Port Aransas Weather: September
 |
Average Day Temperature: | 89.8°F |
|
Average Night Temperature: | 84.7°F |
|
Sea Water Temperature: | 89.3°F |
|
Number of Sunny Days: | 14 days |
| Sunshine Hours: | 11.9 - 12.7 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 0.9 in | |
| detailed information | ||
forecast
| Port Aransas |
Temperature
| Port Aransas |
Air Temperature in September, °F
The highest day temperature in September 2025 was 99°F. The lowest night temperature was 73°F. The average values for day and night temperatures during September were 93.6°F и 83.8°F respectivly.
Port Aransas Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for Port Aransas was 89.7°F. The maximum and minimum values were 88.0°F and 91.8°F respectively.
Most of the days in September are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Port Aransas is 0.9 in. It makes september one of the most rainy months of the year.
The average wind speed in September is 11.0 mph. It makes September the most windless month of the year for Port Aransas.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Port Aransas in September is 7.8 hours.
Port Aransas on the Weather Map
| Boston |  |
+64 |
| Chicago |  |
+66 |
| Hawaii |  |
+80 |
| Las Vegas | |
+80 |
| Los Angeles | |
+74 |
| Maui |  |
+66 |
| Miami |  |
+92 |
| Myrtle Beach |  |
+86 |
| New York | |
+72 |
| Panama City Beach | |
+90 |
| San Diego | |
+72 |
| San Francisco | |
+60 |
| Santa Monica | |
+72 |
| Sarasota | |
+94 |
| Washington | |
+76 |
| 1200 |  |
88°F | N 11 mph |
| 1500 | |
90°F | NW 14 mph |
| 1800 | |
90°F | NW 14 mph |
| 2100 |  |
88°F | NW 16 mph |
| 0000 | |
88°F | NW 16 mph |
| 0300 |  |
88°F | NW 12 mph |
| 0600 | |
88°F | NW 8 mph |
| 0900 | |
88°F | NW 7 mph |