September Weather in Santa Gertrudis, Mexico

Last updated: August 27, 2025

In September, the average temperature in Santa Gertrudis, Mexico is a comfortable 19°C (67°F), with minimums dipping to 11°C (52°F) and highs reaching up to 30°C (86°F). Expect about 86 mm (3.4 in) of precipitation spread over 14 days, contributing to an average humidity of 81%. This delightful mix of warmth and moisture creates an inviting atmosphere for visitors!

September Temperature in Santa Gertrudis

In September in Santa Gertrudis, the average temperature is 19°C (67°F). Maximums can reach 30°C (86°F), and minimums can drop as low as 11°C (52°F). This mild climate makes Santa Gertrudis an ideal destination for travelers seeking a pleasant getaway.

September Weather in Santa Gertrudis: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Gertrudis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Gertrudis, September typically has an average temperature of 19°C (67°F), with highs reaching up to 30°C (86°F) and lows dropping to around 11°C (52°F).

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

September Precipitation in Santa Gertrudis

In Santa Gertrudis in September, the precipitation amount is 86 mm (3.4 in) over the course of 14 days.

September Precipitation Trends in Santa Gertrudis

The chart displays monthly precipitation patterns in Santa Gertrudis, 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 Santa Gertrudis, September typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Santa Gertrudis

In Santa Gertrudis in September humidity is 81%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket enveloping you, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick, prompting you to seek shade and hydration frequently.

September Average Humidity in Santa Gertrudis

This chart illustrates the average monthly humidity levels in Santa Gertrudis, 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 Santa Gertrudis 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 Santa Gertrudis

In Santa Gertrudis in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Santa Gertrudis.

Maximum UV Index Levels in Santa Gertrudis for September

The chart shows the monthly maximum UV Index (UVI) for Santa Gertrudis 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 Santa Gertrudis typically reaches 13, which falls under the extreme exposure category.

Data source: Santa Gertrudis 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 Santa Gertrudis Compares to Other Months

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

This table compares monthly weather conditions in Santa Gertrudis, 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 (55°F)	11 mm (0.4 inches)	75%	very high
February Weather	15°C (60°F)	10 mm (0.4 inches)	69%	extreme
March Weather	18°C (65°F)	14 mm (0.5 inches)	65%	extreme
April Weather	20°C (69°F)	11 mm (0.4 inches)	64%	extreme
May Weather	22°C (72°F)	40 mm (1.6 inches)	75%	extreme
June Weather	21°C (70°F)	84 mm (3.3 inches)	78%	extreme
July Weather	20°C (69°F)	69 mm (2.7 inches)	67%	extreme
August Weather	21°C (69°F)	47 mm (1.9 inches)	64%	extreme
September Weather	19°C (67°F)	86 mm (3.4 inches)	81%	extreme
October Weather	18°C (64°F)	48 mm (1.9 inches)	85%	extreme
November Weather	15°C (60°F)	16 mm (0.6 inches)	87%	very high
December Weather	13°C (56°F)	9 mm (0.4 inches)	87%	very high