Average sea water temperature in September:
+73.6°F
| Minimum sea water temperature in September: | 79.7°F |
| Maximum sea water temperature in September: | 68.5°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 76.5°F. The highest and lowest sea temperatures during the month were 78.4°F and 74.1°F.
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| South Bethany |
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| South Bethany |
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| South Bethany |
14 days
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| South Bethany |
Monthly sea water temperature in South Bethany, °F
Which USA resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Key West | 88.4°F | 86.9°F |
| Key Largo | 87.8°F | 86.6°F |
| Naples | 87.8°F | 86.1°F |
| Siesta Key | 87.7°F | 84.9°F |
| Sarasota | 87.6°F | 84.8°F |
| Cape Coral | 87.4°F | 85.2°F |
| Houston | 87.3°F | 84.9°F |
| Corpus Christi | 87.2°F | 85.8°F |
| Tampa | 87.0°F | 84.3°F |
| Clearwater Beach | 86.9°F | 84.0°F |
| West Palm Beach | 86.8°F | 86.2°F |
| Fort Lauderdale | 86.7°F | 86.4°F |
| New Orleans | 86.7°F | 84.3°F |
| Miami Beach | 86.5°F | 86.1°F |
| Bay Saint Louis | 86.4°F | 84.0°F |
| Pensacola Beach | 86.3°F | 83.9°F |
| Orange Beach | 86.3°F | 84.0°F |
| Panama City Beach | 86.3°F | 83.4°F |
| Pensacola | 86.2°F | 83.9°F |
| Fort Walton Beach | 86.2°F | 83.3°F |
Best time for vacation in South Bethany
South Bethany on a weather map
Places in USA:
Name
°F
24 Hours Forecast
South Bethany
Local time: 10:57
September 20, sunday
1200
73°F
N
14 mph
14 mph
1500
73°F
N
16 mph
16 mph
1800
73°F
N
16 mph
16 mph
2100
73°F
N
15 mph
15 mph
September 21, monday
0000
73°F
NE
11 mph
11 mph
0300
73°F
NE
11 mph
11 mph
0600
72°F
SE
10 mph
10 mph
0900
72°F
SW
15 mph
15 mph
