Average sea water temperature in September:
+70.4°F
| Minimum sea water temperature in September: | 76.5°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 70.6°F. The highest and lowest sea temperatures during the month were 72.0°F and 69.1°F.
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| Santa Catalina Island |
monthly
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| Santa Catalina Island |
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| Santa Catalina Island |
14 days
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| Santa Catalina Island |
Monthly sea water temperature in Santa Catalina Island, °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 |
| 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 |
| 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 |
| 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 |
| Kauai | 81.5°F | 79.4°F |
| Jacksonville | 81.1°F | 82.0°F |
| Honolulu | 80.6°F | 81.0°F |
| Hawaii | 80.5°F | 80.8°F |
Best time for vacation in Santa Catalina Island
Santa Catalina Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Santa Catalina Island
Local time: 16:54
July 01, wednesday
1800
61°F
E
12 mph
12 mph
2100
57°F
SE
10 mph
10 mph
July 02, thursday
0000
55°F
E
7 mph
7 mph
0300
55°F
E
6 mph
6 mph
0600
59°F
NE
4 mph
4 mph
0900
59°F
NE
6 mph
6 mph
1200
59°F
E
6 mph
6 mph
1500
61°F
NE
11 mph
11 mph
