Waimea Weather in September

Waimea in September averages 27°C (81°F) during the day and 20°C (68°F) at night. September is part of the rainy season, so frequent rainfall is typical.

Rainfall in Waimea in September

As part of the rainy season, Waimea sees around 18 days of rain in September, with an average of 170 mm (6.7 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Waimea in September

Daytime temperatures in Waimea reach 27°C (81°F) in September, dropping to 20°C (68°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 20°C (68°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Waimea 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 your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, May, June, July, September, October, November and December typically offer the best circumstances for Waimea.

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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 Waimea's climate page.

Waimea Temperature in September

Min Temperature 20°C (68°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 58%  

Precipitation 170 mm (6.7 in)  

Rainy days 18 days  

Sunshine 260 hours *  

Percentage Sunshine *  

* Data from: Kailua-Kona, the United States of America (54 KM, 33 Miles).

What to Wear in Waimea 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Waimea 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 Waimea's climate page.

More climate data for Waimea

Temperature Rainfall Sunshine

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