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:
2026
2025
2024
The average sea water temperature in September of 2026 was 52.7°F. The highest and lowest sea temperatures during the month were 53.4°F and 52.0°F.
Monthly sea water temperature in Seward, °F
Which USA resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Key West | 88.5°F | 86.9°F |
| Naples | 87.8°F | 86.1°F |
| Key Largo | 87.8°F | 86.6°F |
| Siesta Key | 87.7°F | 84.9°F |
| Sarasota | 87.7°F | 84.8°F |
| Cape Coral | 87.5°F | 85.2°F |
| Houston | 87.3°F | 84.9°F |
| Corpus Christi | 87.2°F | 85.8°F |
| Tampa | 87.1°F | 84.3°F |
| St. Petersburg | 87.0°F | 84.1°F |
| Clearwater Beach | 87.0°F | 84.0°F |
| West Palm Beach | 86.8°F | 86.2°F |
| New Orleans | 86.8°F | 84.3°F |
| Fort Lauderdale | 86.7°F | 86.4°F |
| Miami Beach | 86.5°F | 86.1°F |
| Orange Beach | 86.3°F | 84.0°F |
| Pensacola Beach | 86.3°F | 83.9°F |
| Panama City Beach | 86.3°F | 83.4°F |
| Pensacola | 86.3°F | 83.9°F |
| Fort Walton Beach | 86.2°F | 83.3°F |
Best time for vacation in Seward
Seward on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Seward
Local time: 03:02
September 19, saturday
0600
43°F
W
4 mph
4 mph
0900
43°F
S
4 mph
4 mph
1200
43°F
SW
8 mph
8 mph
1500
41°F
S
11 mph
11 mph
1800
41°F
S
9 mph
9 mph
2100
41°F
S
14 mph
14 mph
September 20, sunday
0000
41°F
S
15 mph
15 mph
0300
39°F
S
13 mph
13 mph
