Weather in Union County, Arkansas for September 2026
So far, September 2026 in Union County shows a warmer trend than usual by 3.4 °F.
The forecast for the next days in Union County predicts temperatures to be around 35 °F, close to the historical average.
In general, the average temperature in Union County at the beginning of September is 34.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 29.3 °F by the end of September.
Union County experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 72.9 mm.
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Union County Weather September
Temperatures trend during September in Union County
September weather in Union County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Partly cloudy | 34° /22° | 0 mm | 11 | |
| Sept. 2 | Light rain shower | 32° /22° | 3.8 mm | 11 | |
| Sept. 3 | Partly cloudy | 34° /23° | 0.4 mm | 10 | |
| Sept. 4 | Fog | 36° /21° | 0.5 mm | 11 | |
| Sept. 5 | Overcast | 35° /24° | 0 mm | 9 | |
| Sept. 6 | Patchy light rain with thunder | 34° /22° | 8.1 mm | 8 | |
| Sept. 7 | Partly cloudy | 34° /19° | 0 mm | 10 | |
| Sept. 8 | Sunny | 33° /20° | 0 mm | 10 | |
| Sept. 9 | Sunny | 33° /19° | 0 mm | 10 | |
| Sept. 10 | Cloudy | 34° /21° | 0 mm | 9 | |
| Sept. 11 | Sunny | 37° /24° | 4 mm | 8.6 | |
| Sept. 12 | Sunny | 37° /23° | 4.6 mm | 8.7 | |
| Sept. 13 | Sunny | 35° /24° | 2 mm | 8.7 | |
| Sept. 14 | Sunny | 38° /25° | 0 mm | 8.6 | |
| Sept. 15 | Sunny | 38° /25° | 0 mm | 9 | |
| Sept. 16 | Sunny | 37° /25° | 0 mm | 9 | |
| Sept. 17 | Sunny | 38° /24° | 6.1 mm | 9 | |
| Sept. 18 | Overcast | 31° /20° | 0.7 mm | 7 | |
| Sept. 19 | Sunny | 30° /16° | 0 mm | 7 | |
| Sept. 20 | Sunny | 30° /14° | 0 mm | 8 | |
| Sept. 21 | Sunny | 32° /15° | 0 mm | 8 | |
| Sept. 22 | Sunny | 34° /19° | 0 mm | 8 | |
| Sept. 23 | Sunny | 35° /21° | 0 mm | 9 | |
| Sept. 24 | Sunny | 36° /22° | 0 mm | 9 | |
| Sept. 25 | Overcast | 27° /19° | 0 mm | 7 | |
| Sept. 26 | Cloudy | 26° /20° | 0 mm | 7 | |
| Sept. 27 | Sunny | 29° /18° | 0 mm | 7 | |
| Sept. 28 | Partly cloudy | 29° /18° | 0 mm | 7 | |
| Sept. 29 | Cloudy | 30° /20° | 0 mm | 7 | |
| Sept. 30 | Overcast | 28° /22° | 0 mm | 6 | |
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Union County in September - FAQ
What are the expected maximum and minimum temperatures in Union County during September?
How much rainfall should be expected in Union County during September?
What are the typical wind conditions in Union County during September?
September rainfall patterns in Union County
UV exposure in Union County during September
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Get accurate weather forecasts for Union County, located at latitude 33.208 and longitude -92.666. Stay updated with localized weather information tailored for Union County.