Captain Cook Weather in September

Captain Cook in September averages 24°C (75°F) during the day and 19°C (66°F) at night. September is part of the rainy season, so frequent rainfall is typical.

Rainfall in Captain Cook in September

Captain Cook is in the rainy season in September, with rain on around 17 days and an average of 530 mm (21 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.

Temperature in Captain Cook in September

Captain Cook in September gets highs of 24°C (75°F) during the day and drops to 19°C (66°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 19°C (66°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Captain Cook in September

The month enjoys around 260 hours of sunshine. The wet weather tends to wait until afternoon or evening to arrive, leaving the first half of most days dry and sunny.

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

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 Captain Cook's climate page.

Captain Cook Temperature in September

Min Temperature 19°C (66°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 56%  

Precipitation 530 mm (21 in)  

Rainy days 17 days  

Sunshine 260 hours *  

Percentage Sunshine *  

* Data from: Kailua-Kona, the United States of America (18 KM, 11 Miles).

What to Wear in Captain Cook in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Captain Cook in September

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

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 Captain Cook's climate page.

More climate data for Captain Cook

Temperature Rainfall Sunshine

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