September Weather in La Rivera, Mexico

Last updated: August 27, 2025

In September, the average temperature in La Rivera, Mexico hovers around 28°C (83°F), providing a warm climate perfect for outdoor adventures. Expect minimums of 23°C (73°F) and delightful highs reaching up to 35°C (95°F). However, be prepared for some rain, with an average precipitation of 144 mm (5.7 in) over 14 days. With an average humidity of 74%, it's advisable to stay hydrated while enjoying the vibrant atmosphere!

September Temperature in La Rivera

In September in La Rivera, the average temperature is 28°C (83°F), with maximums reaching 35°C (95°F) and minimums dropping to as low as 23°C (73°F). This warm climate makes La Rivera an ideal destination for sun-seekers and outdoor enthusiasts.

September Weather in La Rivera: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La Rivera, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Rivera, September typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (73°F).

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

September Precipitation in La Rivera

In La Rivera in September, the precipitation amount is 144 mm (5.7 in) over the course of 14 days.

September Precipitation Trends in La Rivera

The chart displays monthly precipitation patterns in La Rivera, 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 La Rivera, September typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 14 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 La Rivera

In La Rivera in September, humidity is 74%. With an average temperature of 28°C (83°F), this humidity feels like a heavy blanket enveloping you, making travel feel more tiring as every step is met with a warm, sticky embrace that can drain your energy quickly.

September Average Humidity in La Rivera

This chart illustrates the average monthly humidity levels in La Rivera, 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 La Rivera is approximately 74%, 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 La Rivera

In La Rivera 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 La Rivera.

Maximum UV Index Levels in La Rivera for September

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

Data source: La Rivera 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 La Rivera Compares to Other Months

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

This table compares monthly weather conditions in La Rivera, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (67°F)	6 mm (0.2 inches)	68%	high
February Weather	19°C (67°F)	17 mm (0.7 inches)	66%	very high
March Weather	21°C (70°F)	1 mm (0.0 inches)	65%	extreme
April Weather	23°C (74°F)	0 mm (0.0 inches)	63%	extreme
May Weather	25°C (78°F)	1 mm (0.0 inches)	63%	extreme
June Weather	28°C (83°F)	21 mm (0.8 inches)	66%	extreme
July Weather	30°C (86°F)	21 mm (0.8 inches)	71%	extreme
August Weather	30°C (86°F)	78 mm (3.1 inches)	73%	extreme
September Weather	28°C (83°F)	144 mm (5.7 inches)	74%	extreme
October Weather	27°C (81°F)	34 mm (1.3 inches)	73%	extreme
November Weather	24°C (76°F)	28 mm (1.1 inches)	71%	very high
December Weather	21°C (69°F)	8 mm (0.3 inches)	69%	high