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September Weather in Santiago Teotlasco, Mexico

Last updated: August 27, 2025

In Santiago Teotlasco, Mexico, the average temperature in September is 21°C (71°F). You'll experience a mild range, with minimums dipping to 14°C (58°F) and maximums reaching 30°C (86°F). Prepare for a damp month, as 483 mm (19.0 in) of precipitation often falls over 26 days, contributing to an average humidity of 84%.

September Temperature in Santiago Teotlasco

In September, in Santiago Teotlasco, the average temperature is 21°C (71°F). Maximums can reach 30°C (86°F), and minimums can be as low as 14°C (58°F). This pleasant climate makes it an ideal time to explore and enjoy outdoor activities in Santiago Teotlasco.

September Weather in Santiago Teotlasco: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santiago Teotlasco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago Teotlasco, September typically has an average temperature of 21°C (71°F), with highs reaching up to 30°C (86°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec626467707371707171696563
Data source: Temperature data for Santiago Teotlasco 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 Santiago Teotlasco

In Santiago Teotlasco in September, the total precipitation amount is 483 mm (19.0 in), distributed over 26 days, creating a relatively wet climate during that time.

September Precipitation Trends in Santiago Teotlasco

The chart displays monthly precipitation patterns in Santiago Teotlasco, 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 Santiago Teotlasco, September typically receives around 483 mm (19.0 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec1131098799164416184312483355210102
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santiago Teotlasco

In Santiago Teotlasco in September, humidity is 84%. With an average temperature of 21°C (71°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and sluggish, making outdoor adventures a bit more challenging but also invigorating in the right moments.

September Average Humidity in Santiago Teotlasco

This chart illustrates the average monthly humidity levels in Santiago Teotlasco, 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 Santiago Teotlasco 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 Santiago Teotlasco

In Santiago Teotlasco 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 Santiago Teotlasco, you can check here.

Maximum UV Index Levels in Santiago Teotlasco for September

The chart shows the monthly maximum UV Index (UVI) for Santiago Teotlasco 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 Santiago Teotlasco typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141415131412109
Data source: Santiago Teotlasco 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 Santiago Teotlasco Compares to Other Months

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

This table compares monthly weather conditions in Santiago Teotlasco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)113 mm (4.5 inches)84%very high
February Weather18°C (65°F)109 mm (4.3 inches)80%extreme
March Weather19°C (67°F)87 mm (3.4 inches)73%extreme
April Weather21°C (71°F)99 mm (3.9 inches)67%extreme
May Weather23°C (73°F)163 mm (6.4 inches)72%extreme
June Weather22°C (72°F)416 mm (16.4 inches)73%extreme
July Weather21°C (71°F)184 mm (7.2 inches)76%extreme
August Weather21°C (71°F)312 mm (12.3 inches)80%extreme
September Weather21°C (71°F)483 mm (19.0 inches)84%extreme
October Weather21°C (69°F)354 mm (14.0 inches)89%extreme
November Weather18°C (65°F)210 mm (8.3 inches)88%very high
December Weather17°C (63°F)102 mm (4.0 inches)88%very high

Compare Santiago Teotlasco's Climate with Cities Worldwide