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September Weather in Tlachaloya, Mexico

Last updated: August 27, 2025

In September, the average temperature in Tlachaloya, Mexico is a comfortable 14°C (58°F). Expect a minimum of 4°C (40°F) and a maximum of 23°C (73°F). Be prepared for some rain, as precipitation amounts can reach 237 mm (9.3 in) over 23 days, contributing to an average humidity of 82%.

September Temperature in Tlachaloya

In September in Tlachaloya, the average temperature is 14°C (58°F), with maximums reaching 23°C (73°F) and minimums dipping as low as 4°C (40°F). This mild climate makes Tlachaloya an ideal destination for a pleasant getaway.

September Weather in Tlachaloya: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Tlachaloya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tlachaloya, September typically has an average temperature of 14°C (58°F), with highs reaching up to 23°C (73°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec515457596059575757565352
Data source: Temperature data for Tlachaloya 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 Tlachaloya

In Tlachaloya in September, the precipitation amount is 237 mm (9.3 in) spread over 23 days.

September Precipitation Trends in Tlachaloya

The chart displays monthly precipitation patterns in Tlachaloya, 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 Tlachaloya, September typically receives around 237 mm (9.3 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec142232548920027027623789298
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tlachaloya

In Tlachaloya in September, humidity is 82%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and sticky.

September Average Humidity in Tlachaloya

This chart illustrates the average monthly humidity levels in Tlachaloya, 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 Tlachaloya is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tlachaloya

In Tlachaloya 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 Tlachaloya, you can check here.

Maximum UV Index Levels in Tlachaloya for September

The chart shows the monthly maximum UV Index (UVI) for Tlachaloya 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 Tlachaloya typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121515161514141412109
Data source: Tlachaloya 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 Tlachaloya Compares to Other Months

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

This table compares monthly weather conditions in Tlachaloya, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)14 mm (0.5 inches)84%very high
February Weather12°C (54°F)22 mm (0.9 inches)78%extreme
March Weather14°C (57°F)32 mm (1.3 inches)75%extreme
April Weather15°C (59°F)54 mm (2.1 inches)70%extreme
May Weather16°C (60°F)89 mm (3.5 inches)77%extreme
June Weather15°C (60°F)200 mm (7.9 inches)76%extreme
July Weather14°C (58°F)270 mm (10.6 inches)68%extreme
August Weather14°C (58°F)276 mm (10.8 inches)70%extreme
September Weather14°C (58°F)237 mm (9.3 inches)82%extreme
October Weather13°C (56°F)89 mm (3.5 inches)91%extreme
November Weather12°C (54°F)29 mm (1.1 inches)89%very high
December Weather11°C (52°F)7 mm (0.3 inches)88%very high

Compare Tlachaloya's Climate with Cities Worldwide