Columbia (MO)
September
Weather in Columbia, Missouri for September 2026
Your guide to Columbia weather in September - trends and predictions
So far, September 2026 in Columbia is slightly warmer than the historical average by 1.6 °F.
The forecast for the next days in Columbia predicts a temperature of 22.4 °F, which is cooler than the historical average.
In general, the average temperature in Columbia at the beginning of September is 29.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.4 °F by the end of September.
Columbia experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 101.8 mm.
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Temperatures
Rain 🌧️
More
23
Dry days
7
Rainy days
0
Snow days
28°/16°
Temperatures
16 km/h
Avg max wind
65 %
Avg humidity
Columbia Weather September
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Temperatures trend during September in Columbia
See the weather trend as well as the moving average line
September weather in Columbia day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 31° /18° | 0 mm | 7 | |
| Sept. 2 | Sunny | 30° /16° | 0 mm | 7 | |
| Sept. 3 |  Overcast | 30° /17° | 0 mm | 7 | |
| Sept. 4 | Sunny | 31° /16° | 4.3 mm | 7 | |
| Sept. 5 |  Fog | 30° /17° | 0 mm | 6 | |
| Sept. 6 | Fog | 28° /16° | 0.4 mm | 6 | |
| Sept. 7 | Sunny | 28° /13° | 0 mm | 7 | |
| Sept. 8 | Sunny | 30° /12° | 0 mm | 7 | |
| Sept. 9 | Sunny | 29° /14° | 1.9 mm | 7 | |
| Sept. 10 | Sunny | 29° /15° | 115.4 mm | 5 | |
| Sept. 11 |  Partly cloudy | 32° /17° | 0.4 mm | 7 | |
| Sept. 12 | Partly cloudy | 33° /18° | 0 mm | 7 | |
| Sept. 13 |  Patchy rain possible | 30° /19° | 0 mm | 6 | |
| Sept. 14 | Mist | 33° /18° | 1.9 mm | 7 | |
| Sept. 15 | Light rain shower | 31° /21° | 5.5 mm | 6 | |
| Sept. 16 | Light rain shower | 32° /19° | 1.3 mm | 6 | |
| Sept. 17 | Partly cloudy | 33° /19° | 0 mm | 8 | |
| Sept. 18 |  Cloudy | 32° /19° | 1.7 mm | 6 | |
| Sept. 19 | Sunny | 32° /20° | 0.5 mm | 5 | |
| Sept. 20 | Fog | 31° /19° | 1.4 mm | 5 | |
| Sept. 21 |  Moderate or heavy rain shower | 24° /19° | 5.6 mm | 4 | |
| Sept. 22 |  Torrential rain shower | 24° /15° | 28.7 mm | 4 | |
| Sept. 23 | Overcast | 22° /15° | 0 mm | 5 | |
| Sept. 24 | Moderate or heavy rain shower | 21° /14° | 24.7 mm | 5 | |
| Sept. 25 | Fog | 24° /13° | 0.8 mm | 4 | |
| Sept. 26 | Sunny | 26° /13° | 0 mm | 7 | |
| Sept. 27 | Patchy rain possible | 26° /15° | 0.6 mm | 4.3 | |
| Sept. 28 | Overcast | 27° /17° | 0 mm | 5.4 | |
| Sept. 29 | Overcast | 28° /19° | 0.1 mm | 2.9 | |
| Sept. 30 | Overcast | 26° /21° | 1 mm | 1.6 | |
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Important Notice
Our weather forecast for Columbia 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 Columbia forecast closer to your planned date for the most up-to-date weather information.
Change Month
Columbia in September - FAQ
What are the expected maximum and minimum temperatures in Columbia during September?
During September, expect a variety of temperatures with highs around 28° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Columbia during September?
Significant rainfall exceeding 101.8 mm is expected in Columbia during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Columbia during September?
The average wind speed in Columbia during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Columbia
Explore the daily rainfall trends and prepare for Columbias September weather 💧
Typically, Columbia has 7 rainy days in September with a total of 101.8 mm of rainfall.
UV exposure in Columbia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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