Monongalia County (Morgantown)
September
Weather in Monongalia County, West Virginia for September 2026
Your guide to Monongalia County weather in September - trends and predictions
So far, September 2026 in Monongalia County shows a warmer trend than usual by 2.3 °F.
The forecast for the next days in Monongalia County predicts temperatures to be around 19 °F, close to the historical average.
In general, the average temperature in Monongalia County at the beginning of September is 26.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19 °F by the end of September.
With an average of 5 rainy days, Monongalia County experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
More
25
Dry days
5
Rainy days
0
Snow days
23°/14°
Temperatures
11 km/h
Avg max wind
74 %
Avg humidity
Monongalia County Weather September
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Temperatures trend during September in Monongalia County
See the weather trend as well as the moving average line
September weather in Monongalia County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 28° /16° | 0 mm | 9 | |
| Sept. 2 |  Partly cloudy | 28° /16° | 0 mm | 9 | |
| Sept. 3 | Overcast | 29° /17° | 0 mm | 9 | |
| Sept. 4 |  Moderate or heavy rain shower | 27° /17° | 19 mm | 4 | |
| Sept. 5 |  Mist | 27° /17° | 13.4 mm | 4 | |
| Sept. 6 |  Light rain shower | 24° /14° | 31.9 mm | 5 | |
| Sept. 7 | Fog | 23° /12° | 0 mm | 5 | |
| Sept. 8 |  Sunny | 25° /11° | 0 mm | 6 | |
| Sept. 9 | Sunny | 26° /14° | 0.6 mm | 7 | |
| Sept. 10 | Overcast | 23° /15° | 17.6 mm | 5 | |
| Sept. 11 | Mist | 24° /14° | 0.4 mm | 5 | |
| Sept. 12 | Sunny | 27° /15° | 5.8 mm | 5 | |
| Sept. 13 | Partly cloudy | 25° /16° | 3.7 mm | 5 | |
| Sept. 14 | Partly cloudy | 24° /15° | 0.9 mm | 7 | |
| Sept. 15 | Partly cloudy | 27° /13° | 0 mm | 7 | |
| Sept. 16 |  Cloudy | 27° /16° | 0.1 mm | 7 | |
| Sept. 17 | Overcast | 24° /16° | 3.5 mm | 4 | |
| Sept. 18 | Mist | 23° /15° | 1.5 mm | 4 | |
| Sept. 19 | Fog | 26° /14° | 2.7 mm | 7 | |
| Sept. 20 | Patchy rain possible | 23° /18° | 9.5 mm | 3.5 | |
| Sept. 21 | Light rain shower | 21° /14° | 23 mm | 4.9 | |
| Sept. 22 | Patchy rain possible | 20° /13° | 4.3 mm | 1.9 | |
| Sept. 23 | Light rain shower | 16° /10° | 3.9 mm | 2 | |
| Sept. 24 | Patchy rain possible | 18° /10° | 1.5 mm | 5 | |
| Sept. 25 | Overcast | 18° /7° | 0 mm | 4 | |
| Sept. 26 | Sunny | 19° /9° | 0 mm | 5 | |
| Sept. 27 | Sunny | 19° /10° | 0 mm | 5 | |
| Sept. 28 | Sunny | 22° /11° | 0 mm | 6 | |
| Sept. 29 | Patchy rain possible | 18° /9° | 1.5 mm | 3 | |
| Sept. 30 | Mist | 19° /7° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Monongalia 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 Monongalia County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Monongalia County in September - FAQ
What are the expected maximum and minimum temperatures in Monongalia County during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Monongalia County during September?
Significant rainfall exceeding 130.5 mm is expected in Monongalia County during September, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Monongalia County during September?
The average wind speed in Monongalia County during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Monongalia County
Explore the daily rainfall trends and prepare for Monongalia Countys September weather 💧
Typically, Monongalia County has 5 rainy days in September with a total of 130.5 mm of rainfall.
UV exposure in Monongalia County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Monongalia County?Get accurate weather forecasts for Monongalia County, located at latitude 39.63 and longitude -79.956. Stay updated with localized weather information tailored for Monongalia County.
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