September Weather in Libre Union, Mexico

Last updated: August 27, 2025

In September, the average temperature in Libre Union, Mexico reaches a warm 28°C (83°F). Minimums can dip to 22°C (72°F), while maximums can soar up to 37°C (99°F). Visitors can expect a precipitation amount of 88 mm (3.5 in) over 18 days, contributing to an overall average humidity of 82%. Perfect for those who enjoy a tropical climate!

September Temperature in Libre Union

In September in Libre Union, the average temperature is 28°C (83°F). Maximums can reach up to 37°C (99°F), and minimums can drop as low as 22°C (72°F). This warm climate makes Libre Union an ideal destination for travelers looking to enjoy sunny days and vibrant outdoor activities.

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

The chart illustrates September temperature patterns in Libre Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Libre Union, September typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (99°F) and lows dropping to around 22°C (72°F).

Data source: Temperature data for Libre Union generated using information from the Copernicus Climate Change Service.

September Precipitation in Libre Union

In Libre Union in September, the precipitation amount is 88 mm (3.5 in) over a duration of 18 days.

September Precipitation Trends in Libre Union

The chart displays monthly precipitation patterns in Libre Union, 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 Libre Union, September typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 18 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Libre Union

In Libre Union in September, humidity is 82%. With an average temperature of 28°C (83°F), this humidity feels like stepping into a warm, damp embrace, which can make traveling feel heavy and exhausting, as every movement can be met with a sticky veil of moisture that clings to the skin.

September Average Humidity in Libre Union

This chart illustrates the average monthly humidity levels in Libre Union, 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 Libre Union is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Libre Union

In Libre Union 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 Libre Union.

Maximum UV Index Levels in Libre Union for September

The chart shows the monthly maximum UV Index (UVI) for Libre Union 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 Libre Union typically reaches 12, which falls under the extreme exposure category.

Data source: Libre Union 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 Libre Union Compares to Other Months

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

This table compares monthly weather conditions in Libre Union, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	24 mm (0.9 inches)	81%	very high
February Weather	25°C (78°F)	8 mm (0.3 inches)	78%	very high
March Weather	26°C (80°F)	7 mm (0.3 inches)	71%	extreme
April Weather	28°C (83°F)	32 mm (1.3 inches)	70%	extreme
May Weather	29°C (84°F)	47 mm (1.8 inches)	68%	extreme
June Weather	28°C (83°F)	165 mm (6.5 inches)	69%	extreme
July Weather	28°C (83°F)	64 mm (2.5 inches)	74%	extreme
August Weather	28°C (83°F)	107 mm (4.2 inches)	81%	extreme
September Weather	28°C (83°F)	88 mm (3.5 inches)	82%	extreme
October Weather	27°C (81°F)	126 mm (4.9 inches)	83%	extreme
November Weather	25°C (77°F)	39 mm (1.6 inches)	84%	very high
December Weather	24°C (75°F)	19 mm (0.8 inches)	86%	high