September Weather in San Antonio Fraternidad, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Antonio Fraternidad, Mexico hovers around 26°C (79°F), providing a warm climate for residents and visitors alike. Expect temperatures to range from a comfortable 18°C (64°F) to a sweltering 35°C (95°F). However, be prepared for 250 mm (9.9 in) of precipitation spread over 24 days, resulting in a high average humidity of 86% that can make the air feel quite muggy.

September Temperature in San Antonio Fraternidad

In September, in San Antonio Fraternidad, the average temperature is 26°C (79°F). Maximums can reach 35°C (95°F), and minimums can be as low as 18°C (64°F). This makes San Antonio Fraternidad an ideal destination for travelers seeking warm weather and comfortable conditions.

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

The chart illustrates September temperature patterns in San Antonio Fraternidad, 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 Fraternidad, September typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (95°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec687073788079797978777268
Data source: Temperature data for San Antonio Fraternidad 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 San Antonio Fraternidad

In San Antonio Fraternidad in September, the precipitation amount is 250 mm (9.9 in) over a period of 24 days.

September Precipitation Trends in San Antonio Fraternidad

The chart displays monthly precipitation patterns in San Antonio Fraternidad, 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 Fraternidad, September typically receives around 250 mm (9.9 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec6668819211227513717625022313763
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in San Antonio Fraternidad

In San Antonio Fraternidad in September, humidity is 86%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket clinging to your skin, making even short walks a challenge and turning travel into a sticky, sweat-inducing experience.

September Average Humidity in San Antonio Fraternidad

This chart illustrates the average monthly humidity levels in San Antonio Fraternidad, 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 Fraternidad is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%86%84%81%82%81%81%82%86%90%91%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Antonio Fraternidad

In San Antonio Fraternidad in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Antonio Fraternidad.

Maximum UV Index Levels in San Antonio Fraternidad for September

The chart shows the monthly maximum UV Index (UVI) for San Antonio Fraternidad 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 Fraternidad typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313141413131198
Data source: San Antonio Fraternidad 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 Fraternidad Compares to Other Months

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

This table compares monthly weather conditions in San Antonio Fraternidad, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)66 mm (2.6 inches)88%very high
February Weather21°C (70°F)68 mm (2.7 inches)86%extreme
March Weather23°C (74°F)81 mm (3.2 inches)84%extreme
April Weather25°C (78°F)92 mm (3.6 inches)81%extreme
May Weather27°C (81°F)112 mm (4.4 inches)82%extreme
June Weather26°C (79°F)274 mm (10.8 inches)81%extreme
July Weather26°C (79°F)137 mm (5.4 inches)81%extreme
August Weather26°C (79°F)176 mm (6.9 inches)82%extreme
September Weather26°C (79°F)250 mm (9.9 inches)86%extreme
October Weather25°C (77°F)223 mm (8.8 inches)90%extreme
November Weather22°C (72°F)137 mm (5.4 inches)91%very high
December Weather20°C (69°F)63 mm (2.5 inches)91%very high

Compare San Antonio Fraternidad's Climate with Cities Worldwide