Sterling (VA)
September
Weather in Sterling, Virginia for September 2026
Your guide to Sterling weather in September - trends and predictions
In general, the average temperature in Sterling at the beginning of September is 26.4 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 24.1 °F by the end of September.
The climate of Sterling in September is notably wet, with an average of 14 rainy days, and a total of 148 mm of precipitation.
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Temperatures
Rain 🌧️
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16
Dry days
14
Rainy days
0
Snow days
24°/16°
Temperatures
14 km/h
Avg max wind
73 %
Avg humidity
Sterling Weather September
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Temperatures trend during September in Sterling
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September weather in Sterling day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Heavy rain at times | 26° /17° | 1.6 mm | 6 | |
| Sept. 2 |  Overcast | 25° /16° | 0 mm | 6 | |
| Sept. 3 |  Sunny | 25° /14° | 0 mm | 7 | |
| Sept. 4 | Overcast | 28° /15° | 6.6 mm | 6 | |
| Sept. 5 |  Partly cloudy | 29° /16° | 1.6 mm | 7 | |
| Sept. 6 | Overcast | 30° /18° | 55 mm | 7 | |
| Sept. 7 |  Moderate rain at times | 22° /15° | 0.6 mm | 5 | |
| Sept. 8 | Sunny | 24° /10° | 0 mm | 7 | |
| Sept. 9 | Sunny | 25° /11° | 0 mm | 7 | |
| Sept. 10 | Sunny | 26° /13° | 0 mm | 6 | |
| Sept. 11 | Sunny | 27° /15° | 0 mm | 7 | |
| Sept. 12 | Sunny | 28° /15° | 0 mm | 7 | |
| Sept. 13 |  Patchy rain possible | 28° /16° | 0.2 mm | 7 | |
| Sept. 14 | Overcast | 29° /17° | 0 mm | 7 | |
| Sept. 15 | Partly cloudy | 28° /17° | 0.8 mm | 7 | |
| Sept. 16 | Overcast | 22° /15° | 2.3 mm | 5 | |
| Sept. 17 | Moderate or heavy rain shower | 19° /16° | 45.9 mm | 5 | |
| Sept. 18 | Moderate or heavy rain shower | 25° /18° | 9.4 mm | 6 | |
| Sept. 19 | Patchy rain possible | 29° /17° | 1.1 mm | 7 | |
| Sept. 20 | Patchy rain possible | 24° /16° | 3.6 mm | 6 | |
| Sept. 21 | Heavy rain at times | 25° /17° | 1.2 mm | 6 | |
| Sept. 22 | Patchy rain possible | 24° /16° | 2.3 mm | 6 | |
| Sept. 23 | Moderate rain at times | 26° /19° | 16.6 mm | 6 | |
| Sept. 24 | Moderate or heavy rain shower | 24° /18° | 15.4 mm | 6 | |
| Sept. 25 | Patchy rain possible | 25° /18° | 14.9 mm | 6 | |
| Sept. 26 | Moderate or heavy rain shower | 26° /20° | 13.3 mm | 6 | |
| Sept. 27 | Moderate or heavy rain shower | 24° /19° | 18.2 mm | 6 | |
| Sept. 28 | Patchy rain possible | 23° /19° | 9.1 mm | 5 | |
| Sept. 29 | Moderate rain at times | 25° /18° | 1.9 mm | 6 | |
| Sept. 30 | Overcast | 22° /17° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Sterling 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 Sterling forecast closer to your planned date for the most up-to-date weather information.
Change Month
Sterling in September - FAQ
What are the expected maximum and minimum temperatures in Sterling during September?
During September, expect a variety of temperatures with highs around 24° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Sterling during September?
Significant rainfall exceeding 148 mm is expected in Sterling during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Sterling during September?
The average wind speed in Sterling during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Sterling
Explore the daily rainfall trends and prepare for Sterlings September weather 💧
UV exposure in Sterling during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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