LaPorte County (Michigan City)
September
Weather in LaPorte County, Indiana for September 2025
Your guide to LaPorte County weather in September - trends and predictions
In general, the average temperature in LaPorte County at the beginning of September is 22.7 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 20.6 °F by the end of September.
LaPorte County experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 66.5 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
24°/16°
Temperatures
21 km/h
Avg max wind
67 %
Avg humidity
LaPorte County Weather September
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Temperatures trend during September in LaPorte County
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September weather in LaPorte County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 22° /18° | 0 mm | 5 | |
| Sept. 2 |  Sunny | 20° /13° | 0 mm | 6 | |
| Sept. 3 | Sunny | 24° /12° | 0 mm | 6 | |
| Sept. 4 | Sunny | 27° /13° | 0 mm | 7 | |
| Sept. 5 |  Patchy rain possible | 28° /18° | 0.5 mm | 6 | |
| Sept. 6 | Patchy rain possible | 22° /16° | 3.7 mm | 5 | |
| Sept. 7 |  Moderate rain at times | 16° /13° | 2.1 mm | 4 | |
| Sept. 8 | Sunny | 20° /11° | 0 mm | 6 | |
| Sept. 9 | Sunny | 25° /14° | 0 mm | 7 | |
| Sept. 10 | Sunny | 25° /16° | 0 mm | 7 | |
| Sept. 11 | Sunny | 28° /17° | 0 mm | 7 | |
| Sept. 12 | Sunny | 28° /18° | 0 mm | 7 | |
| Sept. 13 | Overcast | 28° /18° | 0 mm | 6 | |
| Sept. 14 |  Partly cloudy | 29° /17° | 0 mm | 7 | |
| Sept. 15 | Sunny | 29° /19° | 0 mm | 7 | |
| Sept. 16 | Sunny | 27° /17° | 0 mm | 7 | |
| Sept. 17 | Sunny | 25° /14° | 0 mm | 7 | |
| Sept. 18 | Overcast | 23° /14° | 0 mm | 5 | |
| Sept. 19 | Overcast | 25° /16° | 0 mm | 6 | |
| Sept. 20 | Moderate or heavy rain shower | 27° /18° | 4.1 mm | 6 | |
| Sept. 21 | Partly cloudy | 26° /19° | 0 mm | 7 | |
| Sept. 22 | Moderate or heavy rain shower | 22° /18° | 25.3 mm | 5 | |
| Sept. 23 | Overcast | 19° /17° | 0.7 mm | 4 | |
| Sept. 24 | Moderate or heavy rain shower | 18° /17° | 21.3 mm | 4 | |
| Sept. 25 |  Heavy rain at times | 21° /16° | 2.9 mm | 5 | |
| Sept. 26 | Overcast | 21° /13° | 0 mm | 5 | |
| Sept. 27 | Overcast | 22° /15° | 0 mm | 5 | |
| Sept. 28 | Patchy rain possible | 20° /17° | 5.9 mm | 5 | |
| Sept. 29 | Overcast | 21° /17° | 0 mm | 5 | |
| Sept. 30 |  Cloudy | 21° /18° | 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.
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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 24° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in LaPorte County during September?
Moderate rainfall is anticipated in LaPorte County during September, with a total of 66.5 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in LaPorte County during September?
The average wind speed in LaPorte County during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in LaPorte County
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UV exposure in LaPorte County during 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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