September Weather in Acatempan, Mexico

Last updated: August 27, 2025

In Acatempan, Mexico, the average temperature in September hovers around 23°C (74°F). Expect a minimum of 17°C (64°F) and a maximum of 30°C (87°F), providing a pleasant range for outdoor activities. However, be prepared for the possibility of rain, as precipitation amounts can reach 329 mm (12.9 in) over 29 days, resulting in an average humidity of 85%.

September Temperature in Acatempan

In September in Acatempan, the average temperature is 23°C (74°F), with maximums reaching up to 30°C (87°F) and minimums dropping as low as 17°C (64°F). This pleasant climate makes Acatempan an ideal destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Acatempan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Acatempan, September typically has an average temperature of 23°C (74°F), with highs reaching up to 30°C (87°F) and lows dropping to around 17°C (64°F).

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

September Precipitation in Acatempan

In Acatempan in September, the precipitation amount is 329 mm (12.9 in) over the course of 29 days.

September Precipitation Trends in Acatempan

The chart displays monthly precipitation patterns in Acatempan, 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 Acatempan, September typically receives around 329 mm (12.9 inches) of precipitation spread over approximately 29 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 Acatempan

In Acatempan in September humidity is 85%. With an average temperature of 23°C (74°F), this humidity feels like a thick, steamy blanket wrapping around you, making outdoor activities draining and sweaty, and leaving you longing for a cool breeze or a refreshing drink to ease the discomfort while traveling.

September Average Humidity in Acatempan

This chart illustrates the average monthly humidity levels in Acatempan, 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 Acatempan is approximately 85%, 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 Acatempan

In Acatempan 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 Acatempan, you can check here.

Maximum UV Index Levels in Acatempan for September

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

Data source: Acatempan 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 Acatempan Compares to Other Months

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

This table compares monthly weather conditions in Acatempan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	2 mm (0.1 inches)	70%	very high
February Weather	24°C (75°F)	5 mm (0.2 inches)	64%	extreme
March Weather	26°C (79°F)	4 mm (0.1 inches)	54%	extreme
April Weather	27°C (81°F)	6 mm (0.2 inches)	61%	extreme
May Weather	27°C (81°F)	63 mm (2.5 inches)	75%	extreme
June Weather	24°C (76°F)	266 mm (10.5 inches)	83%	extreme
July Weather	24°C (75°F)	284 mm (11.2 inches)	83%	extreme
August Weather	23°C (74°F)	364 mm (14.3 inches)	85%	extreme
September Weather	23°C (74°F)	329 mm (12.9 inches)	85%	extreme
October Weather	23°C (74°F)	209 mm (8.2 inches)	79%	extreme
November Weather	22°C (72°F)	34 mm (1.3 inches)	76%	very high
December Weather	22°C (71°F)	3 mm (0.1 inches)	74%	very high