Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Keauhou Weather in September
With daytime temperatures of 25°C (77°F) and nighttime lows of 20°C (68°F), September in Keauhou brings high temperatures during the day. Do keep in mind that September is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in Keauhou in September
As part of the rainy season, Keauhou sees around 17 days of rain in September, with an average of 427 mm (17 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.
Temperature in Keauhou in September
Temperatures in Keauhou in September top out at 25°C (77°F) and drop to 20°C (68°F) overnight. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 20°C (68°F), evenings stay pleasantly warm.
Sunshine in Keauhou 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 prefer dry days with pleasant temperatures, September may not be the ideal month to visit Keauhou. Our weather planner can help you explore destinations with more pleasant weather conditions.
Keauhou Temperature in September
Min Temperature
20°C (68°F)
Max Temperature
25°C (77°F)
Chance of Rain
56%
Precipitation
427 mm (17 in)
Rainy days
17 days
Sunshine
260 hours *
Percentage Sunshine
*
* Data from: Kailua-Kona, the United States of America (9 KM, 5 Miles).
Keauhou Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Keauhou - and find the best time to visit.
Best Places 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. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Keauhou in September
For Keauhou in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. 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 Keauhou in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming8/10 -
Camping6/10
Keauhou 3-Day Forecast
More climate data for Keauhou
See the full Keauhou climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.