September Weather in Las Arenitas, Mexico

Last updated: August 27, 2025

In September, the average temperature in Las Arenitas, Mexico hovers around 29°C (84°F), with a minimum of 25°C (78°F) and a maximum reaching up to 33°C (91°F). Expect 152 mm (6.0 in) of precipitation spread over about 20 days, accompanied by an average humidity of 78%. This blend of warmth and moisture creates a distinct tropical feel, perfect for those seeking adventure or relaxation!

September Temperature in Las Arenitas

In September, in Las Arenitas, the average temperature is 29°C (84°F), with maximums reaching 33°C (91°F) and minimums dropping to as low as 25°C (78°F). This pleasant climate makes Las Arenitas an ideal destination for travelers seeking warm and enjoyable weather.

September Weather in Las Arenitas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Las Arenitas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Las Arenitas, September typically has an average temperature of 29°C (84°F), with highs reaching up to 33°C (91°F) and lows dropping to around 25°C (78°F).

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

September Precipitation in Las Arenitas

In Las Arenitas in September, the total precipitation amount is 152 mm (6.0 in) spread over a period of 20 days.

September Precipitation Trends in Las Arenitas

The chart displays monthly precipitation patterns in Las Arenitas, 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 Las Arenitas, September typically receives around 152 mm (6.0 inches) of precipitation spread over approximately 20 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 Las Arenitas

In Las Arenitas in September humidity is 78%. With an average temperature of 29°C (84°F), this humidity feels like a thick blanket enveloping you, making travel feel sticky and exhausting as you navigate through the heat.

September Average Humidity in Las Arenitas

This chart illustrates the average monthly humidity levels in Las Arenitas, 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 Las Arenitas is approximately 78%, 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 Las Arenitas

In Las Arenitas in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Las Arenitas.

Maximum UV Index Levels in Las Arenitas for September

The chart shows the monthly maximum UV Index (UVI) for Las Arenitas 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 Las Arenitas typically reaches 12, which falls under the extreme exposure category.

Data source: Las Arenitas 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 Las Arenitas Compares to Other Months

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

This table compares monthly weather conditions in Las Arenitas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	5 mm (0.2 inches)	70%	high
February Weather	20°C (68°F)	19 mm (0.7 inches)	67%	very high
March Weather	21°C (69°F)	1 mm (0.0 inches)	62%	extreme
April Weather	23°C (73°F)	0 mm (0.0 inches)	58%	extreme
May Weather	25°C (78°F)	0 mm (0.0 inches)	59%	extreme
June Weather	27°C (82°F)	20 mm (0.8 inches)	64%	extreme
July Weather	29°C (85°F)	45 mm (1.8 inches)	74%	extreme
August Weather	30°C (85°F)	153 mm (6.0 inches)	78%	extreme
September Weather	29°C (84°F)	152 mm (6.0 inches)	78%	extreme
October Weather	28°C (83°F)	45 mm (1.8 inches)	75%	very high
November Weather	25°C (77°F)	38 mm (1.5 inches)	74%	very high
December Weather	21°C (71°F)	11 mm (0.4 inches)	72%	high