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Sterling (VA)
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Sterling (VA)
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United States weather

Weather in Sterling, Virginia for September 2025

Your guide to Sterling weather in September - trends and predictions

    Official Weather Alert ⚠️

  • - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Sterling has been nearly identical to the historical average, with a temperature of 26.9 °F (showing only a slight deviation of 0.4 °F).

  • The forecast for the next days in Sterling predicts temperatures to be around 27 °F, close to the historical average.

  • In general, the average temperature in Sterling at the beginning of September is 26.4 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 26.9 °F by the end of September.

    • Rain 🌧️

  • The climate of Sterling in September is notably wet, with an average of 14 rainy days, and a total of 148 mm of precipitation.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
16
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/16°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Sterling Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Heavy rain at times
26°
2
Overcast
25°
3
Sunny
25°
4
Overcast
28°
5
Partly cloudy
29°
6
Overcast
30°
7
Moderate rain at times
22°
8
Sunny
24°
9
Sunny
25°
10
Sunny
26°
11
Sunny
27°
12
Sunny
28°
13
Patchy rain possible
28°
14
Overcast
29°
15
Partly cloudy
28°
16
Weather Alert Overcast
22°
17
Moderate rain
17°
18
Sunny
29°
19
Sunny
33°
20
Sunny
26°
21
Cloudy
25°
22
Sunny
27°
23
Sunny
29°
24
Patchy rain possible
33°
25
Patchy rain possible
25°
26
Partly cloudy
27°
27
Partly cloudy
28°
28
Sunny
28°
29
Partly cloudy
28°
30
Overcast
19°

Temperatures trend during September in Sterling

See the weather trend as well as the moving average line

September weather in Sterling day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Heavy rain at times
Heavy rain at times
 26° /17° 1.6 mm 6
Sept. 2 Overcast
Overcast
 25° /16° 0 mm 6
Sept. 3 Sunny
Sunny
 25° /14° 0 mm 7
Sept. 4 Overcast
Overcast
 28° /15° 6.6 mm 6
Sept. 5 Partly cloudy
Partly cloudy
 29° /16° 1.6 mm 7
Sept. 6 Overcast
Overcast
 30° /18° 55 mm 7
Sept. 7 Moderate rain at times
Moderate rain at times
 22° /15° 0.6 mm 5
Sept. 8 Sunny
Sunny
 24° /10° 0 mm 7
Sept. 9 Sunny
Sunny
 25° /11° 0 mm 7
Sept. 10 Sunny
Sunny
 26° /13° 0 mm 6
Sept. 11 Sunny
Sunny
 27° /15° 0 mm 7
Sept. 12 Sunny
Sunny
 28° /15° 0 mm 7
Sept. 13 Patchy rain possible
Patchy rain possible
 28° /16° 0.2 mm 7
Sept. 14 Overcast
Overcast
 29° /17° 0 mm 7
Sept. 15 Partly cloudy
Partly cloudy
 28° /17° 0.8 mm 7
Sept. 16 Overcast
Overcast
 22° /16° 0 mm 0.4
Sept. 17 Moderate rain
Moderate rain
 17° /15° 12.1 mm 0.2
Sept. 18 Sunny
Sunny
 29° /14° 0 mm 1.5
Sept. 19 Sunny
Sunny
 33° /17° 0 mm 1.5
Sept. 20 Sunny
Sunny
 26° /14° 0 mm 0
Sept. 21 Cloudy
Cloudy
 25° /15° 0 mm 4
Sept. 22 Sunny
Sunny
 27° /14° 0 mm 5
Sept. 23 Sunny
Sunny
 29° /14° 0 mm 6
Sept. 24 Patchy rain possible
Patchy rain possible
 33° /18° 0.6 mm 5
Sept. 25 Patchy rain possible
Patchy rain possible
 25° /20° 1.4 mm 5
Sept. 26 Partly cloudy
Partly cloudy
 27° /18° 0 mm 6
Sept. 27 Partly cloudy
Partly cloudy
 28° /18° 0 mm 6
Sept. 28 Sunny
Sunny
 28° /16° 0 mm 6
Sept. 29 Partly cloudy
Partly cloudy
 28° /16° 0 mm 6
Sept. 30 Overcast
Overcast
 19° /17° 0 mm 4
Next
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.
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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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Location coordinates Where is Sterling?

Get accurate weather forecasts for Sterling, located at latitude 39.006 and longitude -77.429. Stay updated with localized weather information tailored for Sterling.

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