Boone County (Columbia)
September
Weather in Boone County for September 2025
Your guide to Boone County weather in September - trends and predictions
In general, the average temperature in Boone County at the beginning of September is 28.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.3 °F by the end of September.
Boone County experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 117.1 mm.
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Temperatures
Rain 🌧️
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24
Dry days
6
Rainy days
0
Snow days
28°/15°
Temperatures
18 km/h
Avg max wind
61 %
Avg humidity
Boone County Weather September
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  32° | 2 27° | 3  28° | 4 31° | 5  33° | 6 27° | |
| 7 24° | 8 27° | 9 31° | 10 33° | 11  35° | 12 33° | 13  25° |
| 14 32° | 15 24° | 16 28° | 17 31° | 18  29° | 19 33° | 20 33° |
| 21  26° | 22  23° | 23 18° | 24 21° | 25 25° | 26 26° | 27 24° |
| 28 23° | 29 24° | 30 27° |
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Temperatures trend during September in Boone County
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Sunny | 32° /17° | 0 mm | 8 | |
| Sept. 2 | Sunny | 27° /13° | 0 mm | 7 | |
| Sept. 3 | Overcast | 28° /14° | 0 mm | 6 | |
| Sept. 4 | Sunny | 31° /13° | 0 mm | 8 | |
| Sept. 5 | Fog | 33° /17° | 0 mm | 7 | |
| Sept. 6 | Fog | 27° /15° | 1.3 mm | 6 | |
| Sept. 7 | Sunny | 24° /9° | 0 mm | 6 | |
| Sept. 8 | Sunny | 27° /8° | 0 mm | 7 | |
| Sept. 9 | Sunny | 31° /10° | 0 mm | 8 | |
| Sept. 10 | Sunny | 33° /12° | 0 mm | 8 | |
| Sept. 11 | Partly cloudy | 35° /15° | 0 mm | 9 | |
| Sept. 12 | Partly cloudy | 33° /17° | 0 mm | 8 | |
| Sept. 13 | Patchy rain possible | 25° /18° | 0.1 mm | 6 | |
| Sept. 14 | Mist | 32° /17° | 0 mm | 7 | |
| Sept. 15 | Light rain shower | 24° /18° | 2.3 mm | 5 | |
| Sept. 16 | Light rain shower | 28° /18° | 3 mm | 6 | |
| Sept. 17 | Partly cloudy | 31° /17° | 0 mm | 8 | |
| Sept. 18 | Cloudy | 29° /18° | 0 mm | 6 | |
| Sept. 19 | Sunny | 33° /17° | 0 mm | 8 | |
| Sept. 20 | Fog | 33° /21° | 0 mm | 7 | |
| Sept. 21 | Moderate or heavy rain shower | 26° /22° | 16.3 mm | 6 | |
| Sept. 22 | Torrential rain shower | 23° /18° | 71.7 mm | 5 | |
| Sept. 23 | Overcast | 18° /15° | 0 mm | 4 | |
| Sept. 24 | Moderate or heavy rain shower | 21° /15° | 22.4 mm | 5 | |
| Sept. 25 | Fog | 25° /13° | 0 mm | 6 | |
| Sept. 26 | Sunny | 26° /12° | 0 mm | 7 | |
| Sept. 27 | Overcast | 24° /13° | 0 mm | 5 | |
| Sept. 28 | Overcast | 23° /16° | 0 mm | 5 | |
| Sept. 29 | Cloudy | 24° /14° | 0 mm | 5 | |
| Sept. 30 | Fog | 27° /14° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Boone County 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 Boone County forecast closer to your planned date for the most up-to-date weather information.
Boone County in September - FAQ
What are the expected maximum and minimum temperatures in Boone County during September?
During September, expect a variety of temperatures with highs around 28° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Boone County during September?
Significant rainfall exceeding 117.1 mm is expected in Boone County during September, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Boone County during September?
The average wind speed in Boone County during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Boone County
Explore the daily rainfall trends and prepare for Boone Countys September weather 💧
UV exposure in Boone County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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