Kansas City (MO)
September
Weather in Kansas City, Missouri for September 2026
Your guide to Kansas City weather in September - trends and predictions
Until now, September 2026 in Kansas City has been significantly warmer than historical averages.
Expect cooler weather in the next days in Kansas City with the forecast suggesting a temperature of 29 °F, lower than the historical average.
In general, the average temperature in Kansas City at the beginning of September is 32.1 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 29.4 °F by the end of September.
The climate of Kansas City in September is notably wet, with an average of 15 rainy days, and a total of 96.7 mm of precipitation.
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Temperatures
Rain 🌧️
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15
Dry days
15
Rainy days
0
Snow days
30°/17°
Temperatures
18 km/h
Avg max wind
54 %
Avg humidity
Kansas City Weather September
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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
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 32° /18° | 7.6 mm | 8 | |
| Sept. 2 | Sunny | 32° /18° | 0 mm | 8 | |
| Sept. 3 |  Moderate or heavy rain shower | 33° /18° | 6.1 mm | 7 | |
| Sept. 4 | Sunny | 33° /19° | 6.1 mm | 8 | |
| Sept. 5 |  Overcast | 32° /18° | 0.8 mm | 6 | |
| Sept. 6 |  Partly cloudy | 31° /17° | 0.2 mm | 7 | |
| Sept. 7 | Sunny | 32° /16° | 7 mm | 8 | |
| Sept. 8 | Sunny | 32° /16° | 2 mm | 7 | |
| Sept. 9 | Sunny | 31° /16° | 6.1 mm | 7 | |
| Sept. 10 |  Cloudy | 31° /17° | 7.3 mm | 6 | |
| Sept. 11 | Sunny | 30° /19° | 0 mm | 7.1 | |
| Sept. 12 | Sunny | 33° /22° | 0 mm | 7 | |
| Sept. 13 | Sunny | 30° /23° | 3.6 mm | 6.2 | |
| Sept. 14 | Sunny | 37° /23° | 1.1 mm | 7.5 | |
| Sept. 15 | Sunny | 37° /28° | 0 mm | 9 | |
| Sept. 16 | Overcast | 31° /18° | 5.6 mm | 7 | |
| Sept. 17 |  Light rain shower | 24° /16° | 9.5 mm | 6 | |
| Sept. 18 | Sunny | 24° /13° | 0 mm | 6 | |
| Sept. 19 | Sunny | 25° /15° | 0 mm | 6 | |
| Sept. 20 | Sunny | 26° /16° | 0 mm | 7 | |
| Sept. 21 | Sunny | 27° /15° | 0 mm | 7 | |
| Sept. 22 | Patchy rain possible | 24° /19° | 1.4 mm | 6 | |
| Sept. 23 | Sunny | 31° /18° | 0 mm | 8 | |
| Sept. 24 | Overcast | 27° /21° | 6 mm | 7 | |
| Sept. 25 | Sunny | 28° /13° | 0 mm | 7 | |
| Sept. 26 | Sunny | 30° /14° | 0 mm | 7 | |
| Sept. 27 | Sunny | 31° /15° | 0.2 mm | 7 | |
| Sept. 28 | Sunny | 31° /14° | 0 mm | 7 | |
| Sept. 29 | Sunny | 30° /16° | 0.8 mm | 7 | |
| Sept. 30 | Sunny | 29° /16° | 1.3 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 30°, cooling to mild conditions of 17° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Kansas City during September?
Moderate rainfall is anticipated in Kansas City during September, with a total of 96.7 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Kansas City during September?
The average wind speed in Kansas City during September is 18 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 💧
Typically, Kansas City has 15 rainy days in September with a total of 96.7 mm of rainfall.
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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