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Port Aransas (TX)
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United States weather

Weather in Port Aransas, Texas for September 2025

Your guide to Port Aransas weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Port Aransas at the beginning of September is 30.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 31.6 °F by the end of September.

    • Rain 🌧️

  • Port Aransas experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 124 mm.

    • More

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Average dry days
9
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/25°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Port Aransas Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
31°
2
Moderate or heavy rain shower
30°
3
Moderate or heavy rain shower
30°
4
Moderate or heavy rain shower
29°
5
Heavy rain at times
30°
6
Patchy rain possible
31°
7
Partly cloudy
30°
8
Partly cloudy
29°
9
Sunny
28°
10
Moderate rain at times
29°
11
Patchy rain possible
30°
12
Moderate rain at times
30°
13
Sunny
29°
14
Cloudy
30°
15
Moderate rain at times
29°
16
Moderate rain at times
29°
17
Heavy rain at times
30°
18
Patchy rain possible
32°
19
Heavy rain at times
30°
20
Patchy rain possible
30°
21
Patchy rain possible
30°
22
Patchy rain possible
32°
23
Heavy rain at times
31°
24
Heavy rain at times
30°
25
Patchy rain possible
32°
26
Overcast
30°
27
Sunny
32°
28
Sunny
34°
29
Overcast
31°
30
Partly cloudy
32°

Temperatures trend during September in Port Aransas

See the weather trend as well as the moving average line

September weather in Port Aransas day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Patchy rain possible
Patchy rain possible
 31° /27° 2.9 mm 7
Sept. 2 Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /26° 18.3 mm 7
Sept. 3 Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /26° 16.6 mm 7
Sept. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /26° 39.6 mm 6
Sept. 5 Heavy rain at times
Heavy rain at times
 30° /25° 3.1 mm 7
Sept. 6 Patchy rain possible
Patchy rain possible
 31° /25° 0.5 mm 7
Sept. 7 Partly cloudy
Partly cloudy
 30° /24° 0 mm 8
Sept. 8 Partly cloudy
Partly cloudy
 29° /23° 0 mm 7
Sept. 9 Sunny
Sunny
 28° /23° 0 mm 7
Sept. 10 Moderate rain at times
Moderate rain at times
 29° /25° 1.5 mm 6
Sept. 11 Patchy rain possible
Patchy rain possible
 30° /24° 0.3 mm 7
Sept. 12 Moderate rain at times
Moderate rain at times
 30° /24° 1.4 mm 7
Sept. 13 Sunny
Sunny
 29° /26° 0 mm 7
Sept. 14 Cloudy
Cloudy
 30° /27° 0 mm 7
Sept. 15 Moderate rain at times
Moderate rain at times
 29° /27° 3.1 mm 6
Sept. 16 Moderate rain at times
Moderate rain at times
 29° /24° 1.1 mm 6
Sept. 17 Heavy rain at times
Heavy rain at times
 30° /26° 3.3 mm 6
Sept. 18 Patchy rain possible
Patchy rain possible
 32° /26° 1.3 mm 7
Sept. 19 Heavy rain at times
Heavy rain at times
 30° /27° 2.2 mm 7
Sept. 20 Patchy rain possible
Patchy rain possible
 30° /26° 0.3 mm 7
Sept. 21 Patchy rain possible
Patchy rain possible
 30° /27° 0.3 mm 7
Sept. 22 Patchy rain possible
Patchy rain possible
 32° /27° 0.6 mm 7
Sept. 23 Heavy rain at times
Heavy rain at times
 31° /26° 3.1 mm 7
Sept. 24 Heavy rain at times
Heavy rain at times
 30° /26° 1.4 mm 7
Sept. 25 Patchy rain possible
Patchy rain possible
 32° /26° 3.8 mm 7
Sept. 26 Overcast
Overcast
 30° /24° 19.3 mm 7
Sept. 27 Sunny
Sunny
 32° /22° 0 mm 8
Sept. 28 Sunny
Sunny
 34° /23° 0 mm 8
Sept. 29 Overcast
Overcast
 31° /23° 0 mm 7
Sept. 30 Partly cloudy
Partly cloudy
 32° /23° 0 mm 8
Next
Important Notice
Our weather forecast for Port Aransas 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 Port Aransas forecast closer to your planned date for the most up-to-date weather information.
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Port Aransas in September - FAQ

What are the expected maximum and minimum temperatures in Port Aransas during September?
During September, expect a variety of temperatures with highs around 30° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Port Aransas during September?
Significant rainfall exceeding 124 mm is expected in Port Aransas during September, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Port Aransas during September?
The average wind speed in Port Aransas during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Port Aransas

Explore the daily rainfall trends and prepare for Port Aransass September weather 💧

UV exposure in Port Aransas during September

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

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Location coordinates Where is Port Aransas?

Get accurate weather forecasts for Port Aransas, located at latitude 27.834 and longitude -97.061. Stay updated with localized weather information tailored for Port Aransas.

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