September Weather in Puerto Mexico, Mexico

Last updated: August 27, 2025

In September, the average temperature in Puerto Mexico, Mexico hovers around 17°C (63°F). Expect a comfortable range, with minimums dipping to 8°C (46°F) and maximums reaching up to 27°C (81°F). Be prepared for occasional rain, as 144 mm (5.7 in) of precipitation can fall over 17 days. The air carries an average humidity of 72%, contributing to a pleasantly mild atmosphere!

September Temperature in Puerto Mexico

In September in Puerto Mexico, the average temperature is 17°C (63°F). The maximum can reach 27°C (81°F), and the minimum can be as low as 8°C (46°F). This mild climate makes Puerto Mexico a comfortable destination for travelers seeking pleasant weather.

September Weather in Puerto Mexico: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Puerto Mexico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Mexico, September typically has an average temperature of 17°C (63°F), with highs reaching up to 27°C (81°F) and lows dropping to around 8°C (46°F).

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

September Precipitation in Puerto Mexico

In Puerto Mexico in September, the precipitation amount is 144 mm (5.7 in) over the course of 17 days.

September Precipitation Trends in Puerto Mexico

The chart displays monthly precipitation patterns in Puerto Mexico, 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 Puerto Mexico, September typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 17 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 Puerto Mexico

In Puerto Mexico in September, humidity is 72%. With an average temperature of 17°C (63°F), this humidity feels like a muggy embrace, making outdoor activities a bit sticky and requiring plenty of hydration for a comfortable travel experience.

September Average Humidity in Puerto Mexico

This chart illustrates the average monthly humidity levels in Puerto Mexico, 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 Puerto Mexico is approximately 72%, 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 Puerto Mexico

In Puerto Mexico 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 Puerto Mexico.

Maximum UV Index Levels in Puerto Mexico for September

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

Data source: Puerto Mexico 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 Puerto Mexico Compares to Other Months

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

This table compares monthly weather conditions in Puerto Mexico, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	18 mm (0.7 inches)	75%	very high
February Weather	12°C (55°F)	13 mm (0.5 inches)	70%	very high
March Weather	15°C (60°F)	23 mm (0.9 inches)	65%	extreme
April Weather	17°C (63°F)	29 mm (1.1 inches)	59%	extreme
May Weather	19°C (67°F)	55 mm (2.2 inches)	66%	extreme
June Weather	19°C (67°F)	77 mm (3.0 inches)	71%	extreme
July Weather	18°C (65°F)	132 mm (5.2 inches)	57%	extreme
August Weather	18°C (65°F)	86 mm (3.4 inches)	58%	extreme
September Weather	17°C (63°F)	144 mm (5.7 inches)	72%	extreme
October Weather	16°C (61°F)	31 mm (1.2 inches)	76%	extreme
November Weather	13°C (56°F)	9 mm (0.4 inches)	81%	very high
December Weather	10°C (51°F)	22 mm (0.9 inches)	80%	high