Average sea water temperature in September:
+71.9°F
| Minimum sea water temperature in September: | 77.5°F |
| Maximum sea water temperature in September: | 64.6°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 70.9°F. The highest and lowest sea temperatures during the month were 73.4°F and 68.0°F.
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Monthly sea water temperature in Sandusky, °F
Which USA resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Key West | 86.9°F | 87.4°F |
| Islamorada | 86.7°F | 87.3°F |
| Key Largo | 86.6°F | 87.1°F |
| Fort Lauderdale | 86.4°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 |
| 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 |
| Cape Coral | 85.2°F | 86.5°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 |
| Mobile | 84.0°F | 83.5°F |
| Clearwater Beach | 84.0°F | 86.2°F |
Best time for vacation in Sandusky
Sandusky on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Sandusky
Local time: 15:15
December 16, tuesday
1800
36°F
NE
21 mph
21 mph
2100
32°F
NE
23 mph
23 mph
December 17, wednesday
0000
34°F
NE
22 mph
22 mph
0300
34°F
NE
24 mph
24 mph
0600
34°F
NE
25 mph
25 mph
0900
34°F
NE
24 mph
24 mph
1200
34°F
NE
20 mph
20 mph
1500
34°F
E
15 mph
15 mph
