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September Weather in Pedernales, Mexico

Last updated: August 27, 2025

In September, the average temperature in Pedernales, Mexico is a comfortable 18°C (65°F), with the mercury sometimes dipping as low as 8°C (47°F) and peaking at a warm 29°C (85°F). Expect some rain, with an average precipitation of 81 mm (3.2 in) over approximately 13 days. The air tends to be quite humid, with an average humidity of 79%, adding a touch of tropical flair to your experience!

September Temperature in Pedernales

In September in Pedernales, the average temperature is 18°C (65°F), with maximums reaching 29°C (85°F) and minimums dropping as low as 8°C (47°F). This climate makes it an ideal time for travelers to enjoy pleasant outdoor activities.

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

The chart illustrates September temperature patterns in Pedernales, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pedernales, September typically has an average temperature of 18°C (65°F), with highs reaching up to 29°C (85°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec454854616773696865605345
Data source: Temperature data for Pedernales 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 Pedernales

In Pedernales in September, the precipitation amount is 81 mm (3.2 in) over the course of 13 days.

September Precipitation Trends in Pedernales

The chart displays monthly precipitation patterns in Pedernales, 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 Pedernales, September typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec981135301078781302016
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pedernales

In Pedernales in September, humidity is 79%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm mist, making traveling slightly uncomfortable and sticky, but offering a refreshing escape when you find moments of shade or a breeze.

September Average Humidity in Pedernales

This chart illustrates the average monthly humidity levels in Pedernales, 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 Pedernales is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%71%60%52%49%50%65%70%79%77%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Pedernales

In Pedernales in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Pedernales.

Maximum UV Index Levels in Pedernales for September

The chart shows the monthly maximum UV Index (UVI) for Pedernales 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 Pedernales typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111414141313131086
Data source: Pedernales 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 Pedernales Compares to Other Months

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

This table compares monthly weather conditions in Pedernales, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)9 mm (0.4 inches)78%high
February Weather9°C (48°F)8 mm (0.3 inches)71%very high
March Weather12°C (54°F)10 mm (0.4 inches)60%extreme
April Weather16°C (61°F)3 mm (0.1 inches)52%extreme
May Weather20°C (67°F)5 mm (0.2 inches)49%extreme
June Weather23°C (73°F)30 mm (1.2 inches)50%extreme
July Weather20°C (69°F)107 mm (4.2 inches)65%extreme
August Weather20°C (68°F)87 mm (3.4 inches)70%extreme
September Weather18°C (65°F)81 mm (3.2 inches)79%extreme
October Weather16°C (60°F)30 mm (1.2 inches)77%very high
November Weather12°C (53°F)20 mm (0.8 inches)83%very high
December Weather7°C (45°F)16 mm (0.6 inches)84%high

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