September Weather in Arandas, Mexico

Last updated: August 27, 2025

In September, the average temperature in Arandas, Mexico hovers around 18°C (66°F). Expect a minimum of 11°C (52°F) and a maximum of 27°C (82°F), creating a pleasant climate for outdoor activities. With an average precipitation of 239 mm (9.4 in) spread over 22 days, you might want to keep an umbrella handy. Additionally, the average humidity sits at a comfortable 81%, making for a refreshing experience.

September Temperature in Arandas

In September in Arandas, the average temperature is 18°C (66°F), with maximums reaching 27°C (82°F) and minimums dropping as low as 11°C (52°F). This pleasant climate makes Arandas an ideal destination for travelers looking to enjoy comfortable weather while exploring the local attractions.

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

The chart illustrates September temperature patterns in Arandas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arandas, September typically has an average temperature of 18°C (66°F), with highs reaching up to 27°C (82°F) and lows dropping to around 11°C (52°F).

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

September Precipitation in Arandas

In Arandas, in September, the precipitation amount is 239 mm (9.4 in) over the course of 22 days.

September Precipitation Trends in Arandas

The chart displays monthly precipitation patterns in Arandas, 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 Arandas, September typically receives around 239 mm (9.4 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 Arandas

In Arandas in September, humidity is 81%. With an average temperature of 18°C (66°F), this humidity feels like a warm, sticky embrace, making traveling feel heavy and sluggish, as if the air itself is slowing you down with each step.

September Average Humidity in Arandas

This chart illustrates the average monthly humidity levels in Arandas, 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 Arandas 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 Arandas

In Arandas 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 Arandas, you can check here.

Maximum UV Index Levels in Arandas for September

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

Data source: Arandas 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 Arandas Compares to Other Months

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

This table compares monthly weather conditions in Arandas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (58°F)	11 mm (0.4 inches)	74%	very high
February Weather	17°C (62°F)	11 mm (0.4 inches)	65%	extreme
March Weather	19°C (67°F)	9 mm (0.3 inches)	58%	extreme
April Weather	21°C (70°F)	4 mm (0.1 inches)	58%	extreme
May Weather	22°C (72°F)	50 mm (2.0 inches)	67%	extreme
June Weather	21°C (69°F)	201 mm (7.9 inches)	76%	extreme
July Weather	19°C (66°F)	306 mm (12.0 inches)	67%	extreme
August Weather	19°C (66°F)	239 mm (9.4 inches)	68%	extreme
September Weather	18°C (66°F)	239 mm (9.4 inches)	81%	extreme
October Weather	18°C (65°F)	91 mm (3.6 inches)	83%	extreme
November Weather	16°C (61°F)	23 mm (0.9 inches)	84%	very high
December Weather	14°C (58°F)	7 mm (0.3 inches)	81%	very high