshine 76% *  
* Data from: Honolulu, the United States of America (20 KM, 12 Miles).

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.

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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).

So, what should you wear in Kailua 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.

Swimming
10/10
Cycling
8/10
Walking
8/10
Barbeque
10/10
Camping
10/10
Outdoor sports
8/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Kailua.

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.