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September Weather in Gun Barrel City, United States

Last updated: June 24, 2025

In September, the average temperature in Gun Barrel City, United States reaches a warm 27°C (81°F). However, expect a range with minimum temperatures dropping to 11°C (51°F) and highs soaring to 39°C (102°F). During this month, precipitation averages 104 mm (4.1 in) spread over 9 days, coupled with an average humidity of 65%.

September Temperature in Gun Barrel City

In September in Gun Barrel City, the average temperature is 27°C (81°F). The maximum can reach 39°C (102°F), and the minimum can be as low as 11°C (51°F). This makes it a great time to visit for those who enjoy warm weather, but it's advisable to prepare for both the heat and cooler evenings.

September Weather in Gun Barrel City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Gun Barrel City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gun Barrel City, September typically has an average temperature of 27°C (81°F), with highs reaching up to 39°C (102°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec495161667582858580695853
Data source: Temperature data for Gun Barrel City generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Gun Barrel City

In Gun Barrel City in September, the precipitation amount is 104 mm (4.1 in) over the course of 9 days.

September Precipitation Trends in Gun Barrel City

The chart displays monthly precipitation patterns in Gun Barrel City, 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 Gun Barrel City, September typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec811161051221668968791041326381
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gun Barrel City

In Gun Barrel City in September, humidity is 65%. With an average temperature of 27°C (81°F), this humidity feels like a warm embrace, making travel feel both refreshing and slightly sticky as you explore the sights and sounds around you.

September Average Humidity in Gun Barrel City

This chart illustrates the average monthly humidity levels in Gun Barrel City, 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 Gun Barrel City is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gun Barrel City

In Gun Barrel City in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Gun Barrel City.

Maximum UV Index Levels in Gun Barrel City for September

The chart shows the monthly maximum UV Index (UVI) for Gun Barrel City 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 Gun Barrel City typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Gun Barrel City 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 Gun Barrel City Compares to Other Months

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

This table compares monthly weather conditions in Gun Barrel City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)81 mm (3.2 inches)80%moderate
February Weather10°C (51°F)116 mm (4.6 inches)79%high
March Weather16°C (62°F)105 mm (4.1 inches)78%very high
April Weather19°C (66°F)122 mm (4.8 inches)78%very high
May Weather24°C (75°F)166 mm (6.5 inches)81%extreme
June Weather28°C (82°F)89 mm (3.5 inches)78%extreme
July Weather30°C (85°F)68 mm (2.7 inches)73%extreme
August Weather30°C (86°F)79 mm (3.1 inches)66%extreme
September Weather27°C (81°F)104 mm (4.1 inches)65%very high
October Weather21°C (69°F)132 mm (5.2 inches)72%very high
November Weather14°C (58°F)63 mm (2.5 inches)82%high
December Weather12°C (53°F)81 mm (3.2 inches)87%moderate

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