September Weather in Portal de las Salinas, Mexico

Last updated: August 26, 2025

In Portal de las Salinas, Mexico, the average temperature in September is a warm 26°C (78°F). Expect a range, with minimums dropping to 15°C (60°F) and soaring to a maximum of 37°C (99°F). The month brings about 89 mm (3.5 in) of precipitation over 11 days, contributing to an average humidity of 72%. Get ready for a blend of warm temperatures and occasional rain!

September Temperature in Portal de las Salinas

In September in Portal de las Salinas, the average temperature is 26°C (78°F), with maximums reaching 37°C (99°F) and minimums dropping to as low as 15°C (60°F). This makes it an ideal time for travelers who enjoy warm weather with a chance for cooler evenings.

September Weather in Portal de las Salinas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Portal de las Salinas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Portal de las Salinas, September typically has an average temperature of 26°C (78°F), with highs reaching up to 37°C (99°F) and lows dropping to around 15°C (60°F).

Data source: Temperature data for Portal de las Salinas generated using information from the Copernicus Climate Change Service.

September Precipitation in Portal de las Salinas

In Portal de las Salinas in September, the precipitation amount is 89 mm (3.5 in) over a span of 11 days.

September Precipitation Trends in Portal de las Salinas

The chart displays monthly precipitation patterns in Portal de las Salinas, 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 Portal de las Salinas, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 11 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 Portal de las Salinas

In Portal de las Salinas in September, humidity is 72%. With an average temperature of 26°C (78°F), this humidity feels like a warm, enveloping blanket that can leave travelers feeling sticky and slightly fatigued, making it essential to stay hydrated and take breaks in the shade.

September Average Humidity in Portal de las Salinas

This chart illustrates the average monthly humidity levels in Portal de las Salinas, 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 Portal de las Salinas 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 Portal de las Salinas

In Portal de las Salinas in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Portal de las Salinas.

Maximum UV Index Levels in Portal de las Salinas for September

The chart shows the monthly maximum UV Index (UVI) for Portal de las Salinas 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 Portal de las Salinas typically reaches 11, which falls under the extreme exposure category.

Data source: Portal de las Salinas 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 Portal de las Salinas Compares to Other Months

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

This table compares monthly weather conditions in Portal de las Salinas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (58°F)	25 mm (1.0 inches)	75%	high
February Weather	17°C (62°F)	14 mm (0.6 inches)	70%	very high
March Weather	20°C (69°F)	24 mm (0.9 inches)	65%	very high
April Weather	23°C (74°F)	44 mm (1.7 inches)	59%	extreme
May Weather	26°C (79°F)	60 mm (2.4 inches)	66%	extreme
June Weather	27°C (81°F)	68 mm (2.7 inches)	71%	extreme
July Weather	28°C (82°F)	75 mm (2.9 inches)	57%	extreme
August Weather	28°C (83°F)	19 mm (0.7 inches)	58%	extreme
September Weather	26°C (78°F)	89 mm (3.5 inches)	72%	extreme
October Weather	22°C (72°F)	34 mm (1.3 inches)	76%	very high
November Weather	18°C (64°F)	21 mm (0.8 inches)	81%	high
December Weather	16°C (61°F)	21 mm (0.8 inches)	80%	high