Winchester (VA)
September
Weather in Winchester, Virginia for September 2026
Your guide to Winchester weather in September - trends and predictions
So far, September 2026 in Winchester shows a warmer trend than usual by 3.1 °F.
The forecast for the upcoming days in Winchester predicts a temperature of 19.2 °F, which is slightly above the historical average.
In general, the average temperature in Winchester at the beginning of September is 27.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.6 °F by the end of September.
Winchester in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 159.1 mm.
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Temperatures
Rain 🌧️
More
14
Dry days
16
Rainy days
0
Snow days
24°/15°
Temperatures
12 km/h
Avg max wind
75 %
Avg humidity
Winchester Weather September
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Temperatures trend during September in Winchester
See the weather trend as well as the moving average line
September weather in Winchester day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Moderate or heavy rain shower | 29° /16° | 0.8 mm | 7 | |
| Sept. 2 |  Partly cloudy | 29° /16° | 2.5 mm | 7 | |
| Sept. 3 |  Sunny | 28° /14° | 0 mm | 7 | |
| Sept. 4 |  Overcast | 29° /15° | 35.4 mm | 5 | |
| Sept. 5 | Partly cloudy | 26° /14° | 27.1 mm | 5 | |
| Sept. 6 | Overcast | 28° /15° | 0 mm | 7 | |
| Sept. 7 | Moderate or heavy rain shower | 24° /13° | 2.1 mm | 6 | |
| Sept. 8 | Sunny | 25° /9° | 0 mm | 7 | |
| Sept. 9 | Sunny | 27° /11° | 0 mm | 6 | |
| Sept. 10 | Sunny | 27° /14° | 1.3 mm | 5 | |
| Sept. 11 | Sunny | 26° /15° | 1.5 mm | 5 | |
| Sept. 12 | Sunny | 27° /14° | 0.3 mm | 5 | |
| Sept. 13 |  Patchy rain possible | 28° /15° | 1.4 mm | 5 | |
| Sept. 14 |  Cloudy | 27° /15° | 0 mm | 6 | |
| Sept. 15 | Partly cloudy | 26° /13° | 0 mm | 6 | |
| Sept. 16 | Overcast | 26° /13° | 0.5 mm | 6 | |
| Sept. 17 | Moderate or heavy rain shower | 23° /16° | 14.3 mm | 5 | |
| Sept. 18 | Moderate or heavy rain shower | 25° /17° | 4.3 mm | 4 | |
| Sept. 19 | Overcast | 27° /15° | 1.9 mm | 6 | |
| Sept. 20 | Overcast | 24° /15° | 4.4 mm | 4 | |
| Sept. 21 | Overcast | 22° /15° | 3.8 mm | 4 | |
| Sept. 22 | Light rain shower | 14° /11° | 40.9 mm | 0.5 | |
| Sept. 23 | Light rain shower | 13° /9° | 18.1 mm | 0.7 | |
| Sept. 24 | Sunny | 17° /7° | 0 mm | 4.8 | |
| Sept. 25 | Sunny | 20° /7° | 0 mm | 5.9 | |
| Sept. 26 | Sunny | 21° /8° | 0 mm | 6 | |
| Sept. 27 | Sunny | 20° /12° | 0 mm | 5 | |
| Sept. 28 | Overcast | 14° /12° | 1.1 mm | 3 | |
| Sept. 29 |  Mist | 16° /12° | 0.6 mm | 4 | |
| Sept. 30 | Mist | 22° /13° | 5.3 mm | 5 | |
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Important Notice
Our weather forecast for Winchester 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 Winchester forecast closer to your planned date for the most up-to-date weather information.
Change Month
Winchester in September - FAQ
What are the expected maximum and minimum temperatures in Winchester during September?
During September, expect a variety of temperatures with highs around 24° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Winchester during September?
Significant rainfall exceeding 159.1 mm is expected in Winchester during September, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Winchester during September?
The average wind speed in Winchester during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Winchester
Explore the daily rainfall trends and prepare for Winchesters September weather 💧
Typically, Winchester has 16 rainy days in September with a total of 159.1 mm of rainfall.
UV exposure in Winchester during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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