September Weather in Rio Laja, Mexico

Last updated: August 27, 2025

In September, the average temperature in Rio Laja, Mexico hovers around 18°C (65°F). Expect a range with a minimum of 7°C (46°F) and a maximum of 29°C (85°F). This month also sees about 130 mm (5.1 in) of precipitation spread over 15 days, contributing to an average humidity level of 81%. Get ready for a mix of mild temperatures and some rainy days!

September Temperature in Rio Laja

In September in Rio Laja, the average temperature is 18°C (65°F). Maximums can reach 29°C (85°F), while minimums can drop to as low as 7°C (46°F). This mild climate makes Rio Laja a comfortable destination for travelers looking to enjoy outdoor activities and explore the local sights.

September Weather in Rio Laja: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rio Laja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Laja, September typically has an average temperature of 18°C (65°F), with highs reaching up to 29°C (85°F) and lows dropping to around 7°C (46°F).

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

September Precipitation in Rio Laja

In Rio Laja in September, the total precipitation amount is 130 mm (5.1 in) over the course of 15 days.

September Precipitation Trends in Rio Laja

The chart displays monthly precipitation patterns in Rio Laja, 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 Rio Laja, September typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 15 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 Rio Laja

In Rio Laja in September, humidity is 81%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick and sultry—a challenging environment for traveling.

September Average Humidity in Rio Laja

This chart illustrates the average monthly humidity levels in Rio Laja, 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 Rio Laja is approximately 81%, 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 Rio Laja

In Rio Laja 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 Rio Laja, you can check here.

Maximum UV Index Levels in Rio Laja for September

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

Data source: Rio Laja 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 Rio Laja Compares to Other Months

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

This table compares monthly weather conditions in Rio Laja, 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)	5 mm (0.2 inches)	74%	very high
February Weather	16°C (60°F)	7 mm (0.3 inches)	65%	extreme
March Weather	18°C (65°F)	12 mm (0.5 inches)	58%	extreme
April Weather	20°C (69°F)	8 mm (0.3 inches)	58%	extreme
May Weather	22°C (71°F)	40 mm (1.6 inches)	67%	extreme
June Weather	20°C (69°F)	133 mm (5.3 inches)	76%	extreme
July Weather	19°C (67°F)	99 mm (3.9 inches)	67%	extreme
August Weather	20°C (68°F)	77 mm (3.0 inches)	68%	extreme
September Weather	18°C (65°F)	130 mm (5.1 inches)	81%	extreme
October Weather	17°C (63°F)	57 mm (2.2 inches)	83%	extreme
November Weather	15°C (59°F)	22 mm (0.9 inches)	84%	very high
December Weather	13°C (56°F)	6 mm (0.2 inches)	81%	very high