Missouri (Kansas City)
September
Weather in Missouri for September 2026
Your guide to Missouri weather in September - trends and predictions
In general, the average temperature in Missouri 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.
The climate of Missouri in September is notably wet, with an average of 15 rainy days, and a total of 96.7 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
15
Dry days
15
Rainy days
0
Snow days
30°/17°
Temperatures
18 km/h
Avg max wind
54 %
Avg humidity
Missouri Weather September
Move between months or click on a day
What’s the Weather Like in Missouri This September?
Discover the average temperatures and weather trends across Missouri’s cities this September.
Temperatures trend during September in Missouri
See the weather trend as well as the moving average line
September weather in Missouri day by day
Click on a date for more information
| 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 Missouri 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 Missouri forecast closer to your planned date for the most up-to-date weather information.
Change Month
Missouri in September - FAQ
What are the expected maximum and minimum temperatures in Missouri 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 Missouri during September?
Moderate rainfall is anticipated in Missouri 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 Missouri during September?
The average wind speed in Missouri during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Missouri
Explore the daily rainfall trends and prepare for Missouris September weather 💧
Typically, Missouri has 15 rainy days in September with a total of 96.7 mm of rainfall.
UV exposure in Missouri during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Counties in Missouri
Select a county for an accurate weather forecast
Top locations in Missouri
Select a location for an accurate weather forecast
More Locations Quick links
More Missouri weather pages
You are here
Where is Missouri?Get accurate weather forecasts for Missouri, located at latitude 39.1 and longitude -94.579. Stay updated with localized weather information tailored for Missouri.
Found a mistake?
We appreciate your attention to details. Tell us here.