Harrisonburg (VA)
September
Weather in Harrisonburg, Virginia for September 2026
Your guide to Harrisonburg weather in September - trends and predictions
So far, September 2026 in Harrisonburg shows a warmer trend than usual by 4 °F.
The forecast for the upcoming days in Harrisonburg predicts a temperature of 17.9 °F, which is slightly above the historical average.
In general, the average temperature in Harrisonburg at the beginning of September is 26.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.4 °F by the end of September.
Harrisonburg in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 412.1 mm.
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Temperatures
Rain 🌧️
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14
Dry days
16
Rainy days
0
Snow days
23°/13°
Temperatures
13 km/h
Avg max wind
77 %
Avg humidity
Harrisonburg Weather September
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Temperatures trend during September in Harrisonburg
See the weather trend as well as the moving average line
September weather in Harrisonburg day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain shower | 28° /15° | 1.7 mm | 7 | |
| Sept. 2 |  Mist | 28° /14° | 0.1 mm | 7 | |
| Sept. 3 |  Sunny | 27° /13° | 0 mm | 7 | |
| Sept. 4 |  Overcast | 28° /13° | 1.8 mm | 7 | |
| Sept. 5 |  Partly cloudy | 27° /13° | 2.1 mm | 6 | |
| Sept. 6 | Partly cloudy | 26° /15° | 3.6 mm | 5 | |
| Sept. 7 | Patchy rain possible | 24° /11° | 2.9 mm | 6 | |
| Sept. 8 | Sunny | 25° /7° | 0 mm | 6 | |
| Sept. 9 | Partly cloudy | 26° /9° | 0 mm | 7 | |
| Sept. 10 | Sunny | 27° /13° | 1.3 mm | 5 | |
| Sept. 11 | Sunny | 26° /14° | 16.8 mm | 5 | |
| Sept. 12 | Sunny | 26° /13° | 0.6 mm | 5 | |
| Sept. 13 | Patchy rain possible | 26° /14° | 1 mm | 5 | |
| Sept. 14 | Patchy rain possible | 26° /14° | 0.1 mm | 7 | |
| Sept. 15 | Overcast | 25° /12° | 0 mm | 6 | |
| Sept. 16 |  Light rain | 22° /13° | 4.3 mm | 5 | |
| Sept. 17 |  Moderate or heavy rain shower | 21° /15° | 42.5 mm | 5 | |
| Sept. 18 | Light rain shower | 23° /16° | 22.6 mm | 4 | |
| Sept. 19 | Fog | 25° /15° | 1 mm | 5 | |
| Sept. 20 | Fog | 24° /15° | 0.5 mm | 5 | |
| Sept. 21 |  Torrential rain shower | 21° /15° | 34.9 mm | 4 | |
| Sept. 22 | Light rain shower | 13° /10° | 13.4 mm | 0.5 | |
| Sept. 23 | Light rain shower | 10° /7° | 6.4 mm | 0.5 | |
| Sept. 24 | Sunny | 14° /7° | 0.1 mm | 4.8 | |
| Sept. 25 | Sunny | 18° /8° | 0 mm | 6.2 | |
| Sept. 26 | Sunny | 19° /9° | 0 mm | 5 | |
| Sept. 27 | Sunny | 20° /11° | 0 mm | 5 | |
| Sept. 28 | Overcast | 13° /11° | 0.7 mm | 3 | |
| Sept. 29 | Fog | 17° /11° | 0.7 mm | 5 | |
| Sept. 30 | Mist | 21° /12° | 0.6 mm | 5 | |
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Important Notice
Our weather forecast for Harrisonburg 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 Harrisonburg forecast closer to your planned date for the most up-to-date weather information.
Change Month
Harrisonburg in September - FAQ
What are the expected maximum and minimum temperatures in Harrisonburg during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Harrisonburg during September?
Significant rainfall exceeding 412.1 mm is expected in Harrisonburg during September, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Harrisonburg during September?
The average wind speed in Harrisonburg during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Harrisonburg
Explore the daily rainfall trends and prepare for Harrisonburgs September weather 💧
Typically, Harrisonburg has 16 rainy days in September with a total of 412.1 mm of rainfall.
UV exposure in Harrisonburg during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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