Kansas City (MO)
September
Weather in Kansas City, Missouri for September 2026
Your guide to Kansas City weather in September - trends and predictions
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 29.4 °F by the end of September.
With an average of 3 rainy days, Kansas City experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
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27
Dry days
3
Rainy days
0
Snow days
35°/13°
Temperatures
19 km/h
Avg max wind
52 %
Avg humidity
Kansas City Weather September
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Temperatures trend during September in Kansas City
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September weather in Kansas City day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Partly cloudy | 31° /17° | 9.2 mm | 7 | |
| Sept. 2 |  Sunny | 31° /16° | 0 mm | 7 | |
| Sept. 3 |  Moderate or heavy rain shower | 32° /17° | 7.3 mm | 7 | |
| Sept. 4 | Moderate or heavy rain shower | 31° /18° | 7.3 mm | 7 | |
| Sept. 5 |  Overcast | 31° /18° | 0.9 mm | 7 | |
| Sept. 6 | Partly cloudy | 30° /16° | 0 mm | 7 | |
| Sept. 7 | Sunny | 31° /15° | 0 mm | 7 | |
| Sept. 8 | Sunny | 30° /15° | 2.3 mm | 7 | |
| Sept. 9 | Sunny | 31° /15° | 0 mm | 7 | |
| Sept. 10 |  Cloudy | 31° /16° | 3.2 mm | 7 | |
| Sept. 11 | Sunny | 31° /17° | 4.1 mm | 7 | |
| Sept. 12 | Partly cloudy | 33° /17° | 0 mm | 8 | |
| Sept. 13 | Sunny | 33° /17° | 0 mm | 8 | |
| Sept. 14 | Overcast | 33° /18° | 0.1 mm | 7 | |
| Sept. 15 | Overcast | 32° /17° | 0 mm | 7 | |
| Sept. 16 | Sunny | 31° /18° | 0.3 mm | 7 | |
| Sept. 17 | Moderate rain at times | 33° /18° | 1 mm | 8 | |
| Sept. 18 | Sunny | 32° /18° | 4.2 mm | 7 | |
| Sept. 19 | Sunny | 35° /20° | 0 mm | 8 | |
| Sept. 20 | Moderate or heavy rain shower | 31° /20° | 5.6 mm | 7 | |
| Sept. 21 |  Thundery outbreaks possible | 29° /17° | 2.5 mm | 7 | |
| Sept. 22 | Sunny | 26° /15° | 26.5 mm | 6 | |
| Sept. 23 | Moderate or heavy rain shower | 24° /14° | 14.4 mm | 6 | |
| Sept. 24 | Partly cloudy | 27° /15° | 5.4 mm | 6 | |
| 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 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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