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:
2026
2025
2024
The average sea water temperature in September of 2026 was 57.9°F. The highest and lowest sea temperatures during the month were 59.9°F and 55.2°F.
sea water
temperature
temperature
| Whidbey Island |
monthly
weather
weather
| Whidbey Island |
current
weather
weather
| Whidbey Island |
14 days
forecast
forecast
| Whidbey Island |
Monthly sea water temperature in Whidbey Island, °F
Which USA resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Key West | 87.8°F | 86.9°F |
| Key Largo | 87.2°F | 86.6°F |
| Naples | 87.0°F | 86.1°F |
| Galveston | 87.0°F | 85.5°F |
| Siesta Key | 86.9°F | 84.9°F |
| Houston | 86.9°F | 84.9°F |
| Corpus Christi | 86.8°F | 85.8°F |
| Sarasota | 86.8°F | 84.8°F |
| West Palm Beach | 86.6°F | 86.2°F |
| Fort Lauderdale | 86.6°F | 86.4°F |
| New Orleans | 86.4°F | 84.3°F |
| Cape Coral | 86.3°F | 85.2°F |
| Orange Beach | 86.0°F | 84.0°F |
| Pensacola Beach | 85.9°F | 83.9°F |
| Tampa | 85.9°F | 84.3°F |
| Clearwater Beach | 85.9°F | 84.0°F |
| Bay Saint Louis | 85.9°F | 84.0°F |
| Miami Beach | 85.8°F | 86.1°F |
| Panama City Beach | 85.8°F | 83.4°F |
| Fort Walton Beach | 85.7°F | 83.3°F |
Best time for vacation in Whidbey Island
Whidbey Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Whidbey Island
Local time: 15:48
October 27, tuesday
1800
50°F
SE
9 mph
9 mph
2100
48°F
NW
11 mph
11 mph
October 28, wednesday
0000
48°F
N
12 mph
12 mph
0300
46°F
NE
6 mph
6 mph
0600
46°F
W
2 mph
2 mph
0900
46°F
NW
6 mph
6 mph
1200
50°F
N
9 mph
9 mph
1500
50°F
SE
3 mph
3 mph
