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Weather in La Crosse County, Wisconsin for September 2026

Your guide to La Crosse County weather in September - trends and predictions

    Temperatures

  • 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.

  • Rain 🌧️

  • 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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Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/12°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
76 %
Avg humidity

La Crosse County Weather September

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Temperatures trend during September in La Crosse County

See the weather trend as well as the moving average line

September weather in La Crosse County day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Partly cloudy
Partly cloudy
25° /13° 0 mm 5
Sept. 2 Sunny
Sunny
26° /14° 19.3 mm 4
Sept. 3 Mist
Mist
23° /13° 11.5 mm 4
Sept. 4 Sunny
Sunny
26° /12° 5.9 mm 6
Sept. 5 Overcast
Overcast
22° /13° 0.1 mm 4
Sept. 6 Fog
Fog
20° /9° 0.2 mm 4
Sept. 7 Partly cloudy
Partly cloudy
21° /7° 0 mm 4
Sept. 8 Sunny
Sunny
23° /10° 9.1 mm 4
Sept. 9 Sunny
Sunny
27° /13° 3.9 mm 6
Sept. 10 Patchy rain possible
Patchy rain possible
26° /12° 0.1 mm 6
Sept. 11 Partly cloudy
Partly cloudy
26° /14° 0 mm 6
Sept. 12 Sunny
Sunny
25° /13° 2.9 mm 6
Sept. 13 Overcast
Overcast
26° /13° 0 mm 6
Sept. 14 Patchy rain possible
Patchy rain possible
26° /13° 8.5 mm 5
Sept. 15 Thundery outbreaks possible
Thundery outbreaks possible
27° /16° 7 mm 4
Sept. 16 Sunny
Sunny
27° /14° 1.4 mm 5
Sept. 17 Sunny
Sunny
26° /14° 1.4 mm 5
Sept. 18 Cloudy
Cloudy
24° /14° 12.5 mm 4
Sept. 19 Moderate rain at times
Moderate rain at times
22° /15° 10.1 mm 4
Sept. 20 Fog
Fog
23° /15° 42.2 mm 4
Sept. 21 Cloudy
Cloudy
22° /12° 1.8 mm 4
Sept. 22 Overcast
Overcast
18° /10° 6.4 mm 5
Sept. 23 Mist
Mist
19° /8° 0 mm 5
Sept. 24 Mist
Mist
20° /8° 0.6 mm 3
Sept. 25 Mist
Mist
21° /12° 0.5 mm 4
Sept. 26 Mist
Mist
26° /11° 0 mm 7
Sept. 27 Overcast
Overcast
19° /14° 0 mm 3
Sept. 28 Overcast
Overcast
20° /15° 0 mm 4.5
Sept. 29 Overcast
Overcast
19° /12° 13.6 mm 3.3
Sept. 30 Fog
Fog
20° /16° 4 mm 1.4
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Important Notice
Our weather forecast for La Crosse 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 La Crosse County forecast closer to your planned date for the most up-to-date weather information.

La Crosse County in September - FAQ

What are the expected maximum and minimum temperatures in La Crosse County during September?

Enjoy moderate daytime temperatures of up to 24° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in La Crosse County during September?

Moderate rainfall is anticipated in La Crosse County during September, with a total of 89.6 mm spread over approximately 6 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in La Crosse County during September?

The average wind speed in La Crosse County during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in La Crosse County

Explore the daily rainfall trends and prepare for La Crosse Countys September weather 💧
Typically, La Crosse County has 6 rainy days in September with a total of 89.6 mm of rainfall.

UV exposure in La Crosse County during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is La Crosse County?

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.

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