Weather in La Crosse County, Wisconsin for September 2026
Until now, September 2026 in La Crosse County has been nearly identical to the historical average, with a temperature of 23.6 °F (showing only a slight deviation of 0.1 °F).
The forecast for the next days in La Crosse County predicts a temperature of 16.9 °F, which is cooler than the historical average.
In general, the average temperature in La Crosse County at the beginning of September is 23.3 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 20.7 °F by the end of September.
La Crosse County experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 89.6 mm.
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La Crosse County Weather September
Temperatures trend during September in La Crosse County
September weather in La Crosse County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Partly cloudy | 25° /13° | 0 mm | 5 | |
| Sept. 2 | Sunny | 26° /14° | 19.3 mm | 4 | |
| Sept. 3 | Mist | 23° /13° | 11.5 mm | 4 | |
| Sept. 4 | Sunny | 26° /12° | 5.9 mm | 6 | |
| Sept. 5 | Overcast | 22° /13° | 0.1 mm | 4 | |
| Sept. 6 | Fog | 20° /9° | 0.2 mm | 4 | |
| Sept. 7 | Partly cloudy | 21° /7° | 0 mm | 4 | |
| Sept. 8 | Sunny | 23° /10° | 9.1 mm | 4 | |
| Sept. 9 | Sunny | 27° /13° | 3.9 mm | 6 | |
| Sept. 10 | Patchy rain possible | 26° /12° | 0.1 mm | 6 | |
| Sept. 11 | Partly cloudy | 26° /14° | 0 mm | 6 | |
| Sept. 12 | Sunny | 25° /13° | 2.9 mm | 6 | |
| Sept. 13 | Overcast | 26° /13° | 0 mm | 6 | |
| Sept. 14 | Patchy rain possible | 26° /13° | 8.5 mm | 5 | |
| Sept. 15 | Thundery outbreaks possible | 27° /16° | 7 mm | 4 | |
| Sept. 16 | Sunny | 27° /14° | 1.4 mm | 5 | |
| Sept. 17 | Sunny | 26° /14° | 1.4 mm | 5 | |
| Sept. 18 | Cloudy | 24° /14° | 12.5 mm | 4 | |
| Sept. 19 | Moderate rain at times | 22° /15° | 10.1 mm | 4 | |
| Sept. 20 | Fog | 23° /15° | 42.2 mm | 4 | |
| Sept. 21 | Cloudy | 22° /12° | 1.8 mm | 4 | |
| Sept. 22 | Overcast | 18° /10° | 6.4 mm | 5 | |
| Sept. 23 | Mist | 19° /8° | 0 mm | 5 | |
| Sept. 24 | Mist | 20° /8° | 0.6 mm | 3 | |
| Sept. 25 | Mist | 21° /12° | 0.5 mm | 4 | |
| Sept. 26 | Mist | 26° /11° | 0 mm | 7 | |
| Sept. 27 | Overcast | 19° /14° | 0 mm | 3 | |
| Sept. 28 | Overcast | 20° /15° | 0 mm | 4.5 | |
| Sept. 29 | Overcast | 19° /12° | 13.6 mm | 3.3 | |
| Sept. 30 | Fog | 20° /16° | 4 mm | 1.4 | |
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La Crosse County in September - FAQ
What are the expected maximum and minimum temperatures in La Crosse County during September?
How much rainfall should be expected in La Crosse County during September?
What are the typical wind conditions in La Crosse County during September?
September rainfall patterns in La Crosse County
UV exposure in La Crosse County during September
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Get accurate weather forecasts for La Crosse County, located at latitude 43.801 and longitude -91.24. Stay updated with localized weather information tailored for La Crosse County.