September Weather in Jalapexco, Mexico

Last updated: August 27, 2025

In September, the average temperature in Jalapexco, Mexico is a pleasant 21°C (70°F), with lows dipping to 13°C (56°F) and highs reaching up to 30°C (86°F). Expect about 290 mm (11.4 in) of precipitation spread over 24 days, contributing to an average humidity of 82%.

September Temperature in Jalapexco

In September in Jalapexco, the average temperature is 21°C (70°F). Maximums can reach 30°C (86°F), while minimums can drop to as low as 13°C (56°F). This mild and pleasant climate makes it a great time for travelers to explore the sights and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Jalapexco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jalapexco, September typically has an average temperature of 21°C (70°F), with highs reaching up to 30°C (86°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Jalapexco

In Jalapexco in September, the precipitation amount is 290 mm (11.4 in) over a span of 24 days.

September Precipitation Trends in Jalapexco

The chart displays monthly precipitation patterns in Jalapexco, 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 Jalapexco, September typically receives around 290 mm (11.4 inches) of precipitation spread over approximately 24 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 Jalapexco

In Jalapexco in September, humidity is 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

September Average Humidity in Jalapexco

This chart illustrates the average monthly humidity levels in Jalapexco, 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 Jalapexco is approximately 82%, 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 Jalapexco

In Jalapexco 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 Jalapexco, you can check here.

Maximum UV Index Levels in Jalapexco for September

The chart shows the monthly maximum UV Index (UVI) for Jalapexco 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 Jalapexco typically reaches 14, which falls under the extreme exposure category.

Data source: Jalapexco 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 Jalapexco Compares to Other Months

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

This table compares monthly weather conditions in Jalapexco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (65°F)	2 mm (0.1 inches)	84%	very high
February Weather	20°C (68°F)	3 mm (0.1 inches)	78%	extreme
March Weather	22°C (72°F)	6 mm (0.2 inches)	75%	extreme
April Weather	23°C (74°F)	18 mm (0.7 inches)	70%	extreme
May Weather	24°C (75°F)	83 mm (3.3 inches)	77%	extreme
June Weather	22°C (72°F)	201 mm (7.9 inches)	76%	extreme
July Weather	22°C (71°F)	153 mm (6.0 inches)	68%	extreme
August Weather	22°C (71°F)	216 mm (8.5 inches)	70%	extreme
September Weather	21°C (70°F)	290 mm (11.4 inches)	82%	extreme
October Weather	21°C (70°F)	108 mm (4.2 inches)	91%	extreme
November Weather	20°C (68°F)	24 mm (1.0 inches)	89%	very high
December Weather	18°C (65°F)	3 mm (0.1 inches)	88%	very high