Measurements:
°C
°F
CURRENT WEATHER
08:42
Michigan City
66°F
NE 11 mph
Feels like: 66°F
Precip: 64%
World Resorts USA Michigan City Weather

7 Day Weather Forecast

09.15
tue
DAY
74°F
N 13 mph
precip
27%
NIGHT
74°F
S 1 mph
precip
67%
09.16
wed
DAY
72°F
SW 6 mph
precip
42%
NIGHT
70°F
W 2 mph
precip
76%
09.17
thu
DAY
74°F
S 6 mph
precip
25%
NIGHT
68°F
SW 7 mph
precip
27%
09.18
fri
DAY
78°F
NW 8 mph
precip
10%
NIGHT
66°F
NW 14 mph
precip
30%
09.19
sat
DAY
86°F
NE 14 mph
precip
4%
NIGHT
80°F
E 7 mph
precip
11%
09.20
sun
DAY
76°F
E 6 mph
precip
50%
NIGHT
70°F
W 9 mph
precip
69%
09.21
mon
DAY
76°F
NE 6 mph
precip
41%
NIGHT
70°F
NW 6 mph
precip
78%

Michigan City Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Michigan City was 22.0°F. The maximum and minimum values were 19.0°F and 24.1°F respectively.

Michigan City on the Weather Map

Best Time to Visit Michigan City
The most sunny months:
September 17 days
June 15 days
July 15 days
The most warm months:
July 81.6 °F
August 80.5 °F
June 77.3 °F
Warmest sea temperature:
August 76.8 °F
July 76.1 °F
September 72.4 °F
The most cold months:
January 26.6 °F
February 30.3 °F
December 34.8 °F
The most rainy months:
October 3 days
June 3 days
August 2 days
The most windy months:
March 12 mph
November 12 mph
December 12 mph
more details