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September Weather in San Agustin de las Juntas, Mexico

Last updated: August 27, 2025

In San Agustin de las Juntas, Mexico, the average temperature in September hovers around 19°C (66°F), offering a pleasant climate. However, be prepared for temperature variations ranging from a cool 10°C (50°F) to a warm 28°C (83°F). With an average humidity of 84%, the air can feel quite moist. Additionally, expect 227 mm (8.9 in) of precipitation spread over 20 days, so don’t forget your umbrella!

September Temperature in San Agustin de las Juntas

In September in San Agustin de las Juntas, the average temperature is 19°C (66°F). Maximums can reach 28°C (83°F) and minimums can drop as low as 10°C (50°F). This comfortable climate makes it an ideal time to explore and enjoy outdoor activities in San Agustin de las Juntas.

September Weather in San Agustin de las Juntas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Agustin de las Juntas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Agustin de las Juntas, September typically has an average temperature of 19°C (66°F), with highs reaching up to 28°C (83°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec616466686966666565656361
Data source: Temperature data for San Agustin de las Juntas 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 Agustin de las Juntas

In San Agustin de las Juntas in September, the precipitation amount is 227 mm (8.9 in) over a span of 20 days.

September Precipitation Trends in San Agustin de las Juntas

The chart displays monthly precipitation patterns in San Agustin de las Juntas, 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 Agustin de las Juntas, September typically receives around 227 mm (8.9 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec33112960215102174227109136
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Agustin de las Juntas

In San Agustin de las Juntas in September, humidity is 84%. With an average temperature of 19°C (66°F), this humidity feels like a warm, sticky embrace that can make traveling uncomfortable and exhausting, as the air clings to your skin, and every step taken feels heavier in the sultry atmosphere.

September Average Humidity in San Agustin de las Juntas

This chart illustrates the average monthly humidity levels in San Agustin de las Juntas, 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 Agustin de las Juntas is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%73%67%72%73%76%80%84%89%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Agustin de las Juntas

In San Agustin de las Juntas 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 Agustin de las Juntas, you can check here.

Maximum UV Index Levels in San Agustin de las Juntas for September

The chart shows the monthly maximum UV Index (UVI) for San Agustin de las Juntas 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 Agustin de las Juntas typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131515151515141413119
Data source: San Agustin de las Juntas 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 Agustin de las Juntas Compares to Other Months

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

This table compares monthly weather conditions in San Agustin de las Juntas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)3 mm (0.1 inches)84%very high
February Weather18°C (64°F)3 mm (0.1 inches)80%extreme
March Weather19°C (66°F)11 mm (0.4 inches)73%extreme
April Weather20°C (68°F)29 mm (1.2 inches)67%extreme
May Weather20°C (69°F)60 mm (2.4 inches)72%extreme
June Weather19°C (66°F)215 mm (8.5 inches)73%extreme
July Weather19°C (66°F)102 mm (4.0 inches)76%extreme
August Weather19°C (66°F)174 mm (6.9 inches)80%extreme
September Weather19°C (66°F)227 mm (8.9 inches)84%extreme
October Weather18°C (65°F)109 mm (4.3 inches)89%extreme
November Weather17°C (63°F)12 mm (0.5 inches)88%extreme
December Weather16°C (61°F)6 mm (0.2 inches)88%very high

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