September Weather in San Bartolo de Berrios, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Bartolo de Berrios, Mexico hovers around 18°C (65°F), with a minimum of 7°C (46°F) and a pleasant maximum reaching 29°C (85°F). Expect some rain, as 121 mm (4.8 in) of precipitation falls over 17 days, contributing to an average humidity of 81%. Prepare for a mix of warmth and moisture in this vibrant season!

September Temperature in San Bartolo de Berrios

In September in San Bartolo de Berrios, the average temperature is 18°C (65°F). Maximums can reach 29°C (85°F), while minimums can drop to as low as 7°C (46°F). This mild climate makes San Bartolo de Berrios a comfortable destination for travelers looking to enjoy outdoor activities and explore the local sights.

September Weather in San Bartolo de Berrios: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Bartolo de Berrios, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Bartolo de Berrios, September typically has an average temperature of 18°C (65°F), with highs reaching up to 29°C (85°F) and lows dropping to around 7°C (46°F).

Data source: Temperature data for San Bartolo de Berrios generated using information from the Copernicus Climate Change Service.

September Precipitation in San Bartolo de Berrios

In San Bartolo de Berrios in September, the total precipitation amount is 121 mm (4.8 in) recorded over the course of 17 days.

September Precipitation Trends in San Bartolo de Berrios

The chart displays monthly precipitation patterns in San Bartolo de Berrios, 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 San Bartolo de Berrios, September typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 17 days.

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

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Millimeters (mm) Inches (in)

September Humidity in San Bartolo de Berrios

In San Bartolo de Berrios in September, humidity is 81%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick and sultry—a challenging environment for traveling.

September Average Humidity in San Bartolo de Berrios

This chart illustrates the average monthly humidity levels in San Bartolo de Berrios, 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 San Bartolo de Berrios is approximately 81%, 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 San Bartolo de Berrios

In San Bartolo de Berrios 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 San Bartolo de Berrios, you can check here.

Maximum UV Index Levels in San Bartolo de Berrios for September

The chart shows the monthly maximum UV Index (UVI) for San Bartolo de Berrios 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 San Bartolo de Berrios typically reaches 14, which falls under the extreme exposure category.

Data source: San Bartolo de Berrios 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 San Bartolo de Berrios Compares to Other Months

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

This table compares monthly weather conditions in San Bartolo de Berrios, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	7 mm (0.3 inches)	74%	very high
February Weather	15°C (60°F)	10 mm (0.4 inches)	65%	extreme
March Weather	18°C (64°F)	14 mm (0.5 inches)	58%	extreme
April Weather	20°C (68°F)	9 mm (0.4 inches)	58%	extreme
May Weather	21°C (71°F)	45 mm (1.8 inches)	67%	extreme
June Weather	20°C (68°F)	120 mm (4.7 inches)	76%	extreme
July Weather	19°C (67°F)	106 mm (4.2 inches)	67%	extreme
August Weather	20°C (67°F)	77 mm (3.0 inches)	68%	extreme
September Weather	18°C (65°F)	121 mm (4.8 inches)	81%	extreme
October Weather	17°C (63°F)	63 mm (2.5 inches)	83%	extreme
November Weather	15°C (58°F)	23 mm (0.9 inches)	84%	very high
December Weather	13°C (55°F)	7 mm (0.3 inches)	81%	very high