Alii Kai Weather in September

In Alii Kai, September brings high daytime temperatures around 25°C (77°F), with nights cooling to 21°C (70°F). This month falls within the rainy season, so expect frequent rainfall.

Rainfall in Alii Kai in September

As part of the rainy season, Alii Kai sees around 17 days of rain in September, with an average of 391 mm (15 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.

Temperature in Alii Kai in September

Daytime temperatures in Alii Kai reach 25°C (77°F) in September, dropping to 21°C (70°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are mild at around 21°C (70°F), which is comfortable for most people.

Sunshine in Alii Kai in September

Expect a lot of sunshine this month, with about 260 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Alii Kai. Our weather planner can help you explore destinations with more pleasant weather conditions.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Alii Kai's climate page.

Alii Kai Temperature in September

Min Temperature 21°C (70°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 55%  

Precipitation 391 mm (15 in)  

Rainy days 17 days  

Sunshine 260 hours *  

Percentage Sunshine *  

* Data from: Kailua-Kona, the United States of America (3 KM, 2 Miles).

What to Wear in Alii Kai in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Alii Kai in September

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

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Alii Kai's climate page.

More climate data for Alii Kai

Temperature Rainfall Sunshine

See the full Alii Kai climate overview or explore weather in the United States of America.