September Weather in Etzatlan, Mexico

Last updated: August 27, 2025

In September, the average temperature in Etzatlan, Mexico is a comfortable 21°C (71°F), with nighttime lows dipping to around 15°C (60°F) and daytime highs reaching up to 31°C (87°F). Expect frequent showers, as the region experiences approximately 218 mm (8.6 inches) of precipitation spread over 23 days. Humidity levels are typically high at 84%, contributing to the lush and vibrant atmosphere of the area.

September Temperature in Etzatlan

In September in Etzatlan, the average temperature is 21°C (71°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop to as low as 15°C (60°F). This makes it an ideal time for travelers seeking pleasant weather and outdoor activities.

September Weather in Etzatlan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Etzatlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Etzatlan, September typically has an average temperature of 21°C (71°F), with highs reaching up to 31°C (87°F) and lows dropping to around 15°C (60°F).

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

September Precipitation in Etzatlan

In Etzatlan in September, the precipitation amount is 218 mm (8.6 in) during 23 days, indicating a relatively wet period for that time of year.

September Precipitation Trends in Etzatlan

The chart displays monthly precipitation patterns in Etzatlan, 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 Etzatlan, September typically receives around 218 mm (8.6 inches) of precipitation spread over approximately 23 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 Etzatlan

In Etzatlan in September, humidity is 84%. With an average temperature of 21°C (71°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and sluggish, making outdoor adventures a bit more challenging but also invigorating in the right moments.

September Average Humidity in Etzatlan

This chart illustrates the average monthly humidity levels in Etzatlan, 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 Etzatlan is approximately 84%, 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 Etzatlan

In Etzatlan 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 Etzatlan.

Maximum UV Index Levels in Etzatlan for September

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

Data source: Etzatlan 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 Etzatlan Compares to Other Months

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

This table compares monthly weather conditions in Etzatlan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (62°F)	12 mm (0.5 inches)	64%	very high
February Weather	18°C (65°F)	18 mm (0.7 inches)	57%	extreme
March Weather	21°C (69°F)	2 mm (0.1 inches)	46%	extreme
April Weather	22°C (72°F)	1 mm (0.0 inches)	42%	extreme
May Weather	24°C (75°F)	14 mm (0.5 inches)	51%	extreme
June Weather	24°C (75°F)	101 mm (4.0 inches)	74%	extreme
July Weather	22°C (71°F)	204 mm (8.0 inches)	79%	extreme
August Weather	22°C (72°F)	193 mm (7.6 inches)	81%	extreme
September Weather	21°C (71°F)	218 mm (8.6 inches)	84%	extreme
October Weather	21°C (70°F)	78 mm (3.1 inches)	75%	extreme
November Weather	19°C (67°F)	17 mm (0.7 inches)	71%	very high
December Weather	17°C (62°F)	15 mm (0.6 inches)	74%	very high