LaPorte County (Michigan City)
September
Weather in LaPorte County, Indiana for September 2026
Your guide to LaPorte County weather in September - trends and predictions
So far, September 2026 in LaPorte County shows a warmer trend than usual by 3.2 °F.
The forecast for the next days in LaPorte County predicts a temperature of 20.5 °F, which is cooler than the historical average.
In general, the average temperature in LaPorte County at the beginning of September is 24.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.1 °F by the end of September.
The climate of LaPorte County 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 🌧️
More
19
Dry days
11
Rainy days
0
Snow days
23°/15°
Temperatures
20 km/h
Avg max wind
73 %
Avg humidity
LaPorte County Weather September
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Temperatures trend during September in LaPorte County
See the weather trend as well as the moving average line
September weather in LaPorte County 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 | 25° /17° | 17.8 mm | 5 | |
| Sept. 14 |  Partly cloudy | 26° /15° | 0.4 mm | 6 | |
| Sept. 15 | Sunny | 29° /19° | 0 mm | 7 | |
| Sept. 16 | Patchy rain possible | 21° /19° | 2 mm | 2.3 | |
| Sept. 17 | Light rain shower | 22° /19° | 8.4 mm | 4.6 | |
| Sept. 18 | Overcast | 23° /18° | 0.3 mm | 5.7 | |
| Sept. 19 | Light rain shower | 23° /16° | 17.4 mm | 4.5 | |
| Sept. 20 | Light rain shower | 20° /15° | 28.4 mm | 4 | |
| Sept. 21 | Light rain shower | 22° /16° | 9.7 mm | 5 | |
| Sept. 22 | Sunny | 20° /18° | 0.5 mm | 6 | |
| Sept. 23 | Overcast | 25° /17° | 0.3 mm | 6 | |
| Sept. 24 | Light rain shower | 23° /19° | 15.2 mm | 5 | |
| Sept. 25 | Light rain shower | 21° /17° | 25.9 mm | 5 | |
| Sept. 26 | Patchy rain possible | 17° /15° | 2.8 mm | 5 | |
| Sept. 27 | Sunny | 15° /13° | 0 mm | 4 | |
| Sept. 28 | Sunny | 15° /11° | 0.1 mm | 4 | |
| Sept. 29 | Overcast | 22° /16° | 0 mm | 6 | |
| Sept. 30 |  Cloudy | 21° /17° | 0 mm | 5 | |
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Important Notice
Our weather forecast for LaPorte County 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 LaPorte County forecast closer to your planned date for the most up-to-date weather information.
Change Month
LaPorte County in September - FAQ
What are the expected maximum and minimum temperatures in LaPorte County 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 LaPorte County during September?
Significant rainfall exceeding 108 mm is expected in LaPorte County during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in LaPorte County during September?
The average wind speed in LaPorte County during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in LaPorte County
Explore the daily rainfall trends and prepare for LaPorte Countys September weather 💧
Typically, LaPorte County has 11 rainy days in September with a total of 108 mm of rainfall.
UV exposure in LaPorte County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is LaPorte County?Get accurate weather forecasts for LaPorte County, located at latitude 41.708 and longitude -86.895. Stay updated with localized weather information tailored for LaPorte County.
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