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Weather in Jefferson County, Texas for September 2027

Your guide to Jefferson County weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Jefferson County at the beginning of September is 30.2 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 31.7 °C by the end of September.

  • Rain 🌧️

  • The climate of Jefferson County in September is notably wet, with an average of 11 rainy days, and a total of 511.4 mm of precipitation.

  • More

  • Is September a good time to visit Jefferson County? check out the best time to travel to Jefferson County page.

  • ✨ Is September a good time to visit Jefferson County? – Ask the AI Weatherman

Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
32°/23°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Jefferson County Weather September

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Temperatures trend during September in Jefferson County

See the weather trend as well as the moving average line

September weather in Jefferson County day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
Sept. 1 Heavy rain
Heavy rain
27° /23° 58.2 mm 5
Sept. 2 Heavy rain
Heavy rain
31° /24° 110.2 mm 6
Sept. 3 Heavy rain
Heavy rain
31° /24° 181.3 mm 5
Sept. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
30° /24° 6.3 mm 7
Sept. 5 Heavy rain
Heavy rain
30° /24° 64.4 mm 6
Sept. 6 Light rain
Light rain
31° /23° 4.3 mm 8
Sept. 7 Sunny
Sunny
31° /22° 0 mm 8
Sept. 8 Partly cloudy
Partly cloudy
30° /21° 0.5 mm 6
Sept. 9 Sunny
Sunny
31° /20° 0.7 mm 7
Sept. 10 Light rain
Light rain
31° /22° 4.5 mm 6
Sept. 11 Moderate rain
Moderate rain
30° /23° 20 mm 7
Sept. 12 Patchy rain possible
Patchy rain possible
31° /22° 1.3 mm 7
Sept. 13 Light rain
Light rain
32° /22° 2.7 mm 8
Sept. 14 Patchy rain possible
Patchy rain possible
33° /24° 2.3 mm 8
Sept. 15 Patchy rain possible
Patchy rain possible
33° /23° 1 mm 7
Sept. 16 Light rain
Light rain
34° /23° 4.9 mm 7
Sept. 17 Heavy rain
Heavy rain
33° /23° 30.3 mm 7
Sept. 18 Light rain
Light rain
32° /24° 5.1 mm 8
Sept. 19 Sunny
Sunny
34° /23° 0 mm 8
Sept. 20 Patchy rain possible
Patchy rain possible
33° /23° 0.2 mm 7
Sept. 21 Light rain
Light rain
32° /24° 2.9 mm 6
Sept. 22 Patchy rain possible
Patchy rain possible
33° /24° 0.1 mm 7
Sept. 23 Light rain
Light rain
32° /23° 3.2 mm 8
Sept. 24 Patchy rain possible
Patchy rain possible
32° /24° 2.3 mm 6
Sept. 25 Light rain
Light rain
30° /22° 3.5 mm 5
Sept. 26 Partly cloudy
Partly cloudy
30° /21° 0 mm 6
Sept. 27 Sunny
Sunny
32° /21° 0 mm 7
Sept. 28 Sunny
Sunny
33° /20° 0.8 mm 8
Sept. 29 Cloudy
Cloudy
33° /20° 0.1 mm 8
Sept. 30 Cloudy
Cloudy
32° /23° 0 mm 6
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Important Notice
Our weather forecast for Jefferson County 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 Jefferson County forecast closer to your planned date for the most up-to-date weather information.

Jefferson County in September - FAQ

What are the expected maximum and minimum temperatures in Jefferson County during September?

During September, expect a variety of temperatures with highs around 32° and lows near 23°, suitable for diverse activities and preferences.

How much rainfall should be expected in Jefferson County during September?

Significant rainfall exceeding 511.4 mm is expected in Jefferson County during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Jefferson County during September?

The average wind speed in Jefferson County during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Jefferson County

Explore the daily rainfall trends and prepare for Jefferson Countys September weather 💧
Typically, Jefferson County has 11 rainy days in September with a total of 511.4 mm of rainfall.

UV exposure in Jefferson County during September

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