Keauhou weather in September (United States of America)

Thinking of visiting Keauhou in September? Check the weather first! Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

In September, the weather in Keauhou generally includes high temperatures and heavy rainfall. During the day, temperatures usually reach up to 25°C. At night, they tend to fall to approximately 20°C.

Precipitation

Keauhou in September falls under the rainy season with heavy rainfall, averaging around 427 mm for the month. When we look at the climate data from the last 30 years, you can expect around 17 days of rain.

Average sunshine

The city usually sees around 260 hours of sunlight, indicating many sunny days.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Keauhou. January and February typically offer the most optimal weather. In contrast, April, May, June, July, August, September and October tend to have less optimal conditions.

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

 

Keauhou, monthly averages in September

Min Temperature 20°C  

Max Temperature 25°C  

Chance of Rain 56%  

Precipitation 427 mm  

Rainy days 17 days  

Sunshine 260 hours *  

Percentage Sunshine *  

Data from: Kailua-Kona, the United States of America (9 KM, 5 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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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 this month?

For visitors traveling to Keauhou, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

8/10

Camping

6/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Keauhou.

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 travel conditions. Find out where to go with our weather planner.