Greenbrier (AR)
September
Weather in Greenbrier, Arkansas for September 2026
Your guide to Greenbrier weather in September - trends and predictions
Until now, September 2026 in Greenbrier has been significantly warmer than historical averages.
The forecast for the next days in Greenbrier predicts temperatures to be around 33 °F, close to the historical average.
In general, the average temperature in Greenbrier at the beginning of September is 33.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 29 °F by the end of September.
Greenbrier experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 288 mm.
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Temperatures
Rain 🌧️
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24
Dry days
6
Rainy days
0
Snow days
29°/20°
Temperatures
9 km/h
Avg max wind
67 %
Avg humidity
Greenbrier Weather September
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Temperatures trend during September in Greenbrier
See the weather trend as well as the moving average line
September weather in Greenbrier day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Cloudy | 32° /21° | 0 mm | 8 | |
| Sept. 2 |  Moderate or heavy rain shower | 32° /19° | 38.5 mm | 8 | |
| Sept. 3 |  Fog | 33° /21° | 6.6 mm | 8 | |
| Sept. 4 | Fog | 35° /22° | 0 mm | 9 | |
| Sept. 5 |  Thundery outbreaks possible | 36° /23° | 0 mm | 8 | |
| Sept. 6 | Moderate or heavy rain shower | 33° /19° | 8.5 mm | 8 | |
| Sept. 7 | Fog | 33° /17° | 0 mm | 8 | |
| Sept. 8 |  Sunny | 33° /17° | 0 mm | 8 | |
| Sept. 9 | Cloudy | 32° /19° | 0.3 mm | 8 | |
| Sept. 10 | Cloudy | 32° /21° | 3.8 mm | 8 | |
| Sept. 11 |  Overcast | 30° /23° | 46.4 mm | 5.7 | |
| Sept. 12 |  Partly cloudy | 36° /22° | 0.1 mm | 8.1 | |
| Sept. 13 | Sunny | 37° /24° | 0 mm | 8.2 | |
| Sept. 14 | Sunny | 36° /25° | 1 mm | 8.4 | |
| Sept. 15 | Sunny | 38° /25° | 0 mm | 9 | |
| Sept. 16 | Sunny | 37° /26° | 0 mm | 9 | |
| Sept. 17 |  Patchy rain possible | 33° /21° | 1.4 mm | 7 | |
| Sept. 18 | Sunny | 29° /18° | 0 mm | 7 | |
| Sept. 19 | Sunny | 28° /14° | 0 mm | 7 | |
| Sept. 20 | Sunny | 29° /14° | 0 mm | 7 | |
| Sept. 21 | Sunny | 30° /15° | 0 mm | 8 | |
| Sept. 22 | Sunny | 33° /17° | 0.1 mm | 7 | |
| Sept. 23 | Sunny | 36° /20° | 0 mm | 9 | |
| Sept. 24 | Sunny | 36° /22° | 0 mm | 9 | |
| Sept. 25 | Cloudy | 27° /20° | 0 mm | 6 | |
| Sept. 26 | Cloudy | 25° /17° | 0 mm | 6 | |
| Sept. 27 | Mist | 26° /16° | 0 mm | 6 | |
| Sept. 28 | Fog | 29° /16° | 0 mm | 6 | |
| Sept. 29 | Cloudy | 30° /18° | 0 mm | 7 | |
| Sept. 30 | Cloudy | 30° /20° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Greenbrier 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 Greenbrier forecast closer to your planned date for the most up-to-date weather information.
Change Month
Greenbrier in September - FAQ
What are the expected maximum and minimum temperatures in Greenbrier during September?
During September, expect a variety of temperatures with highs around 29° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Greenbrier during September?
Significant rainfall exceeding 288 mm is expected in Greenbrier during September, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Greenbrier during September?
The average wind speed in Greenbrier during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Greenbrier
Explore the daily rainfall trends and prepare for Greenbriers September weather 💧
Typically, Greenbrier has 6 rainy days in September with a total of 288 mm of rainfall.
UV exposure in Greenbrier during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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