September Weather in Allende, Mexico

Last updated: August 27, 2025

In September, the average temperature in Allende, Mexico hovers around 28°C (83°F), making it quite warm. However, temperatures can swing from a brisk 13°C (55°F) to a scorching 41°C (106°F). Expect about 116 mm (4.6 in) of precipitation spread over 9 days, contributing to an average humidity level of 68%. Whether you're braving the heat or dodging the rain, be prepared for a mix of weather!

September Temperature in Allende

In September in Allende, the average temperature is 28°C (83°F). Maximum temperatures can reach up to 41°C (106°F), while the minimum can drop as low as 13°C (55°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cooler conditions.

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

The chart illustrates September temperature patterns in Allende, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Allende, September typically has an average temperature of 28°C (83°F), with highs reaching up to 41°C (106°F) and lows dropping to around 13°C (55°F).

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

September Precipitation in Allende

In Allende in September, the precipitation amount is 116 mm (4.6 in) spread over 9 days.

September Precipitation Trends in Allende

The chart displays monthly precipitation patterns in Allende, 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 Allende, September typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 9 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 Allende

In Allende in September, humidity is 68%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping you, making outdoor excursions somewhat strenuous and the air heavy as you explore.

September Average Humidity in Allende

This chart illustrates the average monthly humidity levels in Allende, 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 Allende is approximately 68%, 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 Allende

In Allende in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Allende.

Maximum UV Index Levels in Allende for September

The chart shows the monthly maximum UV Index (UVI) for Allende 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 Allende typically reaches 11, which falls under the extreme exposure category.

Data source: Allende 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 Allende Compares to Other Months

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

This table compares monthly weather conditions in Allende, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	12 mm (0.5 inches)	76%	high
February Weather	15°C (60°F)	17 mm (0.7 inches)	75%	very high
March Weather	20°C (69°F)	24 mm (0.9 inches)	70%	very high
April Weather	24°C (75°F)	35 mm (1.4 inches)	73%	extreme
May Weather	27°C (82°F)	96 mm (3.8 inches)	79%	extreme
June Weather	30°C (86°F)	36 mm (1.4 inches)	78%	extreme
July Weather	31°C (88°F)	41 mm (1.6 inches)	65%	extreme
August Weather	31°C (88°F)	31 mm (1.2 inches)	55%	extreme
September Weather	28°C (83°F)	116 mm (4.6 inches)	68%	extreme
October Weather	23°C (74°F)	59 mm (2.3 inches)	77%	very high
November Weather	18°C (64°F)	19 mm (0.8 inches)	84%	high
December Weather	15°C (59°F)	18 mm (0.7 inches)	87%	moderate