nomadseason

September Weather in Aransas Pass, United States

Last updated: June 24, 2025

In September, the average temperature in Aransas Pass, United States reaches a warm 28°C (82°F). Visitors can expect a comfortable climate, with minimum temperatures dipping to 16°C (61°F) and peaking at 34°C (93°F). However, prepare for occasional rain with an average precipitation of 141 mm (5.6 in) spread over 16 days. The air is notably humid, with an average humidity level of 79%. Enjoy the warmth while staying hydrated!

September Temperature in Aransas Pass

In September in Aransas Pass, the average temperature is 28°C (82°F), with maximums reaching 34°C (93°F) and minimums dipping as low as 16°C (61°F). This pleasant weather makes it an ideal destination for travelers seeking warmth and sunshine.

September Weather in Aransas Pass: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Aransas Pass, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aransas Pass, September typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (93°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec586068737983848482756661
Data source: Temperature data for Aransas Pass generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Aransas Pass

In Aransas Pass in September, the precipitation amount is 141 mm (5.6 in) over the course of 16 days.

September Precipitation Trends in Aransas Pass

The chart displays monthly precipitation patterns in Aransas Pass, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Aransas Pass, September typically receives around 141 mm (5.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec3931524413813610181141775247
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Aransas Pass

In Aransas Pass in September humidity is 79%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration more strenuous and requiring frequent breaks for hydration.

September Average Humidity in Aransas Pass

This chart illustrates the average monthly humidity levels in Aransas Pass, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Aransas Pass is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%79%82%81%77%78%78%79%77%78%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Aransas Pass

In Aransas Pass in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Aransas Pass.

Maximum UV Index Levels in Aransas Pass for September

The chart shows the monthly maximum UV Index (UVI) for Aransas Pass in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Aransas Pass typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121211975
Data source: Aransas Pass September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Aransas Pass Compares to Other Months

Weather in Aransas Pass varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Aransas Pass, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Aransas Pass, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)39 mm (1.5 inches)78%moderate
February Weather16°C (60°F)31 mm (1.2 inches)82%very high
March Weather20°C (68°F)52 mm (2.1 inches)79%very high
April Weather23°C (73°F)44 mm (1.7 inches)82%extreme
May Weather26°C (79°F)138 mm (5.4 inches)81%extreme
June Weather28°C (83°F)136 mm (5.4 inches)77%extreme
July Weather29°C (84°F)101 mm (4.0 inches)78%extreme
August Weather29°C (85°F)81 mm (3.2 inches)78%extreme
September Weather28°C (82°F)141 mm (5.6 inches)79%extreme
October Weather24°C (75°F)77 mm (3.0 inches)77%very high
November Weather19°C (66°F)51 mm (2.0 inches)78%high
December Weather16°C (61°F)47 mm (1.9 inches)80%moderate

Compare Aransas Pass's Climate with Cities Worldwide