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Water temperature in Aransas Pass (TX) in September

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Is it warm enough to swim in Aransas Pass in September? Average water temperature in Aransas Pass in September is 84.4°F and therefore suitable for comfortable swimming. The warmest sea in Aransas Pass in September is 87.8°F, and the coldest is 79.2°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Aransas Pass

Changes water temperature in Aransas Pass in September 2025, 2024

To get an accurate forecast for the water temperature in Aransas Pass for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Aransas Pass, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
September 186.9°F87.4°F82.9°F87.8°F
September 286.4°F86.9°F83.1°F87.3°F
September 386.9°F86.7°F83.7°F87.4°F
September 487.8°F86.2°F83.7°F87.8°F
September 5 83.8°F83.5°F87.4°F
September 6 83.8°F82.4°F87.3°F
September 7 83.3°F82.9°F87.6°F
September 8 83.1°F82.9°F87.4°F
September 9 82.8°F82.8°F87.6°F
September 10 82.6°F82.6°F87.8°F
September 11 81.5°F81.5°F87.1°F
September 12 82°F81.9°F86.7°F
September 13 83.1°F81.5°F86.9°F
September 14 84°F81.7°F86.7°F
September 15 84°F81.9°F87.3°F
Day 2025 2024 Min Max
September 16 84.6°F81.9°F87.1°F
September 17 85.3°F81.3°F86.5°F
September 18 85.3°F81.9°F87.3°F
September 19 86°F81.9°F87.3°F
September 20 85.5°F81.5°F87.4°F
September 21 85.6°F81.3°F87.8°F
September 22 85.8°F81.1°F87.4°F
September 23 85.8°F80.4°F87.3°F
September 24 85.1°F80.2°F87.1°F
September 25 84.9°F79.9°F87.4°F
September 26 84.4°F79.7°F85.8°F
September 27 83.1°F79.5°F86°F
September 28 83.3°F79.5°F85.6°F
September 29 83.7°F79.2°F85.8°F
September 30 83.3°F79.2°F85.1°F
Aransas Pass water temp chart in September

Average water temperature in Aransas Pass in September over a decade

20152016201720182019
83.5°F86.2°F83.1°F84.2°F85.6°F
20202021202220232024
83.7°F84.6°F85.3°F86.7°F84.4°F

Aransas Pass sea state in September

Chart comparing the height of waves in Aransas Pass in September over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Aransas Pass in September

Aransas Pass water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in September?

Want to know where the water temperature in September is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Port Aransas84.6°F79.2°F87.8°F
Rockport84.2°F79°F88.3°F
Mustang Island84.6°F79.2°F87.6°F
Whitecap Beach84.6°F79.3°F87.4°F
Padre Balli Park84.6°F79.3°F87.4°F
North Padre Island84.6°F79.3°F87.6°F
Malaquite Beach84.6°F79.3°F87.8°F
Padre Island84.6°F79.3°F87.8°F
Seadrift84.2°F78.1°F88°F
Port Lavaca84°F78.6°F88.9°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Aransas Pass is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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