September Weather in Monte Salas, Mexico

Last updated: August 27, 2025

In Monte Salas, Mexico, the average temperature in September is a pleasant 20°C (68°F). Expect lows of around 11°C (51°F) and highs that can reach up to 28°C (82°F). During this time, anticipate 224 mm (8.8 in) of precipitation spread over 24 days, resulting in an average humidity of 86%. Stay prepared for both the warmth and the rain!

September Temperature in Monte Salas

In September in Monte Salas, the average temperature is 20°C (68°F). The maximum can reach 28°C (82°F), and the minimum can be as low as 11°C (51°F). This mild weather makes Monte Salas an ideal destination for outdoor activities and sightseeing.

September Weather in Monte Salas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Monte Salas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monte Salas, September typically has an average temperature of 20°C (68°F), with highs reaching up to 28°C (82°F) and lows dropping to around 11°C (51°F).

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

September Precipitation in Monte Salas

In Monte Salas in September, the total precipitation amount is 224 mm (8.8 in) distributed over 24 days.

September Precipitation Trends in Monte Salas

The chart displays monthly precipitation patterns in Monte Salas, 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 Monte Salas, September typically receives around 224 mm (8.8 inches) of precipitation spread over approximately 24 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 Monte Salas

In Monte Salas in September, humidity is 86%. With an average temperature of 20°C (68°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities challenging and necessitating frequent breaks for hydration and shade while traveling.

September Average Humidity in Monte Salas

This chart illustrates the average monthly humidity levels in Monte Salas, 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 Monte Salas is approximately 86%, 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 Monte Salas

In Monte Salas 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 Monte Salas, you can check here.

Maximum UV Index Levels in Monte Salas for September

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

Data source: Monte Salas 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 Monte Salas Compares to Other Months

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

This table compares monthly weather conditions in Monte Salas, 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)	117 mm (4.6 inches)	88%	very high
February Weather	16°C (60°F)	107 mm (4.2 inches)	86%	extreme
March Weather	17°C (63°F)	151 mm (5.9 inches)	84%	extreme
April Weather	19°C (66°F)	175 mm (6.9 inches)	81%	extreme
May Weather	20°C (68°F)	278 mm (10.9 inches)	82%	extreme
June Weather	20°C (68°F)	301 mm (11.9 inches)	81%	extreme
July Weather	19°C (67°F)	111 mm (4.4 inches)	81%	extreme
August Weather	20°C (68°F)	161 mm (6.3 inches)	82%	extreme
September Weather	20°C (68°F)	224 mm (8.8 inches)	86%	extreme
October Weather	19°C (66°F)	184 mm (7.3 inches)	90%	extreme
November Weather	16°C (62°F)	133 mm (5.2 inches)	91%	very high
December Weather	15°C (59°F)	93 mm (3.7 inches)	91%	very high