Average sea water temperature in September:
+70.2°F
| Minimum sea water temperature in September: | 77.2°F |
| Maximum sea water temperature in September: | 64.4°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.8°F. The highest and lowest sea temperatures during the month were 72.0°F and 64.8°F.
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| Michigan City |
monthly
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| Michigan City |
current
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| Michigan City |
14 days
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| Michigan City |
Monthly sea water temperature in Michigan City, °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 |
| West Palm Beach | 86.2°F | 86.4°F |
| Miami Beach | 86.1°F | 86.3°F |
| Naples | 86.1°F | 87.2°F |
| Miami | 85.8°F | 86.0°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 |
| Clearwater Beach | 84.0°F | 86.2°F |
| Pensacola Beach | 83.9°F | 84.5°F |
| St. George Island | 83.5°F | 84.0°F |
| Panama City Beach | 83.4°F | 84.8°F |
| Santa Rosa Beach | 83.4°F | 84.8°F |
| Fort Walton Beach | 83.3°F | 84.5°F |
| Destin | 83.1°F | 84.5°F |
| Orlando | 82.8°F | 83.6°F |
Best time for vacation in Michigan City
Michigan City on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Michigan City
Local time: 12:28
August 05, wednesday
1500
79°F
NE
7 mph
7 mph
1800
77°F
SE
12 mph
12 mph
2100
75°F
W
6 mph
6 mph
August 06, thursday
0000
72°F
NW
4 mph
4 mph
0300
68°F
NW
5 mph
5 mph
0600
68°F
N
4 mph
4 mph
0900
70°F
N
9 mph
9 mph
1200
75°F
NE
14 mph
14 mph
