Fayetteville (AR)
September
Weather in Fayetteville, Arkansas for September 2026
Your guide to Fayetteville weather in September - trends and predictions
So far, September 2026 in Fayetteville shows a warmer trend than usual by 4.7 °F.
Expect cooler weather in the next days in Fayetteville with the forecast suggesting a temperature of 26.2 °F, lower than the historical average.
In general, the average temperature in Fayetteville at the beginning of September is 30.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.6 °F by the end of September.
The climate of Fayetteville in September is notably wet, with an average of 11 rainy days, and a total of 186.9 mm of precipitation.
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Temperatures
Rain 🌧️
More
19
Dry days
11
Rainy days
0
Snow days
27°/18°
Temperatures
15 km/h
Avg max wind
67 %
Avg humidity
Fayetteville Weather September
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Temperatures trend during September in Fayetteville
See the weather trend as well as the moving average line
September weather in Fayetteville day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Moderate or heavy rain shower | 31° /21° | 2.7 mm | 7 | |
| Sept. 2 |  Sunny | 31° /19° | 3.4 mm | 8 | |
| Sept. 3 |  Partly cloudy | 30° /19° | 0 mm | 7 | |
| Sept. 4 |  Overcast | 29° /19° | 0 mm | 7 | |
| Sept. 5 |  Patchy rain possible | 32° /19° | 0.1 mm | 7 | |
| Sept. 6 | Patchy rain possible | 30° /18° | 4.8 mm | 7 | |
| Sept. 7 | Sunny | 30° /16° | 0 mm | 7 | |
| Sept. 8 | Sunny | 30° /15° | 0 mm | 7 | |
| Sept. 9 | Sunny | 30° /17° | 0 mm | 7 | |
| Sept. 10 | Sunny | 29° /17° | 27 mm | 5 | |
| Sept. 11 | Moderate rain at times | 30° /20° | 1.3 mm | 5 | |
| Sept. 12 | Patchy rain possible | 31° /19° | 1.8 mm | 7 | |
| Sept. 13 | Patchy rain possible | 30° /20° | 1.1 mm | 5 | |
| Sept. 14 | Partly cloudy | 32° /19° | 0.3 mm | 8 | |
| Sept. 15 | Overcast | 31° /21° | 2 mm | 7 | |
| Sept. 16 | Patchy rain possible | 31° /21° | 0.2 mm | 7 | |
| Sept. 17 | Patchy rain possible | 31° /21° | 0.3 mm | 7 | |
| Sept. 18 | Patchy rain possible | 31° /22° | 4.6 mm | 7 | |
| Sept. 19 | Sunny | 30° /20° | 0.6 mm | 7 | |
| Sept. 20 | Overcast | 34° /22° | 0.3 mm | 7.7 | |
| Sept. 21 | Sunny | 30° /21° | 2.4 mm | 7.5 | |
| Sept. 22 | Partly cloudy | 26° /16° | 0.7 mm | 6.2 | |
| Sept. 23 | Sunny | 29° /16° | 0 mm | 7.7 | |
| Sept. 24 | Overcast | 29° /17° | 0 mm | 7 | |
| Sept. 25 | Overcast | 28° /20° | 0.3 mm | 6 | |
| Sept. 26 | Sunny | 27° /19° | 0.9 mm | 7 | |
| Sept. 27 | Overcast | 24° /12° | 0 mm | 5 | |
| Sept. 28 | Overcast | 26° /20° | 0 mm | 6 | |
| Sept. 29 | Overcast | 24° /17° | 0.9 mm | 5 | |
| Sept. 30 | Overcast | 21° /15° | 10.2 mm | 5 | |
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Important Notice
Our weather forecast for Fayetteville 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 Fayetteville forecast closer to your planned date for the most up-to-date weather information.
Change Month
Fayetteville in September - FAQ
What are the expected maximum and minimum temperatures in Fayetteville during September?
During September, expect a variety of temperatures with highs around 27° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Fayetteville during September?
Significant rainfall exceeding 186.9 mm is expected in Fayetteville during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Fayetteville during September?
The average wind speed in Fayetteville during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Fayetteville
Explore the daily rainfall trends and prepare for Fayettevilles September weather 💧
Typically, Fayetteville has 11 rainy days in September with a total of 186.9 mm of rainfall.
UV exposure in Fayetteville during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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