Measurements:
°C
°F
CURRENT WEATHER
03:41
Kailua Kona
78°F
SE 1 mph
Feels like: 82°F
Precip: 9%
World Resorts USA Kailua Kona Weather

14 Day Weather Forecast

09.15
tue
DAY
82°F
E 7 mph
precip
13%
NIGHT
78°F
E 1 mph
precip
9%
09.16
wed
DAY
86°F
E 6 mph
precip
13%
NIGHT
80°F
S 2 mph
precip
9%
09.17
thu
DAY
84°F
SE 7 mph
precip
4%
NIGHT
80°F
N 2 mph
precip
60%
09.18
fri
DAY
84°F
NE 12 mph
precip
26%
NIGHT
78°F
N 7 mph
precip
26%
09.19
sat
DAY
84°F
E 6 mph
precip
15%
NIGHT
78°F
W 4 mph
precip
21%
09.20
sun
DAY
82°F
E 7 mph
precip
18%
NIGHT
78°F
NE 3 mph
precip
25%
09.21
mon
DAY
84°F
SE 6 mph
precip
7%
NIGHT
78°F
E 2 mph
precip
8%
09.22
tue
DAY
84°F
SE 5 mph
precip
15%
NIGHT
80°F
E 2 mph
precip
9%
09.23
wed
DAY
84°F
E 5 mph
precip
31%
NIGHT
80°F
SE 1 mph
precip
23%
09.24
thu
DAY
84°F
E 5 mph
precip
10%
NIGHT
80°F
SE 2 mph
precip
21%
09.25
fri
DAY
84°F
E 4 mph
precip
22%
NIGHT
80°F
SE 1 mph
precip
20%
09.26
sat
DAY
84°F
NE 7 mph
precip
16%
NIGHT
80°F
E 2 mph
precip
22%
09.27
sun
DAY
84°F
NE 7 mph
precip
25%
NIGHT
80°F
N 2 mph
precip
68%
09.28
mon
DAY
84°F
E 6 mph
precip
13%
NIGHT
80°F
N 6 mph
precip
24%

Kailua Kona Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Kailua Kona was 85.7°F. The maximum and minimum values were 85.2°F and 86.0°F respectively.

Kailua Kona on the Weather Map

Best Time to Visit Kailua Kona
The most sunny months:
January 22 days
December 20 days
February 19 days
The most warm months:
September 86.0 °F
October 85.5 °F
July 85.5 °F
Warmest sea temperature:
September 84.8 °F
October 84.6 °F
August 84.4 °F
The most cold months:
January 79.9 °F
February 80.2 °F
March 81.0 °F
The most rainy months:
September 2 days
July 2 days
August 2 days
The most windy months:
May 6 mph
April 6 mph
June 6 mph
more details
USA Resorts:
NAME
F°
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +72
Sarasota +86
Washington +66
all resorts
24 Hours Weather Forecast
Kailua Kona
Local time: 03:41
15 sep, tuesday
0600 76°F
S
4 mph
0900 80°F
E
4 mph
1200 82°F
E
7 mph
1500 82°F
NE
6 mph
1800 80°F
E
2 mph
2100 80°F
NE
2 mph
16 sep, wednesday
0000 78°F
E
1 mph
0300 78°F
S
5 mph