September Weather in San Damian, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Damian, Mexico hovers around 19°C (66°F), with a minimum dipping to 8°C (47°F) and a maximum reaching 30°C (86°F). This month experiences an average of 148 mm (5.8 in) of precipitation over 17 days, contributing to a notable average humidity of 81%.

September Temperature in San Damian

In September in San Damian, the average temperature is 19°C (66°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop to as low as 8°C (47°F). This makes San Damian a great destination for travelers seeking mild weather perfect for outdoor activities.

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

The chart illustrates September temperature patterns in San Damian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Damian, September typically has an average temperature of 19°C (66°F), with highs reaching up to 30°C (86°F) and lows dropping to around 8°C (47°F).

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

September Precipitation in San Damian

In San Damian in September, the precipitation amount is 148 mm (5.8 in) spread over 17 days.

September Precipitation Trends in San Damian

The chart displays monthly precipitation patterns in San Damian, 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 Damian, September typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 17 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 Damian

In San Damian in September, humidity is 81%. With an average temperature of 19°C (66°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel both muggy and slightly stifling, often leading to a need for frequent breaks in the shade.

September Average Humidity in San Damian

This chart illustrates the average monthly humidity levels in San Damian, 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 Damian 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 San Damian

In San Damian 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 San Damian, you can check here.

Maximum UV Index Levels in San Damian for September

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

Data source: San Damian 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 Damian Compares to Other Months

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

This table compares monthly weather conditions in San Damian, 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)	4 mm (0.2 inches)	74%	very high
February Weather	16°C (62°F)	7 mm (0.3 inches)	65%	extreme
March Weather	19°C (66°F)	10 mm (0.4 inches)	58%	extreme
April Weather	21°C (70°F)	6 mm (0.2 inches)	58%	extreme
May Weather	22°C (73°F)	45 mm (1.8 inches)	67%	extreme
June Weather	21°C (70°F)	155 mm (6.1 inches)	76%	extreme
July Weather	20°C (68°F)	138 mm (5.5 inches)	67%	extreme
August Weather	20°C (68°F)	123 mm (4.8 inches)	68%	extreme
September Weather	19°C (66°F)	148 mm (5.8 inches)	81%	extreme
October Weather	18°C (65°F)	62 mm (2.4 inches)	83%	extreme
November Weather	16°C (61°F)	21 mm (0.8 inches)	84%	very high
December Weather	14°C (57°F)	5 mm (0.2 inches)	81%	very high