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September Weather in Las Mesas, Mexico

Last updated: August 27, 2025

In September, the average temperature in Las Mesas, Mexico is a warm 25°C (77°F), with a minimum of 19°C (66°F) and a maximum reaching 34°C (93°F). Expect a fair amount of rain, with 431 mm (17.0 in) of precipitation spread over 27 days. Additionally, the air feels quite humid, averaging around 82% humidity.

September Temperature in Las Mesas

In September in Las Mesas, the average temperature is 25°C (77°F), with maximums reaching 34°C (93°F) and minimums dropping to as low as 19°C (66°F). This pleasant weather makes it an ideal time for outdoor activities and sightseeing.

September Weather in Las Mesas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Las Mesas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Las Mesas, September typically has an average temperature of 25°C (77°F), with highs reaching up to 34°C (93°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec767880828279797877777775
Data source: Temperature data for Las Mesas 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 Las Mesas

In Las Mesas in September, the precipitation amount is 431 mm (17.0 in) over the course of 27 days.

September Precipitation Trends in Las Mesas

The chart displays monthly precipitation patterns in Las Mesas, 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 Las Mesas, September typically receives around 431 mm (17.0 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec5422382832293874323487326
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Las Mesas

In Las Mesas in September, humidity is 82%. With an average temperature of 25°C (77°F), this humidity feels like a warm, oppressive blanket enveloping you as you explore, making every step feel more laborious and prompting the need for frequent hydration breaks.

September Average Humidity in Las Mesas

This chart illustrates the average monthly humidity levels in Las Mesas, 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 Las Mesas is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%59%62%73%78%79%82%82%79%72%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Las Mesas

In Las Mesas 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 Las Mesas, you can check here.

Maximum UV Index Levels in Las Mesas for September

The chart shows the monthly maximum UV Index (UVI) for Las Mesas 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 Las Mesas typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1011141314141413141298
Data source: Las Mesas 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 Las Mesas Compares to Other Months

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

This table compares monthly weather conditions in Las Mesas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)5 mm (0.2 inches)65%very high
February Weather25°C (78°F)4 mm (0.1 inches)61%extreme
March Weather27°C (80°F)2 mm (0.1 inches)59%extreme
April Weather28°C (82°F)2 mm (0.1 inches)62%extreme
May Weather28°C (83°F)38 mm (1.5 inches)73%extreme
June Weather26°C (79°F)283 mm (11.1 inches)78%extreme
July Weather26°C (79°F)229 mm (9.0 inches)79%extreme
August Weather25°C (78°F)387 mm (15.2 inches)82%extreme
September Weather25°C (77°F)431 mm (17.0 inches)82%extreme
October Weather25°C (77°F)348 mm (13.7 inches)79%extreme
November Weather25°C (77°F)73 mm (2.9 inches)72%very high
December Weather24°C (76°F)26 mm (1.0 inches)70%very high

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