September Weather in San Jose de los Barcos, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Jose de los Barcos, Mexico hovers around 18°C (64°F), making it a pleasant time to visit. Expect minimums dipping to 7°C (45°F) and maximums reaching up to 27°C (82°F). Be prepared for some rain, as precipitation averages 159 mm (6.3 in) over 16 days during the month. With an average humidity of 81%, the air can feel quite refreshing.

September Temperature in San Jose de los Barcos

In September in San Jose de los Barcos, the average temperature is 18°C (64°F). The maximum can reach 27°C (82°F) and the minimum can be as low as 7°C (45°F). This makes it an ideal time for travelers seeking mild weather and a comfortable climate for exploration.

September Weather in San Jose de los Barcos: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Jose de los Barcos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose de los Barcos, September typically has an average temperature of 18°C (64°F), with highs reaching up to 27°C (82°F) and lows dropping to around 7°C (45°F).

Data source: Temperature data for San Jose de los Barcos generated using information from the Copernicus Climate Change Service.

September Precipitation in San Jose de los Barcos

In San Jose de los Barcos in September, the precipitation amount is 159 mm (6.3 in) over the course of 16 days.

September Precipitation Trends in San Jose de los Barcos

The chart displays monthly precipitation patterns in San Jose de los Barcos, 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 Jose de los Barcos, September typically receives around 159 mm (6.3 inches) of precipitation spread over approximately 16 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 Jose de los Barcos

In San Jose de los Barcos in September, humidity is 81%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel both refreshing and slightly stifling at the same time.

September Average Humidity in San Jose de los Barcos

This chart illustrates the average monthly humidity levels in San Jose de los Barcos, 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 Jose de los Barcos 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 Jose de los Barcos

In San Jose de los Barcos 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 Jose de los Barcos, you can check here.

Maximum UV Index Levels in San Jose de los Barcos for September

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

Data source: San Jose de los Barcos 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 Jose de los Barcos Compares to Other Months

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

This table compares monthly weather conditions in San Jose de los Barcos, 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)	7 mm (0.3 inches)	74%	very high
February Weather	15°C (59°F)	9 mm (0.3 inches)	65%	extreme
March Weather	17°C (64°F)	14 mm (0.5 inches)	58%	extreme
April Weather	19°C (67°F)	8 mm (0.3 inches)	58%	extreme
May Weather	21°C (69°F)	55 mm (2.2 inches)	67%	extreme
June Weather	19°C (67°F)	180 mm (7.1 inches)	76%	extreme
July Weather	18°C (65°F)	139 mm (5.5 inches)	67%	extreme
August Weather	19°C (66°F)	112 mm (4.4 inches)	68%	extreme
September Weather	18°C (64°F)	159 mm (6.3 inches)	81%	extreme
October Weather	16°C (62°F)	66 mm (2.6 inches)	83%	extreme
November Weather	14°C (58°F)	23 mm (0.9 inches)	84%	very high
December Weather	13°C (55°F)	6 mm (0.3 inches)	81%	very high