easeweather.com
Boone County (Columbia)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbia (MO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fayetteville (NC)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Riverside (CA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Sitka (AK)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in Boone County, Missouri for September 2025

Your guide to Boone County weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Boone County is slightly cooler than the historical average by -1.8 °F.

  • The forecast for the upcoming days in Boone County predicts a temperature of 32.4 °F, which is slightly above the historical average.

  • In general, the average temperature in Boone County at the beginning of September is 26.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 32.1 °F by the end of September.

    • Rain 🌧️

  • Boone County experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 117.1 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/15°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
61 %
Avg humidity

Boone County Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
28°
2
Sunny
27°
3
Overcast
26°
4
Sunny
28°
5
Fog
26°
6
Fog
25°
7
Sunny
25°
8
Sunny
26°
9
Sunny
27°
10
Sunny
30°
11
Partly cloudy
34°
12
Partly cloudy
34°
13
Patchy rain possible
31°
14
Mist
34°
15
Moderate rain
34°
16
Thundery outbreaks possible
31°
17
Sunny
32°
18
Moderate rain
36°
19
Patchy rain possible
23°
20
Patchy rain possible
29°
21
Patchy rain possible
26°
22
Sunny
33°
23
Sunny
35°
24
Sunny
37°
25
Sunny
37°
26
Sunny
36°
27
Sunny
33°
28
Mist
31°
29
Cloudy
24°
30
Fog
27°

Temperatures trend during September in Boone County

See the weather trend as well as the moving average line

September weather in Boone County day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 28° /17° 0 mm 7
Sept. 2 Sunny
Sunny
 27° /13° 0 mm 7
Sept. 3 Overcast
Overcast
 26° /14° 0 mm 6
Sept. 4 Sunny
Sunny
 28° /13° 6.5 mm 7
Sept. 5 Fog
Fog
 26° /14° 0 mm 6
Sept. 6 Fog
Fog
 25° /12° 0.7 mm 6
Sept. 7 Sunny
Sunny
 25° /10° 0 mm 7
Sept. 8 Sunny
Sunny
 26° /9° 0 mm 7
Sept. 9 Sunny
Sunny
 27° /11° 0 mm 7
Sept. 10 Sunny
Sunny
 30° /13° 0 mm 7
Sept. 11 Partly cloudy
Partly cloudy
 34° /17° 0 mm 9
Sept. 12 Partly cloudy
Partly cloudy
 34° /18° 0 mm 9
Sept. 13 Patchy rain possible
Patchy rain possible
 31° /20° 0 mm 8
Sept. 14 Mist
Mist
 34° /19° 0.1 mm 8
Sept. 15 Moderate rain
Moderate rain
 34° /23° 8.1 mm 1.2
Sept. 16 Thundery outbreaks possible
Thundery outbreaks possible
 31° /20° 0 mm 1.5
Sept. 17 Sunny
Sunny
 32° /20° 0 mm 1.5
Sept. 18 Moderate rain
Moderate rain
 36° /18° 5.3 mm 1.1
Sept. 19 Patchy rain possible
Patchy rain possible
 23° /17° 4.2 mm 0
Sept. 20 Patchy rain possible
Patchy rain possible
 29° /17° 2.2 mm 5
Sept. 21 Patchy rain possible
Patchy rain possible
 26° /16° 3 mm 5
Sept. 22 Sunny
Sunny
 33° /17° 0 mm 6
Sept. 23 Sunny
Sunny
 35° /20° 0 mm 7
Sept. 24 Sunny
Sunny
 37° /20° 0 mm 7
Sept. 25 Sunny
Sunny
 37° /22° 0 mm 7
Sept. 26 Sunny
Sunny
 36° /22° 0 mm 7
Sept. 27 Sunny
Sunny
 33° /19° 0 mm 7
Sept. 28 Mist
Mist
 31° /19° 0.1 mm 5
Sept. 29 Cloudy
Cloudy
 24° /14° 0 mm 5
Sept. 30 Fog
Fog
 27° /14° 0 mm 6
Next
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.
Change Month
‹
›

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 ☀️
Top locations in Boone County
Select a location for an accurate weather forecast
Columbia
More Locations

Quick links

More Boone County weather pages
You are here
Location coordinates Where is Boone County?

Get accurate weather forecasts for Boone County, located at latitude 38.952 and longitude -92.334. Stay updated with localized weather information tailored for Boone County.

Found a mistake?
We appreciate your attention to details. Tell us here.