Michigan City (IN)
September
Weather in Michigan City, Indiana for September 2026
Your guide to Michigan City weather in September - trends and predictions
Beach Hazards Statement - See hour by hour.
So far, September 2026 in Michigan City shows a warmer trend than usual by 4.4 °F.
Expect cooler weather in the next days in Michigan City with the forecast suggesting a temperature of 21.1 °F, lower than the historical average.
In general, the average temperature in Michigan City at the beginning of September is 24.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.6 °F by the end of September.
The climate of Michigan City in September is notably wet, with an average of 11 rainy days, and a total of 108 mm of precipitation.
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Temperatures
Rain 🌧️
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19
Dry days
11
Rainy days
0
Snow days
23°/15°
Temperatures
20 km/h
Avg max wind
73 %
Avg humidity
Michigan City Weather September
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Temperatures trend during September in Michigan City
See the weather trend as well as the moving average line
September weather in Michigan City day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 27° /17° | 2.4 mm | 5 | |
| Sept. 2 |  Sunny | 26° /17° | 0 mm | 7 | |
| Sept. 3 | Sunny | 28° /16° | 5.4 mm | 6 | |
| Sept. 4 | Sunny | 27° /16° | 4.5 mm | 6 | |
| Sept. 5 |  Patchy rain possible | 24° /17° | 0.2 mm | 6 | |
| Sept. 6 | Patchy rain possible | 22° /15° | 1.2 mm | 5 | |
| Sept. 7 |  Moderate rain at times | 20° /14° | 0.7 mm | 5 | |
| Sept. 8 | Sunny | 24° /11° | 0 mm | 5 | |
| Sept. 9 | Sunny | 24° /14° | 19.3 mm | 4 | |
| Sept. 10 | Sunny | 24° /15° | 0 mm | 5 | |
| Sept. 11 | Sunny | 27° /15° | 0 mm | 7 | |
| Sept. 12 | Sunny | 27° /15° | 0 mm | 6 | |
| Sept. 13 | Overcast | 26° /18° | 26.5 mm | 6 | |
| Sept. 14 | Sunny | 22° /12° | 0 mm | 6.2 | |
| Sept. 15 | Light rain shower | 26° /16° | 16.8 mm | 5.9 | |
| Sept. 16 |  Mist | 21° /18° | 2.7 mm | 2.3 | |
| Sept. 17 | Overcast | 22° /18° | 0.9 mm | 5 | |
| Sept. 18 | Overcast | 25° /18° | 0 mm | 6 | |
| Sept. 19 | Overcast | 30° /19° | 1 mm | 7 | |
| Sept. 20 | Overcast | 21° /17° | 5.2 mm | 5 | |
| Sept. 21 | Light rain shower | 27° /17° | 29.2 mm | 6 | |
| Sept. 22 | Patchy rain possible | 22° /17° | 22 mm | 5 | |
| Sept. 23 | Patchy rain possible | 20° /16° | 0.1 mm | 5 | |
| Sept. 24 | Light rain shower | 16° /11° | 3.1 mm | 4 | |
| Sept. 25 | Light rain shower | 13° /10° | 10 mm | 3 | |
| Sept. 26 | Light rain shower | 15° /12° | 6.2 mm | 4 | |
| Sept. 27 | Patchy rain possible | 15° /13° | 1.5 mm | 4 | |
| Sept. 28 | Patchy rain possible | 21° /16° | 3 mm | 6 | |
| Sept. 29 | Overcast | 22° /16° | 0 mm | 6 | |
| Sept. 30 |  Cloudy | 21° /17° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Michigan City in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Michigan City forecast closer to your planned date for the most up-to-date weather information.
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Michigan City in September - FAQ
What are the expected maximum and minimum temperatures in Michigan City during September?
During September, expect a variety of temperatures with highs around 23° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Michigan City during September?
Significant rainfall exceeding 108 mm is expected in Michigan City during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Michigan City during September?
The average wind speed in Michigan City during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Michigan City
Explore the daily rainfall trends and prepare for Michigan Citys September weather 💧
Typically, Michigan City has 11 rainy days in September with a total of 108 mm of rainfall.
UV exposure in Michigan City during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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