14.09
mon
mon
Day

68°F
NW 7 mph
Precip.
1%
1%
Night

63°F
NW 14 mph
Precip.
5%
5%
15.09
tue
tue
Day

75°F
NE 13 mph
Precip.
62%
62%
Night

68°F
S 7 mph
Precip.
36%
36%
16.09
wed
wed
Day

70°F
SW 4 mph
Precip.
15%
15%
Night

68°F
W 6 mph
Precip.
26%
26%
17.09
thu
thu
Day

68°F
SE 7 mph
Precip.
51%
51%
Night

66°F
S 6 mph
Precip.
26%
26%
18.09
fri
fri
Day

73°F
NW 9 mph
Precip.
4%
4%
Night

64°F
NW 9 mph
Precip.
8%
8%
19.09
sat
sat
Day

68°F
N 14 mph
Precip.
17%
17%
Night

66°F
S 14 mph
Precip.
44%
44%
20.09
sun
sun
Day

63°F
SW 17 mph
Precip.
21%
21%
Night

50°F
W 11 mph
Precip.
8%
8%
21.09
mon
mon
Day

59°F
W 8 mph
Precip.
1%
1%
Night

52°F
NW 7 mph
Precip.
8%
8%
22.09
tue
tue
Day

61°F
S 6 mph
Precip.
2%
2%
Night

55°F
SW 6 mph
Precip.
19%
19%
23.09
wed
wed
Day

64°F
NE 6 mph
Precip.
2%
2%
Night

57°F
W 5 mph
Precip.
5%
5%
24.09
thu
thu
Day

66°F
NE 4 mph
Precip.
2%
2%
Night

61°F
N 5 mph
Precip.
11%
11%
25.09
fri
fri
Day

68°F
NE 8 mph
Precip.
13%
13%
Night

63°F
N 8 mph
Precip.
9%
9%
26.09
sat
sat
Day

72°F
NE 11 mph
Precip.
5%
5%
Night

66°F
NE 9 mph
Precip.
6%
6%
27.09
sun
sun
Day

75°F
NE 6 mph
Precip.
2%
2%
Night

72°F
NW 6 mph
Precip.
7%
7%
sea water
temperature
temperature
| Michigan City |
monthly
weather
weather
| Michigan City |
current
weather
weather
| Michigan City |
7 days
forecast
forecast
| Michigan City |
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.
Air temperature in Michigan City, °F
Precipitation total in Michigan City, in.
* Charts above show average data for the last 3 years.
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: 15:58
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



























