September Weather in San Jose del Carmen, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Jose del Carmen, Mexico reaches a warm 27°C (81°F), perfect for outdoor activities. Expect minimums around 22°C (72°F) and highs soaring to 36°C (98°F). However, prepare for a rainy season with 288 mm (11.3 in) of precipitation spread over 27 days, accompanied by high humidity at 87%. Enjoy the vibrant climate while staying prepared!

September Temperature in San Jose del Carmen

In September in San Jose del Carmen, the average temperature is 27°C (81°F). Maximum temperatures can reach 36°C (98°F) and minimums can dip as low as 22°C (72°F). This makes it an ideal time for travelers looking to enjoy warm weather while exploring the attractions of San Jose del Carmen.

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 27°C (81°F), with highs reaching up to 36°C (98°F) and lows dropping to around 22°C (72°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 288 mm (11.3 in) over the course of 27 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 288 mm (11.3 inches) of precipitation spread over approximately 27 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 San Jose del Carmen

In San Jose del Carmen in September, humidity is 87%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, damp blanket, making traveling feel heavy and exhausting.

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 87%, 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 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 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 13, 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	23°C (73°F)	107 mm (4.2 inches)	83%	very high
February Weather	24°C (75°F)	67 mm (2.6 inches)	76%	extreme
March Weather	25°C (78°F)	54 mm (2.1 inches)	66%	extreme
April Weather	28°C (82°F)	42 mm (1.7 inches)	59%	extreme
May Weather	29°C (85°F)	91 mm (3.6 inches)	64%	extreme
June Weather	28°C (83°F)	269 mm (10.6 inches)	69%	extreme
July Weather	28°C (83°F)	192 mm (7.6 inches)	82%	extreme
August Weather	28°C (82°F)	264 mm (10.4 inches)	87%	extreme
September Weather	27°C (81°F)	288 mm (11.3 inches)	87%	extreme
October Weather	26°C (80°F)	315 mm (12.4 inches)	88%	extreme
November Weather	24°C (76°F)	211 mm (8.3 inches)	88%	very high
December Weather	23°C (74°F)	95 mm (3.8 inches)	88%	very high