World Resorts USA Seward Weather

Seward Sea Temperature in September

Average sea water temperature in September:
+53.3°F
Minimum sea water temperature in September: 56.3°F
Maximum sea water temperature in September: 50.4°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 54.0°F. The highest and lowest sea temperatures during the month were 55.2°F and 52.7°F.

Monthly sea water temperature in Seward, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°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
Miami 85.8°F 86.0°F
Houston 84.9°F 83.4°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
Clearwater Beach 84.0°F 86.2°F
Pensacola Beach 83.9°F 84.5°F
St. George Island 83.5°F 84.0°F
Panama City Beach 83.4°F 84.8°F
Santa Rosa Beach 83.4°F 84.8°F
Fort Walton Beach 83.3°F 84.5°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 Seward

Sunniest months:
January 7 days
November 7 days
March 6 days
Warmest months:
July 60.2 °F
August 59.8 °F
June 57.6 °F
Warmest sea temp:
August 56.0 °F
July 54.8 °F
September 53.3 °F
Coldest months:
December 20.6 °F
January 21.1 °F
February 25.5 °F
Rainiest months:
August 5 days
September 5 days
October 4 days
Windiest months:
December 6.2 mph
January 5.6 mph
February 5.5 mph

Seward on a weather map

Seward
+55°F
SE 6 mph
Feels like: +54°F
Precip.: 6%
Places in USA:
Name
°F
+64°F
+64°F
+79°F
+90°F
+70°F
+81°F
+64°F
+79°F
+64°F
+70°F
+59°F
+68°F
+77°F
+81°F
+70°F
24 Hours Forecast
Seward
Local time: 21:50
August 24, monday
0000
52°F
SE
11 mph
0300
52°F
SE
11 mph
0600
52°F
S
11 mph
0900
54°F
S
7 mph
1200
59°F
N
2 mph
1500
59°F
N
5 mph
1800
55°F
NW
3 mph
2100
54°F
N
1 mph
Units of measurement: °C / °F