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Weather in Arlington for September 2025

Your guide to Arlington weather in September - trends and predictions
  • In general, the average temperature in Arlington at the beginning of September is 35.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 33.9 °F by the end of September.

  • Arlington sees moderate rainfall in September, averaging 8 rainy days.

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Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
37°/23°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
48 %
Avg humidity

Arlington in September average weather

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Temperatures trend during September in Arlington

See the weather trend as well as the moving average line

September weather day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
35° /24° 1.3 mm 8
Sept. 2 Cloudy
Cloudy
36° /24° 0.8 mm 8
Sept. 3 Patchy light rain with thunder
Patchy light rain with thunder
33° /23° 4.3 mm 8
Sept. 4 Sunny
Sunny
33° /23° 1.4 mm 8
Sept. 5 Partly cloudy
Partly cloudy
36° /22° 0.2 mm 9
Sept. 6 Partly cloudy
Partly cloudy
38° /25° 0 mm 9
Sept. 7 Sunny
Sunny
38° /25° 0 mm 9
Sept. 8 Sunny
Sunny
38° /24° 0.2 mm 10
Sept. 9 Sunny
Sunny
36° /21° 0 mm 9
Sept. 10 Cloudy
Cloudy
35° /21° 0 mm 8
Sept. 11 Light rain shower
Light rain shower
32° /22° 1.2 mm 7
Sept. 12 Heavy rain
Heavy rain
32° /21° 23.5 mm 8
Sept. 13 Light rain shower
Light rain shower
33° /23° 0.6 mm 8
Sept. 14 Overcast
Overcast
33° /23° 0.2 mm 8
Sept. 15 Cloudy
Cloudy
32° /23° 0.4 mm 8
Sept. 16 Cloudy
Cloudy
33° /21° 0.4 mm 8
Sept. 17 Sunny
Sunny
35° /21° 0.2 mm 9
Sept. 18 Partly cloudy
Partly cloudy
36° /23° 0 mm 9
Sept. 19 Partly cloudy
Partly cloudy
37° /23° 0 mm 9
Sept. 20 Sunny
Sunny
38° /22° 0.1 mm 9
Sept. 21 Thundery outbreaks possible
Thundery outbreaks possible
35° /24° 0 mm 9
Sept. 22 Thundery outbreaks possible
Thundery outbreaks possible
35° /22° 0.1 mm 8
Sept. 23 Thundery outbreaks possible
Thundery outbreaks possible
33° /23° 2.3 mm 7
Sept. 24 Thundery outbreaks possible
Thundery outbreaks possible
37° /24° 0.9 mm 8
Sept. 25 Thundery outbreaks possible
Thundery outbreaks possible
29° /22° 0.9 mm 7
Sept. 26 Partly cloudy
Partly cloudy
34° /20° 0 mm 9
Sept. 27 Partly cloudy
Partly cloudy
34° /21° 0 mm 9
Sept. 28 Partly cloudy
Partly cloudy
34° /21° 0 mm 8
Sept. 29 Sunny
Sunny
34° /21° 0 mm 8
Sept. 30 Sunny
Sunny
35° /21° 0 mm 8
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Important Notice
Our weather forecast for Arlington 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 Arlington forecast closer to your planned date for the most up-to-date weather information.

Arlington in September - FAQ

What are the expected maximum and minimum temperatures in Arlington during September?
With daytime temperatures soaring above 37° and not dropping much below 23° at night, September in Arlington is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Arlington during September?
Moderate rainfall is anticipated in Arlington during September, with a total of 57.3 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Arlington during September?
The average wind speed in Arlington during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Arlington

Explore the daily rainfall trends and prepare for Arlingtons September weather 💧

UV exposure in Arlington during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Arlington?

Get accurate weather forecasts for Arlington, located at latitude 32.736 and longitude -97.108. Stay updated with localized weather information tailored for Arlington.

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