World Resorts USA Whidbey Island Weather

Whidbey Island Sea Temperature in September

Average sea water temperature in September:
+57.7°F
Minimum sea water temperature in September: 61.3°F
Maximum sea water temperature in September: 54.7°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 58.4°F. The highest and lowest sea temperatures during the month were 61.3°F and 55.4°F.

Monthly sea water temperature in Whidbey Island, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°F
Key Largo 86.6°F 87.1°F
Fort Lauderdale 86.4°F 86.4°F
West Palm Beach 86.2°F 86.4°F
Everglades 86.2°F 87.0°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
Marco Island 86.0°F 87.2°F
South Padre Island 86.0°F 85.8°F
Corpus Christi 85.8°F 84.7°F
Miami 85.8°F 86.0°F
Sanibel Island 85.7°F 87.0°F
Galveston Island 85.5°F 84.4°F
Galveston 85.5°F 83.7°F
Houston 84.9°F 83.4°F
Siesta Key 84.9°F 86.8°F
Sarasota 84.8°F 86.7°F
Cocoa Beach 84.6°F 85.2°F
Tampa 84.3°F 86.0°F
New Orleans 84.3°F 82.9°F

Best time for vacation in Whidbey Island

Sunniest months:
July 19 days
August 17 days
September 13 days
Warmest months:
August 67.3 °F
July 66.7 °F
September 63.2 °F
Warmest sea temp:
August 59.7 °F
July 58.8 °F
September 57.7 °F
Coldest months:
February 43.0 °F
December 43.1 °F
January 43.2 °F
Rainiest months:
November 4 days
January 4 days
April 3 days
Windiest months:
December 7.5 mph
January 7.5 mph
November 7.0 mph

Whidbey Island on a weather map

Whidbey Island
+50°F
NW 5 mph
Feels like: +46°F
Precip.: 0%
Places in USA:
Name
°F
+19°F
+73°F
+73°F
+59°F
+64°F
+46°F
+54°F
+66°F
+10°F
+59°F
+57°F
+48°F
+45°F
+50°F
+28°F
24 Hours Forecast
Whidbey Island
Local time: 21:54
February 06, friday
0000
48°F
NW
3 mph
0300
46°F
NW
1 mph
0600
46°F
NW
3 mph
0900
45°F
NW
2 mph
1200
52°F
N
4 mph
1500
57°F
N
5 mph
1800
61°F
NW
5 mph
2100
57°F
NW
6 mph
Units of measurement: °C / °F