September Weather in San Antonio de Buenavista, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Antonio de Buenavista, Mexico hovers around 19°C (67°F). Visitors can expect a minimum chill of 10°C (50°F) and a warm maximum of 31°C (88°F). With 134 mm (5.3 in) of precipitation spread over 17 days, it's wise to keep an umbrella handy. Don't forget to stay hydrated, as the average humidity is a notable 81%!

September Temperature in San Antonio de Buenavista

In September in San Antonio de Buenavista, the average temperature is 19°C (67°F). Maximums can reach 31°C (88°F), and minimums can be as low as 10°C (50°F). This mild weather makes San Antonio de Buenavista an ideal destination for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in San Antonio de Buenavista, 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 Buenavista, September typically has an average temperature of 19°C (67°F), with highs reaching up to 31°C (88°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec586268717372686867666258
Data source: Temperature data for San Antonio de Buenavista 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 Buenavista

In San Antonio de Buenavista in September, the total precipitation amount is 134 mm (5.3 in) over 17 days.

September Precipitation Trends in San Antonio de Buenavista

The chart displays monthly precipitation patterns in San Antonio de Buenavista, 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 Buenavista, September typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec1010732614215813613454166
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 Buenavista

In San Antonio de Buenavista in September humidity is 81%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket enveloping you, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick, prompting you to seek shade and hydration frequently.

September Average Humidity in San Antonio de Buenavista

This chart illustrates the average monthly humidity levels in San Antonio de Buenavista, 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 Buenavista 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 Buenavista

In San Antonio de Buenavista 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 Buenavista, you can check here.

Maximum UV Index Levels in San Antonio de Buenavista for September

The chart shows the monthly maximum UV Index (UVI) for San Antonio de Buenavista 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 Buenavista typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111415151413141412108
Data source: San Antonio de Buenavista 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 Buenavista Compares to Other Months

Weather in San Antonio de Buenavista 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 Buenavista, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Antonio de Buenavista, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)10 mm (0.4 inches)74%very high
February Weather17°C (63°F)10 mm (0.4 inches)65%extreme
March Weather20°C (68°F)7 mm (0.3 inches)58%extreme
April Weather22°C (71°F)3 mm (0.1 inches)58%extreme
May Weather23°C (74°F)26 mm (1.0 inches)67%extreme
June Weather22°C (72°F)142 mm (5.6 inches)76%extreme
July Weather20°C (68°F)158 mm (6.2 inches)67%extreme
August Weather20°C (68°F)136 mm (5.4 inches)68%extreme
September Weather19°C (67°F)134 mm (5.3 inches)81%extreme
October Weather19°C (66°F)54 mm (2.1 inches)83%extreme
November Weather17°C (63°F)16 mm (0.6 inches)84%very high
December Weather15°C (59°F)6 mm (0.3 inches)81%very high

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