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Weather in Kansas City, Missouri for September 2025

Your guide to Kansas City weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Kansas City has been significantly cooler than historical averages by -5.3 °F, with average temperature of 25.8 °F.

  • Expect cooler weather in the next days in Kansas City with the forecast suggesting a temperature of 29.6 °F, lower than the historical average.

  • In general, the average temperature in Kansas City at the beginning of September is 31 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.7 °F by the end of September.

    • Rain 🌧️

  • With an average of 3 rainy days, Kansas City experiences minimal rainfall in September.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
27
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
35°/13°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
52 %
Avg humidity

Kansas City Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
31°
2
Sunny
31°
3
Moderate or heavy rain shower
32°
4
Moderate or heavy rain shower
31°
5
Overcast
31°
6
Partly cloudy
30°
7
Sunny
31°
8
Sunny
30°
9
Sunny
31°
10
Cloudy
31°
11
Sunny
31°
12
Partly cloudy
33°
13
Sunny
33°
14
Partly cloudy
34°
15
Partly cloudy
35°
16
Moderate rain
35°
17
Patchy rain possible
34°
18
Patchy rain possible
25°
19
Patchy rain possible
29°
20
Patchy rain possible
24°
21
Sunny
29°
22
Patchy rain possible
24°
23
Sunny
27°
24
Sunny
29°
25
Sunny
30°
26
Mist
30°
27
Patchy rain possible
29°
28
Sunny
31°
29
Sunny
29°
30
Sunny
30°

Temperatures trend during September in Kansas City

See the weather trend as well as the moving average line

September weather in Kansas City day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Partly cloudy
Partly cloudy
 31° /17° 9.2 mm 7
Sept. 2 Sunny
Sunny
 31° /16° 0 mm 7
Sept. 3 Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /17° 7.3 mm 7
Sept. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /18° 7.3 mm 7
Sept. 5 Overcast
Overcast
 31° /18° 0.9 mm 7
Sept. 6 Partly cloudy
Partly cloudy
 30° /16° 0 mm 7
Sept. 7 Sunny
Sunny
 31° /15° 0 mm 7
Sept. 8 Sunny
Sunny
 30° /15° 2.3 mm 7
Sept. 9 Sunny
Sunny
 31° /15° 0 mm 7
Sept. 10 Cloudy
Cloudy
 31° /16° 3.2 mm 7
Sept. 11 Sunny
Sunny
 31° /17° 4.1 mm 7
Sept. 12 Partly cloudy
Partly cloudy
 33° /17° 0 mm 8
Sept. 13 Sunny
Sunny
 33° /17° 0 mm 8
Sept. 14 Partly cloudy
Partly cloudy
 34° /24° 0 mm 1.3
Sept. 15 Partly cloudy
Partly cloudy
 35° /21° 0 mm 1.3
Sept. 16 Moderate rain
Moderate rain
 35° /23° 12 mm 1.4
Sept. 17 Patchy rain possible
Patchy rain possible
 34° /18° 2.2 mm 1.2
Sept. 18 Patchy rain possible
Patchy rain possible
 25° /17° 3.2 mm 0
Sept. 19 Patchy rain possible
Patchy rain possible
 29° /17° 0.7 mm 5
Sept. 20 Patchy rain possible
Patchy rain possible
 24° /16° 0.1 mm 4
Sept. 21 Sunny
Sunny
 29° /15° 0 mm 6
Sept. 22 Patchy rain possible
Patchy rain possible
 24° /17° 0.9 mm 4
Sept. 23 Sunny
Sunny
 27° /15° 0 mm 6
Sept. 24 Sunny
Sunny
 29° /16° 0 mm 6
Sept. 25 Sunny
Sunny
 30° /16° 0 mm 6
Sept. 26 Mist
Mist
 30° /18° 0 mm 5
Sept. 27 Patchy rain possible
Patchy rain possible
 29° /18° 0.1 mm 5
Sept. 28 Sunny
Sunny
 31° /14° 0 mm 8
Sept. 29 Sunny
Sunny
 29° /15° 0.9 mm 7
Sept. 30 Sunny
Sunny
 30° /16° 1.6 mm 7
Next
Important Notice
Our weather forecast for Kansas City 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 Kansas City forecast closer to your planned date for the most up-to-date weather information.
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Kansas City in September - FAQ

What are the expected maximum and minimum temperatures in Kansas City during September?
Expect warm days with temperatures around 35°, cooling to mild conditions of 13° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Kansas City during September?
Significant rainfall exceeding 392.5 mm is expected in Kansas City during September, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Kansas City during September?
The average wind speed in Kansas City during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Kansas City

Explore the daily rainfall trends and prepare for Kansas Citys September weather 💧

UV exposure in Kansas City during September

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

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Location coordinates Where is Kansas City?

Get accurate weather forecasts for Kansas City, located at latitude 39.1 and longitude -94.579. Stay updated with localized weather information tailored for Kansas City.

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