Port Aransas (TX)
September
Weather in Port Aransas, Texas for September 2025
Your guide to Port Aransas weather in September - trends and predictions
So far, September 2025 in Port Aransas is slightly warmer than the historical average by 0.8 °F.
The forecast for the next days in Port Aransas predicts temperatures to be around 30 °F, close to the historical average.
In general, the average temperature in Port Aransas at the beginning of September is 31.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.4 °F by the end of September.
Port Aransas in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 124 mm.
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Temperatures
Rain 🌧️
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14
Dry days
16
Rainy days
0
Snow days
30°/25°
Temperatures
22 km/h
Avg max wind
74 %
Avg humidity
Port Aransas Weather September
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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
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 32° /27° | 1.5 mm | 7 | |
| Sept. 2 |  Moderate or heavy rain shower | 32° /25° | 9.2 mm | 8 | |
| Sept. 3 | Moderate or heavy rain shower | 32° /26° | 8.3 mm | 8 | |
| Sept. 4 | Moderate or heavy rain shower | 32° /27° | 19.8 mm | 7 | |
| Sept. 5 |  Heavy rain at times | 31° /26° | 1.5 mm | 7 | |
| Sept. 6 | Patchy rain possible | 32° /26° | 0.2 mm | 8 | |
| Sept. 7 |  Partly cloudy | 30° /25° | 0 mm | 8 | |
| Sept. 8 | Partly cloudy | 31° /25° | 1.8 mm | 7 | |
| Sept. 9 |  Sunny | 30° /25° | 0 mm | 8 | |
| Sept. 10 | Moderate rain at times | 30° /25° | 7.8 mm | 7 | |
| Sept. 11 | Patchy rain possible | 31° /25° | 0.2 mm | 8 | |
| Sept. 12 | Moderate rain at times | 31° /25° | 0.7 mm | 8 | |
| Sept. 13 | Sunny | 30° /26° | 0 mm | 7 | |
| Sept. 14 |  Cloudy | 31° /27° | 0 mm | 8 | |
| Sept. 15 | Moderate rain at times | 30° /27° | 1.5 mm | 7 | |
| Sept. 16 | Moderate rain at times | 30° /25° | 0.6 mm | 7 | |
| Sept. 17 | Heavy rain at times | 30° /26° | 3.3 mm | 6 | |
| Sept. 18 |  Overcast | 29° /26° | 0 mm | 2.2 | |
| Sept. 19 | Overcast | 30° /26° | 0 mm | 2.3 | |
| Sept. 20 | Patchy rain possible | 33° /25° | 0.2 mm | 2.1 | |
| Sept. 21 | Patchy rain possible | 30° /28° | 1.5 mm | 0 | |
| Sept. 22 | Patchy rain possible | 30° /28° | 0.8 mm | 6 | |
| Sept. 23 | Patchy rain possible | 30° /26° | 0.6 mm | 6 | |
| Sept. 24 | Partly cloudy | 29° /27° | 0 mm | 7 | |
| Sept. 25 | Sunny | 31° /27° | 0 mm | 7 | |
| Sept. 26 | Sunny | 31° /28° | 0 mm | 7 | |
| Sept. 27 | Sunny | 31° /28° | 0 mm | 7 | |
| Sept. 28 | Sunny | 31° /28° | 0 mm | 7 | |
| Sept. 29 | Sunny | 30° /28° | 0 mm | 7 | |
| Sept. 30 | Patchy rain possible | 30° /28° | 1 mm | 6 | |
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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 16 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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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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