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September Weather in San Pedro Pedernal, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Pedro Pedernal, Mexico is a mild 18°C (65°F). Expect cooler nights, with minimum temperatures dropping to 12°C (54°F), while daytime highs can reach up to 26°C (79°F). Be prepared for wet weather, as 274 mm (10.8 in) of precipitation is likely over 27 days, accompanied by an average humidity level of 77%.

September Temperature in San Pedro Pedernal

In September in San Pedro Pedernal, the average temperature is 18°C (65°F). Maximum temperatures can reach 26°C (79°F), while the minimum can drop as low as 12°C (54°F). This pleasant weather makes San Pedro Pedernal an ideal destination for outdoor activities and sightseeing.

September Weather in San Pedro Pedernal: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Pedro Pedernal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pedro Pedernal, September typically has an average temperature of 18°C (65°F), with highs reaching up to 26°C (79°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec575961656665646464636058
Data source: Temperature data for San Pedro Pedernal 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 Pedro Pedernal

In San Pedro Pedernal in September, the precipitation amount is 274 mm (10.8 in) over the course of 27 days.

September Precipitation Trends in San Pedro Pedernal

The chart displays monthly precipitation patterns in San Pedro Pedernal, 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 Pedro Pedernal, September typically receives around 274 mm (10.8 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec8749467720435210816227426713175
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Pedro Pedernal

In San Pedro Pedernal in September humidity is 77%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace that's both refreshing and slightly stifling, making it essential for travelers to stay hydrated and take frequent breaks to enjoy the vibrant surroundings without feeling overly fatigued.

September Average Humidity in San Pedro Pedernal

This chart illustrates the average monthly humidity levels in San Pedro Pedernal, 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 Pedro Pedernal is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%73%59%53%54%55%61%71%77%78%82%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Pedro Pedernal

In San Pedro Pedernal 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 Pedro Pedernal, you can check here.

Maximum UV Index Levels in San Pedro Pedernal for September

The chart shows the monthly maximum UV Index (UVI) for San Pedro Pedernal 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 Pedro Pedernal typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131515151515141413119
Data source: San Pedro Pedernal 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 Pedro Pedernal Compares to Other Months

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

This table compares monthly weather conditions in San Pedro Pedernal, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)87 mm (3.4 inches)84%extreme
February Weather15°C (60°F)49 mm (1.9 inches)73%extreme
March Weather16°C (62°F)46 mm (1.8 inches)59%extreme
April Weather18°C (65°F)77 mm (3.0 inches)52%extreme
May Weather19°C (66°F)204 mm (8.0 inches)53%extreme
June Weather18°C (65°F)352 mm (13.9 inches)55%extreme
July Weather18°C (64°F)107 mm (4.2 inches)61%extreme
August Weather18°C (65°F)162 mm (6.4 inches)71%extreme
September Weather18°C (65°F)274 mm (10.8 inches)77%extreme
October Weather17°C (64°F)267 mm (10.5 inches)78%extreme
November Weather16°C (61°F)131 mm (5.2 inches)82%extreme
December Weather15°C (59°F)75 mm (3.0 inches)86%very high

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