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September Weather in Potrero del Llano, Mexico

Last updated: August 27, 2025

In September, the average temperature in Potrero del Llano, Mexico is a warm 27°C (82°F), with a minimum of 18°C (64°F) and a maximum soaring to 37°C (100°F). Visitors can expect 189 mm (7.4 in) of precipitation spread over 20 days, contributing to a high average humidity of 84%.

September Temperature in Potrero del Llano

In September in Potrero del Llano, the average temperature is 27°C (82°F). Maximums can reach 37°C (100°F), and minimums can be as low as 18°C (64°F). Pack light clothing and stay hydrated, as the warm temperatures make it an ideal time for outdoor activities and exploration.

September Weather in Potrero del Llano: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Potrero del Llano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Potrero del Llano, September typically has an average temperature of 27°C (82°F), with highs reaching up to 37°C (100°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec677074798383838381787268
Data source: Temperature data for Potrero del Llano 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 Potrero del Llano

In Potrero del Llano in September, the precipitation amount is 189 mm (7.4 in) over the course of 20 days.

September Precipitation Trends in Potrero del Llano

The chart displays monthly precipitation patterns in Potrero del Llano, 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 Potrero del Llano, September typically receives around 189 mm (7.4 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec492740631392001231521891966318
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Potrero del Llano

In Potrero del Llano in September humidity is 84%. With an average temperature of 27°C (82°F), this humidity feels like walking through a warm, damp blanket, making travel feel heavier and more exhausting.

September Average Humidity in Potrero del Llano

This chart illustrates the average monthly humidity levels in Potrero del Llano, 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 Potrero del Llano is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Potrero del Llano

In Potrero del Llano in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Potrero del Llano.

Maximum UV Index Levels in Potrero del Llano for September

The chart shows the monthly maximum UV Index (UVI) for Potrero del Llano 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 Potrero del Llano typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710111212131312121087
Data source: Potrero del Llano 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 Potrero del Llano Compares to Other Months

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

This table compares monthly weather conditions in Potrero del Llano, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)49 mm (1.9 inches)88%high
February Weather21°C (70°F)27 mm (1.1 inches)86%very high
March Weather23°C (74°F)40 mm (1.6 inches)83%extreme
April Weather26°C (79°F)63 mm (2.5 inches)80%extreme
May Weather28°C (83°F)138 mm (5.5 inches)82%extreme
June Weather28°C (83°F)200 mm (7.9 inches)79%extreme
July Weather28°C (83°F)123 mm (4.8 inches)72%extreme
August Weather29°C (84°F)152 mm (6.0 inches)74%extreme
September Weather27°C (82°F)189 mm (7.4 inches)84%extreme
October Weather25°C (78°F)196 mm (7.7 inches)92%very high
November Weather22°C (72°F)63 mm (2.5 inches)91%very high
December Weather20°C (69°F)18 mm (0.7 inches)91%high

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