Watauga County (Boone)
September
Weather in Watauga County, North Carolina for September 2026
Your guide to Watauga County weather in September - trends and predictions
So far, September 2026 in Watauga County shows a warmer trend than usual by 4.5 °F.
The forecast for the next days in Watauga County predicts temperatures to be around 21 °F, close to the historical average.
In general, the average temperature in Watauga County at the beginning of September is 23.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.4 °F by the end of September.
Watauga County experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 475.3 mm.
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Temperatures
Rain 🌧️
More
8
Dry days
22
Rainy days
0
Snow days
20°/14°
Temperatures
11 km/h
Avg max wind
82 %
Avg humidity
Watauga County Weather September
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Temperatures trend during September in Watauga County
See the weather trend as well as the moving average line
September weather in Watauga County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Moderate or heavy rain shower | 24° /14° | 3.5 mm | 6 | |
| Sept. 2 |  Patchy rain possible | 26° /14° | 0.2 mm | 7 | |
| Sept. 3 |  Partly cloudy | 23° /14° | 0 mm | 7 | |
| Sept. 4 |  Overcast | 24° /12° | 9.8 mm | 6 | |
| Sept. 5 | Overcast | 25° /15° | 2.4 mm | 7 | |
| Sept. 6 | Partly cloudy | 24° /15° | 4.3 mm | 6 | |
| Sept. 7 | Overcast | 20° /13° | 6.3 mm | 4 | |
| Sept. 8 |  Sunny | 20° /9° | 0 mm | 6 | |
| Sept. 9 | Sunny | 23° /10° | 0.1 mm | 6 | |
| Sept. 10 | Sunny | 23° /11° | 0 mm | 6 | |
| Sept. 11 | Sunny | 23° /13° | 0.8 mm | 6 | |
| Sept. 12 | Overcast | 20° /13° | 4 mm | 3 | |
| Sept. 13 | Patchy rain possible | 22° /13° | 1.6 mm | 4 | |
| Sept. 14 | Moderate rain at times | 23° /15° | 1.7 mm | 6 | |
| Sept. 15 | Patchy rain possible | 22° /14° | 4.2 mm | 6 | |
| Sept. 16 | Moderate rain at times | 21° /12° | 11.1 mm | 6 | |
| Sept. 17 | Moderate or heavy rain shower | 21° /13° | 32.2 mm | 6 | |
| Sept. 18 | Moderate or heavy rain shower | 22° /15° | 12.7 mm | 5 | |
| Sept. 19 | Moderate or heavy rain shower | 22° /16° | 15 mm | 5 | |
| Sept. 20 |  Fog | 27° /16° | 5.8 mm | 7.9 | |
| Sept. 21 | Light rain shower | 28° /16° | 10 mm | 7.5 | |
| Sept. 22 | Light rain shower | 21° /15° | 14.8 mm | 4.7 | |
| Sept. 23 | Light rain shower | 18° /12° | 7.9 mm | 1.1 | |
| Sept. 24 | Patchy rain possible | 21° /11° | 5.5 mm | 5 | |
| Sept. 25 | Mist | 21° /11° | 0 mm | 6 | |
| Sept. 26 | Light rain shower | 14° /10° | 10.2 mm | 3 | |
| Sept. 27 | Sunny | 20° /9° | 0 mm | 5 | |
| Sept. 28 | Sunny | 19° /8° | 0 mm | 5 | |
| Sept. 29 | Light rain shower | 15° /11° | 6.4 mm | 4 | |
| Sept. 30 | Fog | 19° /10° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Watauga 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 Watauga County forecast closer to your planned date for the most up-to-date weather information.
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Watauga County in September - FAQ
What are the expected maximum and minimum temperatures in Watauga County during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Watauga County during September?
Significant rainfall exceeding 475.3 mm is expected in Watauga County during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Watauga County during September?
The average wind speed in Watauga County during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Watauga County
Explore the daily rainfall trends and prepare for Watauga Countys September weather 💧
Typically, Watauga County has 22 rainy days in September with a total of 475.3 mm of rainfall.
UV exposure in Watauga County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Watauga County?Get accurate weather forecasts for Watauga County, located at latitude 36.217 and longitude -81.675. Stay updated with localized weather information tailored for Watauga County.
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