September Weather in San Jose del Carmen, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Jose del Carmen, Mexico is a warm 28°C (83°F), with minimums dipping to 24°C (75°F) and highs reaching up to 35°C (96°F). Expect a precipitation total of 190 mm (7.5 in) spread across 23 days, coupled with an average humidity of 79%, creating a lush and vibrant atmosphere.

September Temperature in San Jose del Carmen

In September in San Jose del Carmen, the average temperature is 28°C (83°F). Maximums can reach 35°C (96°F) and minimums can be as low as 24°C (75°F). This mild and warm climate makes San Jose del Carmen an ideal destination for travelers seeking pleasant weather.

September Weather in San Jose del Carmen: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Jose del Carmen, 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 del Carmen, September typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (96°F) and lows dropping to around 24°C (75°F).

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

September Precipitation in San Jose del Carmen

In San Jose del Carmen in September, the total precipitation amount is 190 mm (7.5 in), spread over a duration of 23 days.

September Precipitation Trends in San Jose del Carmen

The chart displays monthly precipitation patterns in San Jose del Carmen, 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 del Carmen, September typically receives around 190 mm (7.5 inches) of precipitation spread over approximately 23 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 del Carmen

In San Jose del Carmen in September humidity is 79%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities a challenge but also adding a certain tropical charm to your travel experience.

September Average Humidity in San Jose del Carmen

This chart illustrates the average monthly humidity levels in San Jose del Carmen, 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 del Carmen is approximately 79%, 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 del Carmen

In San Jose del Carmen in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Jose del Carmen.

Maximum UV Index Levels in San Jose del Carmen for September

The chart shows the monthly maximum UV Index (UVI) for San Jose del Carmen 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 del Carmen typically reaches 12, which falls under the extreme exposure category.

Data source: San Jose del Carmen 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 del Carmen Compares to Other Months

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

This table compares monthly weather conditions in San Jose del Carmen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	60 mm (2.4 inches)	81%	very high
February Weather	25°C (78°F)	23 mm (0.9 inches)	80%	extreme
March Weather	27°C (81°F)	20 mm (0.8 inches)	76%	extreme
April Weather	29°C (84°F)	31 mm (1.2 inches)	74%	extreme
May Weather	30°C (86°F)	52 mm (2.0 inches)	74%	extreme
June Weather	29°C (84°F)	237 mm (9.3 inches)	74%	extreme
July Weather	29°C (85°F)	61 mm (2.4 inches)	79%	extreme
August Weather	29°C (84°F)	113 mm (4.4 inches)	80%	extreme
September Weather	28°C (83°F)	190 mm (7.5 inches)	79%	extreme
October Weather	27°C (82°F)	245 mm (9.6 inches)	81%	extreme
November Weather	26°C (78°F)	131 mm (5.1 inches)	84%	very high
December Weather	25°C (77°F)	54 mm (2.1 inches)	85%	very high