September Weather in San Esteban Amatlan, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Esteban Amatlan, Mexico is a pleasant 20°C (68°F). While temperatures can drop to a chilly 12°C (54°F), they can also soar to a warm 30°C (85°F). Expect 263 mm (10.4 in) of rainfall over approximately 22 days, contributing to a high average humidity of 84%.

September Temperature in San Esteban Amatlan

In September in San Esteban Amatlan, the average temperature is 20°C (68°F). Maximums can reach 30°C (85°F), while minimums can drop to as low as 12°C (54°F). This pleasant climate makes San Esteban Amatlan an ideal destination for travelers seeking comfortable weather.

September Weather in San Esteban Amatlan: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Esteban Amatlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Esteban Amatlan, September typically has an average temperature of 20°C (68°F), with highs reaching up to 30°C (85°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in San Esteban Amatlan

In San Esteban Amatlan in September, the total precipitation amount is 263 mm (10.4 in), occurring over the course of 22 days.

September Precipitation Trends in San Esteban Amatlan

The chart displays monthly precipitation patterns in San Esteban Amatlan, 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 Esteban Amatlan, September typically receives around 263 mm (10.4 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 San Esteban Amatlan

In San Esteban Amatlan in September humidity is 84%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket, making travel a challenge as the air clings to your skin, and every step feels heavier in the mugginess.

September Average Humidity in San Esteban Amatlan

This chart illustrates the average monthly humidity levels in San Esteban Amatlan, 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 Esteban Amatlan 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 San Esteban Amatlan

In San Esteban Amatlan in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Esteban Amatlan.

Maximum UV Index Levels in San Esteban Amatlan for September

The chart shows the monthly maximum UV Index (UVI) for San Esteban Amatlan 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 Esteban Amatlan typically reaches 15, which falls under the extreme exposure category.

Data source: San Esteban Amatlan 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 Esteban Amatlan Compares to Other Months

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

This table compares monthly weather conditions in San Esteban Amatlan, 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 (64°F)	1 mm (0.0 inches)	84%	extreme
February Weather	19°C (66°F)	1 mm (0.0 inches)	80%	extreme
March Weather	20°C (69°F)	2 mm (0.1 inches)	73%	extreme
April Weather	22°C (72°F)	8 mm (0.3 inches)	67%	extreme
May Weather	23°C (73°F)	57 mm (2.2 inches)	72%	extreme
June Weather	21°C (69°F)	243 mm (9.6 inches)	73%	extreme
July Weather	20°C (68°F)	153 mm (6.0 inches)	76%	extreme
August Weather	20°C (68°F)	236 mm (9.3 inches)	80%	extreme
September Weather	20°C (68°F)	263 mm (10.4 inches)	84%	extreme
October Weather	19°C (67°F)	99 mm (3.9 inches)	89%	extreme
November Weather	18°C (65°F)	8 mm (0.3 inches)	88%	extreme
December Weather	17°C (64°F)	5 mm (0.2 inches)	88%	very high