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Weather in Cass County for September 2025

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

    Temperatures

  • In general, the average temperature in Cass County at the beginning of September is 24.6 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 26.7 °F by the end of September.

  • Rain 🌧️

  • Cass County experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 63.3 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
27°/15°
Temperatures
Average wind speed
25 km/h
Avg max wind
Average humidity
53 %
Avg humidity

Cass County Weather September

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Temperatures trend during September in Cass County

See the weather trend as well as the moving average line

September weather day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Overcast
Overcast
23° /11° 0 mm 5
Sept. 2 Sunny
Sunny
26° /11° 0 mm 7
Sept. 3 Sunny
Sunny
30° /18° 0 mm 8
Sept. 4 Moderate rain at times
Moderate rain at times
28° /19° 0.6 mm 6
Sept. 5 Partly cloudy
Partly cloudy
21° /14° 0.2 mm 6
Sept. 6 Patchy rain possible
Patchy rain possible
21° /10° 0.1 mm 5
Sept. 7 Sunny
Sunny
23° /9° 0 mm 6
Sept. 8 Sunny
Sunny
29° /12° 0 mm 7
Sept. 9 Sunny
Sunny
30° /14° 0 mm 8
Sept. 10 Partly cloudy
Partly cloudy
33° /19° 0 mm 8
Sept. 11 Sunny
Sunny
29° /17° 0 mm 7
Sept. 12 Sunny
Sunny
32° /18° 0 mm 8
Sept. 13 Partly cloudy
Partly cloudy
30° /21° 4.1 mm 8
Sept. 14 Sunny
Sunny
29° /19° 0 mm 7
Sept. 15 Cloudy
Cloudy
32° /20° 0 mm 7
Sept. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
31° /19° 14.9 mm 7
Sept. 17 Sunny
Sunny
30° /21° 15 mm 8
Sept. 18 Moderate or heavy rain shower
Moderate or heavy rain shower
27° /22° 24.1 mm 6
Sept. 19 Cloudy
Cloudy
26° /18° 0 mm 6
Sept. 20 Sunny
Sunny
25° /14° 0 mm 7
Sept. 21 Partly cloudy
Partly cloudy
21° /12° 0 mm 6
Sept. 22 Partly cloudy
Partly cloudy
20° /7° 0 mm 6
Sept. 23 Partly cloudy
Partly cloudy
23° /9° 4.2 mm 6
Sept. 24 Patchy rain possible
Patchy rain possible
23° /10° 0.1 mm 5
Sept. 25 Sunny
Sunny
28° /10° 0 mm 7
Sept. 26 Sunny
Sunny
29° /14° 0 mm 7
Sept. 27 Sunny
Sunny
26° /14° 0 mm 7
Sept. 28 Sunny
Sunny
27° /11° 0 mm 7
Sept. 29 Sunny
Sunny
30° /13° 0 mm 8
Sept. 30 Cloudy
Cloudy
24° /13° 0 mm 5
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Important Notice
Our weather forecast for Cass 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 Cass County forecast closer to your planned date for the most up-to-date weather information.

Cass County in September - FAQ

What are the expected maximum and minimum temperatures in Cass County during September?
During September, expect a variety of temperatures with highs around 27° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cass County during September?
Moderate rainfall is anticipated in Cass County during September, with a total of 63.3 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cass County during September?
The average wind speed in Cass County during September is 25 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Cass County

Explore the daily rainfall trends and prepare for Cass Countys September weather 💧

UV exposure in Cass 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 Cass County?

Get accurate weather forecasts for Cass County, located at latitude 46.877 and longitude -96.79. Stay updated with localized weather information tailored for Cass County.

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