September Weather in San Antonio de la Garza, Mexico

Last updated: August 27, 2025

In San Antonio de la Garza, Mexico, the average temperature in September hovers around 20°C (68°F), with a comfortable range between a chilly 10°C (50°F) and a warm 32°C (89°F). You can expect 139 mm (5.5 in) of precipitation over approximately 18 days, leading to an average humidity of 81%. Don’t forget your umbrella, but also enjoy the delightful warmth this month has to offer!

September Temperature in San Antonio de la Garza

In September in San Antonio de la Garza, the average temperature is 20°C (68°F). The maximum can reach 32°C (89°F) and the minimum can be as low as 10°C (50°F). This mild climate makes it an ideal time for travelers to explore the area comfortably.

September Weather in San Antonio de la Garza: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Antonio de la Garza, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio de la Garza, September typically has an average temperature of 20°C (68°F), with highs reaching up to 32°C (89°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec606470737573696968686460
Data source: Temperature data for San Antonio de la Garza 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 San Antonio de la Garza

In San Antonio de la Garza in September, the precipitation amount is 139 mm (5.5 in) over the course of 18 days.

September Precipitation Trends in San Antonio de la Garza

The chart displays monthly precipitation patterns in San Antonio de la Garza, 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 San Antonio de la Garza, September typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec79412915217313713948146
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Antonio de la Garza

In San Antonio de la Garza in September humidity is 81%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace that can make outdoor activities feel steamy and exhausting, potentially leading travelers to seek shade or a refreshing drink more often.

September Average Humidity in San Antonio de la Garza

This chart illustrates the average monthly humidity levels in San Antonio de la Garza, 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 San Antonio de la Garza is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%65%58%58%67%76%67%68%81%83%84%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Antonio de la Garza

In San Antonio de la Garza in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Antonio de la Garza, you can check here.

Maximum UV Index Levels in San Antonio de la Garza for September

The chart shows the monthly maximum UV Index (UVI) for San Antonio de la Garza 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 San Antonio de la Garza typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111414151413141412108
Data source: San Antonio de la Garza 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 San Antonio de la Garza Compares to Other Months

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

This table compares monthly weather conditions in San Antonio de la Garza, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (60°F)7 mm (0.3 inches)74%very high
February Weather18°C (64°F)9 mm (0.4 inches)65%extreme
March Weather21°C (70°F)4 mm (0.2 inches)58%extreme
April Weather23°C (73°F)1 mm (0.1 inches)58%extreme
May Weather24°C (75°F)29 mm (1.2 inches)67%extreme
June Weather23°C (73°F)152 mm (6.0 inches)76%extreme
July Weather20°C (69°F)173 mm (6.8 inches)67%extreme
August Weather21°C (69°F)137 mm (5.4 inches)68%extreme
September Weather20°C (68°F)139 mm (5.5 inches)81%extreme
October Weather20°C (68°F)48 mm (1.9 inches)83%extreme
November Weather18°C (64°F)14 mm (0.6 inches)84%very high
December Weather15°C (60°F)6 mm (0.2 inches)81%very high

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