World Resorts USA Honolulu Weather

Honolulu 7 Days Forecast

14.09
mon
Day
79°F
SW 16 mph
Precip.
4%
Night
77°F
SW 13 mph
Precip.
24%
15.09
tue
Day
81°F
SW 16 mph
Precip.
23%
Night
79°F
SW 17 mph
Precip.
22%
16.09
wed
Day
81°F
SW 19 mph
Precip.
21%
Night
79°F
SW 20 mph
Precip.
27%
17.09
thu
Day
79°F
SW 21 mph
Precip.
25%
Night
79°F
SW 14 mph
Precip.
53%
18.09
fri
Day
81°F
SW 14 mph
Precip.
46%
Night
79°F
SW 13 mph
Precip.
16%
19.09
sat
Day
81°F
W 19 mph
Precip.
21%
Night
77°F
SW 17 mph
Precip.
31%
20.09
sun
Day
79°F
SW 23 mph
Precip.
18%
Night
77°F
W 21 mph
Precip.
20%

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 80.6°F. The highest and lowest sea temperatures during the month were 81.5°F and 80.1°F.

Air temperature in Honolulu, °F

Precipitation total in Honolulu, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Honolulu

Sunniest months:
January 15 days
August 15 days
June 15 days
Warmest months:
September 83.3 °F
August 83.1 °F
July 82.4 °F
Warmest sea temp:
September 80.9 °F
October 80.8 °F
August 80.4 °F
Coldest months:
February 76.2 °F
March 76.4 °F
January 76.6 °F
Rainiest months:
February 3 days
March 3 days
April 2 days
Windiest months:
July 16.5 mph
August 15.6 mph
June 15.1 mph

Honolulu on a weather map

Current weather
10:18
Honolulu
+77°F
SW 17 mph
Feels like: +81°F
Precip.: 11%
Places in USA:
Name
°F
Boston
+72°F
Washington
+79°F
Hawaii
+77°F
Las Vegas
+86°F
Los Angeles
+81°F
Miami
+88°F
Maui
+66°F
Myrtle Beach
+95°F
New York
+77°F
Panama City Beach
+95°F
San Diego
+72°F
San Francisco
+64°F
Santa Monica
+77°F
Sarasota
+91°F
Chicago
+72°F
all places
24 Hours Forecast
Honolulu
Local time: 10:18
September 14, monday
1200
79°F
SW
16 mph
1500
79°F
SW
13 mph
1800
79°F
SW
13 mph
2100
77°F
SW
12 mph
September 15, tuesday
0000
77°F
SW
13 mph
0300
77°F
SW
11 mph
0600
77°F
SW
12 mph
0900
79°F
SW
14 mph
Units of measurement: °C / °F