September Weather in El Refugio, Mexico

Last updated: August 27, 2025

In El Refugio, Mexico, the average temperature in September hovers around 20°C (69°F), with lows dipping to 12°C (53°F) and highs reaching up to 31°C (89°F). This month also brings an average precipitation of 159 mm (6.3 in) spread across 22 days, contributing to a notable average humidity of 81%. Whether you're enjoying the warmth or bracing for the rain, it's a month that showcases the unique climate of the region.

September Temperature in El Refugio

In September in El Refugio, the average temperature is 20°C (69°F). Maximums can reach 31°C (89°F), while minimums can dip as low as 12°C (53°F). It's a great time to explore the outdoors, so pack accordingly for both warm days and cooler evenings!

September Weather in El Refugio: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in El Refugio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Refugio, September typically has an average temperature of 20°C (69°F), with highs reaching up to 31°C (89°F) and lows dropping to around 12°C (53°F).

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

September Precipitation in El Refugio

In El Refugio in September, the total precipitation amount is 159 mm (6.3 in) over the course of 22 days.

September Precipitation Trends in El Refugio

The chart displays monthly precipitation patterns in El Refugio, 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 El Refugio, September typically receives around 159 mm (6.3 inches) of precipitation spread over approximately 22 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 El Refugio

In El Refugio in September, humidity is 81%. With an average temperature of 20°C (69°F), this humidity feels like a thick blanket embracing you, making travel a bit uncomfortable and sticky.

September Average Humidity in El Refugio

This chart illustrates the average monthly humidity levels in El Refugio, 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 El Refugio 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 El Refugio

In El Refugio 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 El Refugio.

Maximum UV Index Levels in El Refugio for September

The chart shows the monthly maximum UV Index (UVI) for El Refugio 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 El Refugio typically reaches 13, which falls under the extreme exposure category.

Data source: El Refugio 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 El Refugio Compares to Other Months

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

This table compares monthly weather conditions in El Refugio, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	6 mm (0.2 inches)	74%	very high
February Weather	18°C (65°F)	10 mm (0.4 inches)	65%	extreme
March Weather	21°C (70°F)	4 mm (0.2 inches)	58%	extreme
April Weather	23°C (73°F)	2 mm (0.1 inches)	58%	extreme
May Weather	24°C (76°F)	27 mm (1.1 inches)	67%	extreme
June Weather	23°C (73°F)	122 mm (4.8 inches)	76%	extreme
July Weather	21°C (70°F)	168 mm (6.6 inches)	67%	extreme
August Weather	21°C (70°F)	168 mm (6.6 inches)	68%	extreme
September Weather	20°C (69°F)	159 mm (6.3 inches)	81%	extreme
October Weather	20°C (69°F)	65 mm (2.5 inches)	83%	extreme
November Weather	18°C (65°F)	22 mm (0.9 inches)	84%	very high
December Weather	16°C (61°F)	3 mm (0.1 inches)	81%	very high