La Crosse (WI)
September
Weather in La Crosse, Wisconsin for September 2027
Your guide to La Crosse weather in September - trends and predictions
In general, the average temperature in La Crosse at the beginning of September is 22.8 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 22.6 °C by the end of September.
La Crosse experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 149 mm.
Is September a good time to visit La Crosse? check out the best time to travel to La Crosse page.
✨ Is September a good time to visit La Crosse? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
22
Dry days
8
Rainy days
0
Snow days
23°/12°
Temperatures
16 km/h
Avg max wind
77 %
Avg humidity
La Crosse Weather September
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Temperatures trend during September in La Crosse
See the weather trend as well as the moving average line
September weather in La Crosse day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 24° /14° | 0 mm | 5 | |
| Sept. 2 |  Moderate rain | 26° /14° | 19.3 mm | 4 | |
| Sept. 3 | Moderate rain | 23° /14° | 11.5 mm | 4 | |
| Sept. 4 |  Light rain | 25° /13° | 5.9 mm | 6 | |
| Sept. 5 |  Overcast | 22° /13° | 0.1 mm | 4 | |
| Sept. 6 |  Fog | 20° /10° | 0.2 mm | 4 | |
| Sept. 7 | Partly cloudy | 20° /8° | 0 mm | 4 | |
| Sept. 8 | Light rain | 23° /10° | 9.1 mm | 4 | |
| Sept. 9 | Light rain | 27° /14° | 3.9 mm | 6 | |
| Sept. 10 |  Patchy rain possible | 26° /12° | 0.1 mm | 6 | |
| Sept. 11 | Partly cloudy | 26° /15° | 0 mm | 6 | |
| Sept. 12 | Light rain | 25° /13° | 2.9 mm | 6 | |
| Sept. 13 | Overcast | 25° /13° | 0 mm | 6 | |
| Sept. 14 | Light rain | 25° /14° | 8.5 mm | 5 | |
| Sept. 15 |  Thundery outbreaks possible | 26° /16° | 7 mm | 4 | |
| Sept. 16 | Patchy rain possible | 27° /14° | 1.4 mm | 5 | |
| Sept. 17 | Patchy rain possible | 25° /15° | 1.4 mm | 5 | |
| Sept. 18 | Moderate rain | 24° /15° | 12.5 mm | 4 | |
| Sept. 19 | Moderate rain | 22° /15° | 10.1 mm | 4 | |
| Sept. 20 |  Heavy rain | 22° /15° | 42.2 mm | 4 | |
| Sept. 21 | Patchy rain possible | 22° /12° | 1.8 mm | 4 | |
| Sept. 22 | Light rain | 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 | 23° /11° | 0 mm | 5 | |
| Sept. 27 | Patchy rain possible | 23° /11° | 1 mm | 4 | |
| Sept. 28 | Fog | 24° /10° | 0 mm | 4 | |
| Sept. 29 | Patchy rain possible | 24° /12° | 1.1 mm | 4 | |
| Sept. 30 | Patchy rain possible | 22° /13° | 1.3 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for La Crosse 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 forecast closer to your planned date for the most up-to-date weather information.
Change Month
La Crosse in September - FAQ
What are the expected maximum and minimum temperatures in La Crosse during September?
Enjoy moderate daytime temperatures of up to 23° 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 during September?
Significant rainfall exceeding 149 mm is expected in La Crosse during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in La Crosse during September?
The average wind speed in La Crosse during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in La Crosse
Explore the daily rainfall trends and prepare for La Crosses September weather 💧
Typically, La Crosse has 8 rainy days in September with a total of 149 mm of rainfall.
UV exposure in La Crosse during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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