Average sea water temperature in September:
+69.5°F
| Minimum sea water temperature in September: | 77.2°F |
| Maximum sea water temperature in September: | 63.3°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 73.8°F. The highest and lowest sea temperatures during the month were 77.2°F and 72.0°F.
Monthly sea water temperature in Irvine, °F
Which USA resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Key West | 87.8°F | 86.9°F |
| Key Largo | 87.2°F | 86.6°F |
| Naples | 87.1°F | 86.1°F |
| Siesta Key | 87.0°F | 84.9°F |
| Houston | 87.0°F | 84.9°F |
| Sarasota | 86.9°F | 84.8°F |
| Corpus Christi | 86.8°F | 85.8°F |
| Fort Lauderdale | 86.6°F | 86.4°F |
| West Palm Beach | 86.6°F | 86.2°F |
| New Orleans | 86.4°F | 84.3°F |
| Orange Beach | 86.1°F | 84.0°F |
| Tampa | 86.1°F | 84.3°F |
| Clearwater Beach | 86.0°F | 84.0°F |
| Pensacola Beach | 86.0°F | 83.9°F |
| Panama City Beach | 85.9°F | 83.4°F |
| Miami Beach | 85.8°F | 86.1°F |
| Fort Walton Beach | 85.8°F | 83.3°F |
| Pensacola | 85.7°F | 83.9°F |
| Destin | 85.7°F | 83.1°F |
| Santa Rosa Beach | 85.6°F | 83.4°F |
Best time for vacation in Irvine
Irvine on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Irvine
Local time: 22:18
September 30, wednesday
0000
70°F
N
2 mph
2 mph
0300
70°F
NW
3 mph
3 mph
0600
68°F
N
2 mph
2 mph
0900
73°F
N
2 mph
2 mph
1200
82°F
NE
6 mph
6 mph
1500
84°F
NE
8 mph
8 mph
1800
77°F
NE
6 mph
6 mph
2100
73°F
N
3 mph
3 mph
