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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 76 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 80 °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 2.49 in.

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Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
80°/59°
Temperatures
Average wind speed
15.5 mph
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 in Cass County day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Overcast
Overcast
73° /51° 0 in 5
Sept. 2 Sunny
Sunny
78° /51° 0 in 7
Sept. 3 Sunny
Sunny
86° /64° 0 in 8
Sept. 4 Moderate rain at times
Moderate rain at times
82° /66° 0.02 in 6
Sept. 5 Partly cloudy
Partly cloudy
69° /57° 0.01 in 6
Sept. 6 Patchy rain possible
Patchy rain possible
69° /50° 0 in 5
Sept. 7 Sunny
Sunny
73° /48° 0 in 6
Sept. 8 Sunny
Sunny
84° /53° 0 in 7
Sept. 9 Sunny
Sunny
86° /57° 0 in 8
Sept. 10 Partly cloudy
Partly cloudy
91° /66° 0 in 8
Sept. 11 Sunny
Sunny
84° /62° 0 in 7
Sept. 12 Sunny
Sunny
89° /64° 0 in 8
Sept. 13 Partly cloudy
Partly cloudy
86° /69° 0.16 in 8
Sept. 14 Sunny
Sunny
84° /66° 0 in 7
Sept. 15 Cloudy
Cloudy
89° /68° 0 in 7
Sept. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
87° /66° 0.59 in 7
Sept. 17 Sunny
Sunny
86° /69° 0.59 in 8
Sept. 18 Moderate or heavy rain shower
Moderate or heavy rain shower
80° /71° 0.95 in 6
Sept. 19 Cloudy
Cloudy
78° /64° 0 in 6
Sept. 20 Sunny
Sunny
77° /57° 0 in 7
Sept. 21 Partly cloudy
Partly cloudy
69° /53° 0 in 6
Sept. 22 Partly cloudy
Partly cloudy
68° /44° 0 in 6
Sept. 23 Partly cloudy
Partly cloudy
73° /48° 0.17 in 6
Sept. 24 Patchy rain possible
Patchy rain possible
73° /50° 0 in 5
Sept. 25 Sunny
Sunny
82° /50° 0 in 7
Sept. 26 Sunny
Sunny
84° /57° 0 in 7
Sept. 27 Sunny
Sunny
78° /57° 0 in 7
Sept. 28 Sunny
Sunny
80° /51° 0 in 7
Sept. 29 Sunny
Sunny
86° /55° 0 in 8
Sept. 30 Cloudy
Cloudy
75° /55° 0 in 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 80° and lows near 59°, 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 2.49 in 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 15.5 mph, 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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