Winchester (VA)
September
Weather in Winchester, Virginia for September 2025
Your guide to Winchester weather in September - trends and predictions
In general, the average temperature in Winchester at the beginning of September is 24.4 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 21.7 °F by the end of September.
The climate of Winchester in September is notably wet, with an average of 15 rainy days, and a total of 165.9 mm of precipitation.
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Temperatures
Rain 🌧️
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15
Dry days
15
Rainy days
0
Snow days
24°/14°
Temperatures
13 km/h
Avg max wind
76 %
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 | 27° /19° | 2.3 mm | 6 | |
| Sept. 2 |  Partly cloudy | 25° /14° | 0 mm | 6 | |
| Sept. 3 |  Sunny | 23° /10° | 0 mm | 6 | |
| Sept. 4 |  Overcast | 23° /10° | 0 mm | 5 | |
| Sept. 5 | Partly cloudy | 24° /10° | 0 mm | 6 | |
| Sept. 6 | Overcast | 27° /12° | 0 mm | 6 | |
| Sept. 7 | Moderate or heavy rain shower | 22° /13° | 6.4 mm | 5 | |
| Sept. 8 | Sunny | 22° /7° | 0 mm | 6 | |
| Sept. 9 | Sunny | 26° /8° | 0 mm | 7 | |
| Sept. 10 | Sunny | 29° /11° | 0 mm | 7 | |
| Sept. 11 | Sunny | 29° /12° | 0 mm | 7 | |
| Sept. 12 | Sunny | 27° /12° | 0 mm | 7 | |
| Sept. 13 |  Patchy rain possible | 26° /13° | 0.1 mm | 6 | |
| Sept. 14 | Overcast | 28° /15° | 0 mm | 6 | |
| Sept. 15 | Partly cloudy | 27° /12° | 0 mm | 7 | |
| Sept. 16 | Overcast | 22° /12° | 1.4 mm | 5 | |
| Sept. 17 | Moderate or heavy rain shower | 21° /16° | 26.5 mm | 5 | |
| Sept. 18 | Moderate or heavy rain shower | 20° /17° | 10.2 mm | 5 | |
| Sept. 19 | Overcast | 24° /16° | 0 mm | 5 | |
| Sept. 20 | Overcast | 27° /12° | 0 mm | 6 | |
| Sept. 21 | Overcast | 24° /16° | 3.8 mm | 5 | |
| Sept. 22 | Patchy rain possible | 20° /17° | 7 mm | 5 | |
| Sept. 23 | Moderate or heavy rain shower | 21° /15° | 14.9 mm | 5 | |
| Sept. 24 | Moderate or heavy rain shower | 18° /16° | 21.2 mm | 4 | |
| Sept. 25 | Patchy rain possible | 21° /18° | 6.9 mm | 5 | |
| Sept. 26 | Patchy rain possible | 26° /20° | 1.6 mm | 6 | |
| Sept. 27 | Moderate or heavy rain shower | 22° /20° | 40.7 mm | 5 | |
| Sept. 28 | Moderate or heavy rain shower | 25° /20° | 5.4 mm | 6 | |
| Sept. 29 |  Heavy rain at times | 23° /19° | 5.9 mm | 5 | |
| Sept. 30 | Moderate or heavy rain shower | 17° /15° | 11.6 mm | 4 | |
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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.
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Winchester in September - FAQ
What are the expected maximum and minimum temperatures in Winchester during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Winchester during September?
Significant rainfall exceeding 165.9 mm is expected in Winchester during September, occurring over more than 15 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 13 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 💧
UV exposure in Winchester during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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