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September Weather in San Martin Tlapala, Mexico

Last updated: August 26, 2025

In September, the average temperature in San Martin Tlapala, Mexico hovers around 17°C (63°F), making it a comfortable time to visit. You can expect a minimum of 10°C (50°F) and a pleasant maximum of 26°C (79°F). However, be prepared for some rain, as the area receives about 281 mm (11.1 in) of precipitation spread over 26 days. With an average humidity of 82%, the air can feel a bit moist, so dress accordingly!

September Temperature in San Martin Tlapala

In September in San Martin Tlapala, the average temperature is 17°C (63°F). Maximums can reach 26°C (79°F), while minimums can drop to as low as 10°C (50°F). This makes it an ideal time for travelers to enjoy pleasant weather and outdoor activities.

September Weather in San Martin Tlapala: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Martin Tlapala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Martin Tlapala, September typically has an average temperature of 17°C (63°F), with highs reaching up to 26°C (79°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec576164666664646463636058
Data source: Temperature data for San Martin Tlapala 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 Martin Tlapala

In San Martin Tlapala in September, the total precipitation amount is 281 mm (11.1 in) spread over 26 days.

September Precipitation Trends in San Martin Tlapala

The chart displays monthly precipitation patterns in San Martin Tlapala, 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 Martin Tlapala, September typically receives around 281 mm (11.1 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec1282766162311216239281125425
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Martin Tlapala

In San Martin Tlapala in September, humidity is 82%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you—comfortable yet heavy, making outdoor activities more taxing and requiring frequent breaks for hydration.

September Average Humidity in San Martin Tlapala

This chart illustrates the average monthly humidity levels in San Martin Tlapala, 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 Martin Tlapala 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 San Martin Tlapala

In San Martin Tlapala 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 Martin Tlapala, you can check here.

Maximum UV Index Levels in San Martin Tlapala for September

The chart shows the monthly maximum UV Index (UVI) for San Martin Tlapala 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 Martin Tlapala typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141413109
Data source: San Martin Tlapala 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 Martin Tlapala Compares to Other Months

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

This table compares monthly weather conditions in San Martin Tlapala, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)12 mm (0.5 inches)84%very high
February Weather16°C (61°F)8 mm (0.3 inches)78%extreme
March Weather18°C (65°F)27 mm (1.1 inches)75%extreme
April Weather19°C (66°F)66 mm (2.6 inches)70%extreme
May Weather19°C (66°F)162 mm (6.4 inches)77%extreme
June Weather18°C (64°F)311 mm (12.2 inches)76%extreme
July Weather18°C (64°F)216 mm (8.5 inches)68%extreme
August Weather18°C (64°F)239 mm (9.4 inches)70%extreme
September Weather17°C (63°F)281 mm (11.1 inches)82%extreme
October Weather17°C (63°F)125 mm (4.9 inches)91%extreme
November Weather16°C (61°F)42 mm (1.7 inches)89%very high
December Weather15°C (58°F)5 mm (0.2 inches)88%very high

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