September Weather in Jacala, Mexico

Last updated: August 27, 2025

In September, the average temperature in Jacala, Mexico hovers around 20°C (68°F), making it a pleasant time to visit. You can expect temperatures to range from a cool 10°C (50°F) to a warm 30°C (87°F). With an average precipitation of 190 mm (7.5 in) over 22 days, don't forget your umbrella! The humidity is relatively high at 84%, so be prepared for a bit of stickiness in the air.

September Temperature in Jacala

In September in Jacala, the average temperature is 20°C (68°F), with maximums reaching 30°C (87°F) and minimums dipping as low as 10°C (50°F). It's a perfect time to visit for comfortable weather and enjoyable outdoor activities.

September Weather in Jacala: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Jacala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jacala, September typically has an average temperature of 20°C (68°F), with highs reaching up to 30°C (87°F) and lows dropping to around 10°C (50°F).

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

September Precipitation in Jacala

In Jacala in September, the total precipitation amount is 190 mm (7.5 in) spread over 22 days.

September Precipitation Trends in Jacala

The chart displays monthly precipitation patterns in Jacala, 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 Jacala, September typically receives around 190 mm (7.5 inches) of precipitation spread over approximately 22 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 Jacala

In Jacala in September humidity is 84%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket, making travel a challenge as the air clings to your skin, and every step feels heavier in the mugginess.

September Average Humidity in Jacala

This chart illustrates the average monthly humidity levels in Jacala, 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 Jacala is approximately 84%, 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 Jacala

In Jacala 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 Jacala.

Maximum UV Index Levels in Jacala for September

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

Data source: Jacala 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 Jacala Compares to Other Months

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

This table compares monthly weather conditions in Jacala, 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 (56°F)	28 mm (1.1 inches)	88%	very high
February Weather	16°C (60°F)	24 mm (1.0 inches)	86%	very high
March Weather	17°C (64°F)	35 mm (1.4 inches)	83%	extreme
April Weather	20°C (68°F)	54 mm (2.1 inches)	80%	extreme
May Weather	22°C (71°F)	93 mm (3.7 inches)	82%	extreme
June Weather	21°C (70°F)	169 mm (6.7 inches)	79%	extreme
July Weather	20°C (69°F)	130 mm (5.1 inches)	72%	extreme
August Weather	20°C (69°F)	133 mm (5.2 inches)	74%	extreme
September Weather	20°C (68°F)	190 mm (7.5 inches)	84%	extreme
October Weather	18°C (65°F)	154 mm (6.1 inches)	92%	extreme
November Weather	16°C (60°F)	45 mm (1.8 inches)	91%	very high
December Weather	14°C (57°F)	18 mm (0.7 inches)	91%	high