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September Weather in Mexico Libre, Mexico

Last updated: August 27, 2025

In Mexico Libre, Mexico, the average temperature in September is a warm 26°C (80°F). Expect a cozy range, with minimums dipping to 17°C (63°F) and maximums soaring up to 38°C (101°F). Be prepared for some rain, as 103 mm (4.1 in) of precipitation is likely over 19 days. With an average humidity of 80%, the air can feel quite tropical!

September Temperature in Mexico Libre

In September in Mexico Libre, the average temperature is 26°C (80°F), with maximums reaching 38°C (101°F) and minimums dropping to as low as 17°C (63°F). This pleasant climate makes Mexico Libre an ideal destination for travelers seeking warm weather adventures.

September Weather in Mexico Libre: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mexico Libre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mexico Libre, September typically has an average temperature of 26°C (80°F), with highs reaching up to 38°C (101°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec636772778181818180767065
Data source: Temperature data for Mexico Libre 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 Mexico Libre

In Mexico Libre in September, the precipitation amount reaches 103 mm (4.1 in) over a period of 19 days.

September Precipitation Trends in Mexico Libre

The chart displays monthly precipitation patterns in Mexico Libre, 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 Mexico Libre, September typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec342847447612413883103842620
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mexico Libre

In Mexico Libre in September humidity is 80%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket, making it quite uncomfortable for traveling. The thick, heavy air can leave you feeling sticky and fatigued, making outdoor activities more challenging and necessitating frequent breaks for hydration and cooling down.

September Average Humidity in Mexico Libre

This chart illustrates the average monthly humidity levels in Mexico Libre, 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 Mexico Libre is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%83%84%85%79%71%72%80%85%88%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mexico Libre

In Mexico Libre 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 Mexico Libre.

Maximum UV Index Levels in Mexico Libre for September

The chart shows the monthly maximum UV Index (UVI) for Mexico Libre 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 Mexico Libre typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121212131313121187
Data source: Mexico Libre 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 Mexico Libre Compares to Other Months

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

This table compares monthly weather conditions in Mexico Libre, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (64°F)34 mm (1.3 inches)87%high
February Weather20°C (67°F)28 mm (1.1 inches)85%very high
March Weather22°C (72°F)47 mm (1.8 inches)83%extreme
April Weather25°C (78°F)44 mm (1.7 inches)84%extreme
May Weather27°C (81°F)76 mm (3.0 inches)85%extreme
June Weather27°C (81°F)123 mm (4.9 inches)79%extreme
July Weather27°C (81°F)138 mm (5.4 inches)71%extreme
August Weather27°C (81°F)83 mm (3.3 inches)72%extreme
September Weather26°C (80°F)103 mm (4.1 inches)80%extreme
October Weather24°C (76°F)84 mm (3.3 inches)85%extreme
November Weather21°C (70°F)26 mm (1.0 inches)88%very high
December Weather18°C (66°F)20 mm (0.8 inches)89%high

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