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City of Alexandria (Alexandria)
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United States weather

Weather in City of Alexandria, Virginia for September 2025

Your guide to City of Alexandria weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Coastal Flood Advisory - See hour by hour.

    • Temperatures

  • Until now, September 2025 in City of Alexandria is cooler than usual, with temperatures averaging 26.5 °F, this is -2.3 °F below the typical seasonal average.

  • Expect cooler weather in the next days in City of Alexandria with the forecast suggesting a temperature of 25.9 °F, lower than the historical average.

  • In general, the average temperature in City of Alexandria at the beginning of September is 29.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.9 °F by the end of September.

    • Rain 🌧️

  • City of Alexandria in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 202.7 mm.

    • More

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

Average dry days
14
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/17°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
71 %
Avg humidity

City of Alexandria Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
28°
2
Sunny
27°
3
Partly cloudy
28°
4
Patchy rain possible
31°
5
Sunny
32°
6
Sunny
32°
7
Thundery outbreaks possible
27°
8
Sunny
28°
9
Light rain shower
27°
10
Light rain shower
28°
11
Patchy rain possible
29°
12
Sunny
29°
13
Partly cloudy
29°
14
Sunny
28°
15
Weather Alert Cloudy
27°
16
Overcast
20°
17
Heavy rain
18°
18
Partly cloudy
29°
19
Sunny
33°
20
Sunny
27°
21
Overcast
25°
22
Partly cloudy
26°
23
Partly cloudy
28°
24
Patchy rain possible
24°
25
Sunny
27°
26
Patchy rain possible
29°
27
Moderate rain
25°
28
Patchy rain possible
25°
29
Light rain shower
22°
30
Patchy rain possible
22°

Temperatures trend during September in City of Alexandria

See the weather trend as well as the moving average line

September weather in City of Alexandria day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 28° /17° 0.3 mm 7
Sept. 2 Sunny
Sunny
 27° /16° 0 mm 7
Sept. 3 Partly cloudy
Partly cloudy
 28° /15° 0 mm 7
Sept. 4 Patchy rain possible
Patchy rain possible
 31° /18° 1.4 mm 7
Sept. 5 Sunny
Sunny
 32° /19° 2.8 mm 8
Sept. 6 Sunny
Sunny
 32° /20° 7.9 mm 7
Sept. 7 Thundery outbreaks possible
Thundery outbreaks possible
 27° /18° 8.4 mm 6
Sept. 8 Sunny
Sunny
 28° /15° 2.3 mm 7
Sept. 9 Light rain shower
Light rain shower
 27° /15° 2.6 mm 7
Sept. 10 Light rain shower
Light rain shower
 28° /16° 4.4 mm 7
Sept. 11 Patchy rain possible
Patchy rain possible
 29° /16° 0.5 mm 7
Sept. 12 Sunny
Sunny
 29° /17° 0 mm 7
Sept. 13 Partly cloudy
Partly cloudy
 29° /17° 1.9 mm 7
Sept. 14 Sunny
Sunny
 28° /17° 0 mm 6
Sept. 15 Cloudy
Cloudy
 27° /16° 0 mm 1.1
Sept. 16 Overcast
Overcast
 20° /17° 0 mm 0.5
Sept. 17 Heavy rain
Heavy rain
 18° /15° 45.8 mm 0.2
Sept. 18 Partly cloudy
Partly cloudy
 29° /17° 0 mm 1.4
Sept. 19 Sunny
Sunny
 33° /17° 0 mm 0
Sept. 20 Sunny
Sunny
 27° /18° 0 mm 6
Sept. 21 Overcast
Overcast
 25° /16° 0 mm 4
Sept. 22 Partly cloudy
Partly cloudy
 26° /15° 0 mm 5
Sept. 23 Partly cloudy
Partly cloudy
 28° /16° 0 mm 6
Sept. 24 Patchy rain possible
Patchy rain possible
 24° /18° 3.6 mm 5
Sept. 25 Sunny
Sunny
 27° /16° 0 mm 6
Sept. 26 Patchy rain possible
Patchy rain possible
 29° /17° 0.4 mm 5
Sept. 27 Moderate rain
Moderate rain
 25° /17° 7.8 mm 4
Sept. 28 Patchy rain possible
Patchy rain possible
 25° /15° 0.4 mm 4
Sept. 29 Light rain shower
Light rain shower
 22° /17° 1.1 mm 5
Sept. 30 Patchy rain possible
Patchy rain possible
 22° /17° 0.1 mm 5
Next
Important Notice
Our weather forecast for City of Alexandria 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 City of Alexandria forecast closer to your planned date for the most up-to-date weather information.
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City of Alexandria in September - FAQ

What are the expected maximum and minimum temperatures in City of Alexandria during September?
During September, expect a variety of temperatures with highs around 26° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in City of Alexandria during September?
Significant rainfall exceeding 202.7 mm is expected in City of Alexandria during September, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in City of Alexandria during September?
The average wind speed in City of Alexandria during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in City of Alexandria

Explore the daily rainfall trends and prepare for City of Alexandrias September weather 💧

UV exposure in City of Alexandria during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is City of Alexandria?

Get accurate weather forecasts for City of Alexandria, located at latitude 38.805 and longitude -77.047. Stay updated with localized weather information tailored for City of Alexandria.

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