World Resorts USA Michigan City Weather

Michigan City Sea Temperature in September

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.

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
Islamorada 86.7°F 87.3°F
Key Largo 86.6°F 87.1°F
Fort Lauderdale 86.4°F 86.4°F
West Palm Beach 86.2°F 86.4°F
Everglades 86.2°F 87.0°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
Marco Island 86.0°F 87.2°F
South Padre Island 86.0°F 85.8°F
Corpus Christi 85.8°F 84.7°F
Miami 85.8°F 86.0°F
Sanibel Island 85.7°F 87.0°F
Galveston Island 85.5°F 84.4°F
Galveston 85.5°F 83.7°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

Best time for vacation in Michigan City

Sunniest months:
September 17 days
August 16 days
June 14 days
Warmest months:
July 77.7 °F
August 77.3 °F
June 74.3 °F
Warmest sea temp:
August 74.2 °F
July 73.3 °F
September 70.2 °F
Coldest months:
January 29.5 °F
February 31.4 °F
December 36.4 °F
Rainiest months:
October 3 days
June 3 days
August 2 days
Windiest months:
November 12.3 mph
March 12.1 mph
December 11.9 mph

Michigan City on a weather map

Michigan City
+37°F
E 33 mph
Feels like: +27°F
Precip.: 82%
Places in USA:
Name
°F
+48°F
+73°F
+73°F
+45°F
+52°F
+64°F
+64°F
+68°F
+36°F
+54°F
+46°F
+59°F
+59°F
+59°F
+30°F
24 Hours Forecast
Michigan City
Local time: 00:49
December 29, monday
0300
28°F
E
34 mph
0600
23°F
E
36 mph
0900
23°F
E
35 mph
1200
27°F
SE
34 mph
1500
27°F
SE
30 mph
1800
25°F
SE
27 mph
2100
25°F
SE
27 mph
December 30, tuesday
0000
23°F
SE
25 mph
Units of measurement: °C / °F