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September Weather in Pena Blanca, Mexico

Last updated: August 27, 2025

In Pena Blanca, Mexico, the average temperature in September hovers around 20°C (68°F), making it a pleasant time to visit. However, be prepared for fluctuations, as temperatures can drop to a minimum of 10°C (51°F) or rise to a maximum of 31°C (88°F). Expect some rain, with an average precipitation of 130 mm (5.1 in) over 20 days, and keep in mind the high average humidity of 84%. Plan accordingly to fully enjoy your stay!

September Temperature in Pena Blanca

In September in Pena Blanca, the average temperature is 20°C (68°F), with maximums reaching 31°C (88°F) and minimums dropping as low as 10°C (51°F). This pleasant temperature range makes Pena Blanca an ideal destination for travelers looking to enjoy moderate weather during their visit.

September Weather in Pena Blanca: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Pena Blanca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pena Blanca, September typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec586366717370697068656158
Data source: Temperature data for Pena Blanca 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 Pena Blanca

In Pena Blanca in September, the total precipitation amount is 130 mm (5.1 in) spread over 20 days.

September Precipitation Trends in Pena Blanca

The chart displays monthly precipitation patterns in Pena Blanca, 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 Pena Blanca, September typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec12122226571339384130893010
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pena Blanca

In Pena Blanca in September humidity is 84%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket, making travel a challenge as the air clings to your skin, and every step feels heavier in the mugginess.

September Average Humidity in Pena Blanca

This chart illustrates the average monthly humidity levels in Pena Blanca, 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 Pena Blanca 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 Pena Blanca

In Pena Blanca 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 Pena Blanca.

Maximum UV Index Levels in Pena Blanca for September

The chart shows the monthly maximum UV Index (UVI) for Pena Blanca 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 Pena Blanca typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811131414141413131297
Data source: Pena Blanca 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 Pena Blanca Compares to Other Months

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

This table compares monthly weather conditions in Pena Blanca, 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)88%very high
February Weather17°C (63°F)12 mm (0.5 inches)86%extreme
March Weather19°C (66°F)22 mm (0.9 inches)83%extreme
April Weather21°C (71°F)26 mm (1.0 inches)80%extreme
May Weather23°C (73°F)56 mm (2.2 inches)82%extreme
June Weather21°C (71°F)133 mm (5.2 inches)79%extreme
July Weather21°C (70°F)93 mm (3.7 inches)72%extreme
August Weather21°C (70°F)84 mm (3.3 inches)74%extreme
September Weather20°C (68°F)130 mm (5.1 inches)84%extreme
October Weather18°C (65°F)89 mm (3.5 inches)92%extreme
November Weather16°C (61°F)30 mm (1.2 inches)91%very high
December Weather15°C (59°F)10 mm (0.4 inches)91%high

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