Waikoloa Weather in September

Thinking of visiting Waikoloa in September? Expect high temperatures reaching 27°C (81°F) during the day, dropping to 20°C (68°F) at night. Heavy showers are common during the rainy season.

Rainfall in Waikoloa in September

Waikoloa is in the rainy season in September, with rain on around 17 days and an average of 296 mm (12 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.

Temperature in Waikoloa in September

Temperatures in Waikoloa in September top out at 27°C (81°F) and drop to 20°C (68°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 20°C (68°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Waikoloa in September

The days are predominantly sunny, with an estimated total of around 260 hours of sunshine. Rain is often only seen in the afternoon or evening, leaving clear skies for most of the day. This results in rainy months that still feel bright and are suitable for travel.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Waikoloa. Our weather planner can help you explore destinations with more pleasant weather conditions.

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• January
• February
• March
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• May
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• October
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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 Waikoloa's climate page.

Waikoloa Temperature in September

Min Temperature 20°C (68°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 56%  

Precipitation 296 mm (12 in)  

Rainy days 17 days  

Sunshine 260 hours *  

Percentage Sunshine *  

* Data from: Kailua-Kona, the United States of America (36 KM, 22 Miles).

What to Wear in Waikoloa in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Waikoloa 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 Waikoloa's climate page.

More climate data for Waikoloa

Temperature Rainfall Sunshine

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