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Weather in Columbia County, Wisconsin for September 2027

Your guide to Columbia County weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Columbia County at the beginning of September is 23.2 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 22.7 °C by the end of September.

  • Rain 🌧️

  • Columbia County experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 101.9 mm.

  • More

  • Is September a good time to visit Columbia County? check out the best time to travel to Columbia County page.

  • ✨ Is September a good time to visit Columbia County? – Ask the AI Weatherman

Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/12°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Columbia County Weather September

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Temperatures trend during September in Columbia County

See the weather trend as well as the moving average line

September weather in Columbia County day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
26° /13° 0 mm 5
Sept. 2 Sunny
Sunny
26° /14° 0.4 mm 5
Sept. 3 Heavy rain
Heavy rain
23° /13° 30.5 mm 4
Sept. 4 Light rain
Light rain
25° /11° 2.9 mm 6
Sept. 5 Light rain
Light rain
22° /13° 2.8 mm 4
Sept. 6 Overcast
Overcast
19° /9° 0 mm 3
Sept. 7 Sunny
Sunny
22° /6° 0 mm 4
Sept. 8 Sunny
Sunny
22° /8° 0.9 mm 4
Sept. 9 Sunny
Sunny
26° /14° 0.4 mm 5
Sept. 10 Partly cloudy
Partly cloudy
25° /13° 0 mm 6
Sept. 11 Partly cloudy
Partly cloudy
26° /14° 0 mm 6
Sept. 12 Sunny
Sunny
26° /14° 0.1 mm 5
Sept. 13 Overcast
Overcast
24° /14° 0.1 mm 6
Sept. 14 Patchy rain possible
Patchy rain possible
25° /12° 1.2 mm 6
Sept. 15 Patchy rain possible
Patchy rain possible
27° /15° 2.3 mm 4
Sept. 16 Sunny
Sunny
26° /14° 0 mm 5
Sept. 17 Partly cloudy
Partly cloudy
24° /14° 0.1 mm 5
Sept. 18 Light rain
Light rain
24° /13° 6.7 mm 5
Sept. 19 Moderate rain
Moderate rain
22° /14° 22.5 mm 4
Sept. 20 Moderate rain
Moderate rain
21° /15° 21.3 mm 4
Sept. 21 Fog
Fog
22° /12° 0.4 mm 4
Sept. 22 Light rain
Light rain
19° /12° 3.8 mm 4
Sept. 23 Patchy rain possible
Patchy rain possible
20° /10° 2 mm 5
Sept. 24 Fog
Fog
20° /10° 0 mm 4
Sept. 25 Patchy rain possible
Patchy rain possible
21° /12° 1 mm 4
Sept. 26 Mist
Mist
24° /11° 0 mm 5
Sept. 27 Fog
Fog
24° /12° 0 mm 4
Sept. 28 Sunny
Sunny
24° /11° 0 mm 5
Sept. 29 Sunny
Sunny
25° /12° 0.1 mm 4.9
Sept. 30 Patchy rain possible
Patchy rain possible
22° /14° 2.3 mm 4
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Important Notice
Our weather forecast for Columbia 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 Columbia County forecast closer to your planned date for the most up-to-date weather information.

Columbia County in September - FAQ

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

Significant rainfall exceeding 101.9 mm is expected in Columbia County during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Columbia County during September?

The average wind speed in Columbia County during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Columbia County

Explore the daily rainfall trends and prepare for Columbia Countys September weather 💧
Typically, Columbia County has 7 rainy days in September with a total of 101.9 mm of rainfall.

UV exposure in Columbia County during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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