World Resorts USA Washington Weather

Washington Sea Temperature in September

Average sea water temperature in September:
+74.8°F
Minimum sea water temperature in September: 85.5°F
Maximum sea water temperature in September: 66.7°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 74.7°F. The highest and lowest sea temperatures during the month were 77.7°F and 72.7°F.

Monthly sea water temperature in Washington, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°F
Fort Lauderdale 86.4°F 86.4°F
West Palm Beach 86.2°F 86.4°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
Corpus Christi 85.8°F 84.7°F
Miami 85.8°F 86.0°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
St. Petersburg 84.1°F 86.1°F
Clearwater Beach 84.0°F 86.2°F
Panama City Beach 83.4°F 84.8°F
Destin 83.1°F 84.5°F
Orlando 82.8°F 83.6°F
Daytona Beach 82.7°F 83.2°F
St. Augustine 81.8°F 82.7°F

Best time for vacation in Washington

Sunniest months:
November 16 days
June 15 days
October 15 days
Warmest months:
July 89.1 °F
August 86.2 °F
June 83.0 °F
Warmest sea temp:
July 81.2 °F
August 79.9 °F
June 75.6 °F
Coldest months:
January 39.5 °F
February 43.8 °F
December 45.9 °F
Rainiest months:
August 5 days
May 5 days
June 5 days
Windiest months:
April 9.0 mph
March 9.0 mph
February 8.4 mph

Washington on a weather map

Washington
+72°F
N 8 mph
Feels like: +77°F
Precip.: 8%
Places in USA:
Name
°F
+64°F
+77°F
+86°F
+61°F
+77°F
+84°F
+72°F
+73°F
+68°F
+63°F
+54°F
+77°F
+77°F
+79°F
+66°F
24 Hours Forecast
Washington
Local time: 03:58
June 26, friday
0600
72°F
NE
6 mph
0900
77°F
NE
6 mph
1200
90°F
E
5 mph
1500
88°F
SE
5 mph
1800
73°F
SW
10 mph
2100
70°F
SW
7 mph
June 27, saturday
0000
68°F
S
2 mph
0300
66°F
NW
2 mph
Units of measurement: °C / °F