Weather in LaPorte County, Indiana for September 2025
Until now, September 2025 in LaPorte County is slightly cooler than the historical average by -1.6 °F.
The forecast for the upcoming days in LaPorte County predicts a temperature of 26.2 °F, which is slightly above the historical average.
In general, the average temperature in LaPorte County at the beginning of September is 21.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 25.9 °F by the end of September.
LaPorte County experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 66.5 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
LaPorte County Weather September
Temperatures trend during September in LaPorte County
September weather in LaPorte County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 24° /15° | 0 mm | 6 | |
| Sept. 2 |  Sunny | 22° /14° | 0 mm | 6 | |
| Sept. 3 | Sunny | 24° /13° | 8.1 mm | 6 | |
| Sept. 4 | Sunny | 22° /13° | 6.7 mm | 6 | |
| Sept. 5 |  Patchy rain possible | 23° /15° | 0.2 mm | 5 | |
| Sept. 6 | Patchy rain possible | 20° /14° | 1.9 mm | 5 | |
| Sept. 7 |  Moderate rain at times | 18° /13° | 1 mm | 4 | |
| Sept. 8 | Sunny | 21° /10° | 0 mm | 6 | |
| Sept. 9 | Sunny | 23° /11° | 0 mm | 6 | |
| Sept. 10 | Sunny | 24° /14° | 0 mm | 6 | |
| Sept. 11 | Sunny | 27° /16° | 0 mm | 7 | |
| Sept. 12 | Sunny | 26° /15° | 0 mm | 6 | |
| Sept. 13 | Overcast | 26° /18° | 26.5 mm | 6 | |
| Sept. 14 |  Partly cloudy | 28° /17° | 0.6 mm | 7 | |
| Sept. 15 | Sunny | 28° /15° | 0 mm | 1.5 | |
| Sept. 16 | Sunny | 27° /16° | 0 mm | 1.4 | |
| Sept. 17 |  Fog | 24° /14° | 0 mm | 1.4 | |
| Sept. 18 | Sunny | 26° /18° | 0 mm | 1.4 | |
| Sept. 19 | Sunny | 26° /18° | 0 mm | 0 | |
| Sept. 20 | Partly cloudy | 26° /16° | 0 mm | 6 | |
| Sept. 21 | Patchy rain possible | 24° /18° | 1.5 mm | 5 | |
| Sept. 22 | Patchy rain possible | 23° /18° | 0.8 mm | 5 | |
| Sept. 23 | Patchy rain possible | 24° /19° | 1 mm | 5 | |
| Sept. 24 | Sunny | 23° /17° | 0 mm | 5 | |
| Sept. 25 | Sunny | 29° /17° | 0 mm | 6 | |
| Sept. 26 | Sunny | 30° /19° | 0 mm | 6 | |
| Sept. 27 | Sunny | 29° /19° | 0 mm | 6 | |
| Sept. 28 | Sunny | 28° /18° | 0 mm | 6 | |
| Sept. 29 | Overcast | 21° /17° | 0 mm | 5 | |
| Sept. 30 |  Cloudy | 21° /18° | 0 mm | 5 | |
| Next | |||||
LaPorte County in September - FAQ
September rainfall patterns in LaPorte County
UV exposure in LaPorte County during September
Quick links
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.