Current sea water temperature:
+68.5°F
| Minimum sea water temperature in September: | 77.2°F |
| Maximum sea water temperature in September: | 64.4°F |
| Average sea water temperature in September: | 70.3°F |
| more information | |
14 days
forecast
forecast
| Michigan City |
monthly
weather
weather
| Michigan City |
Sea water temperature for the last 10 days:
| September 14 | 68.5°F | September 9 | 69.4°F |
| September 13 | 69.8°F | September 8 | 71.8°F |
| September 12 | 69.3°F | September 7 | 75.0°F |
| September 11 | 68.4°F | September 6 | 74.5°F |
| September 10 | 68.2°F | September 5 | 74.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Michigan City?
Based on the data about daily sea water temperature for the last three years the warmest sea in Michigan City was noticed in August, July and September.
Monthly Sea Temperatures in Michigan City, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 73.5°F. The highest and lowest sea temperatures during the month were 75.4°F and 69.3°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 74.5°F. The highest and lowest sea temperatures during the month were 79.2°F and 68.4°F.
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.
current
weather
weather
| Michigan City |
weather in
September
September
| Michigan City |
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: 15:43
September 14, monday
1800
68°F
N
12 mph
12 mph
2100
63°F
NW
15 mph
15 mph
September 15, tuesday
0000
63°F
NW
14 mph
14 mph
0300
64°F
N
19 mph
19 mph
0600
64°F
N
17 mph
17 mph
0900
64°F
N
11 mph
11 mph
1200
75°F
NE
13 mph
13 mph
1500
79°F
E
10 mph
10 mph
