September Weather in Buena Vista, Mexico

Last updated: August 27, 2025

In Buena Vista, Mexico during September, the average temperature is a warm 27°C (81°F), with minimums dipping to 22°C (71°F) and highs reaching up to 33°C (92°F). Expect 146 mm (5.7 in) of precipitation over 14 days, contributing to an average humidity of 74%. Perfect weather for enjoying the vibrant local culture!

September Temperature in Buena Vista

In September in Buena Vista, the average temperature is 27°C (81°F). Maximums can reach 33°C (92°F) and minimums can be as low as 22°C (71°F). This pleasant warmth makes it an ideal time for travelers looking to enjoy outdoor activities and explore the sights.

September Weather in Buena Vista: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Buena Vista, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Buena Vista, September typically has an average temperature of 27°C (81°F), with highs reaching up to 33°C (92°F) and lows dropping to around 22°C (71°F).

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

September Precipitation in Buena Vista

In Buena Vista in September, the precipitation amount is 146 mm (5.7 in) over a span of 14 days.

September Precipitation Trends in Buena Vista

The chart displays monthly precipitation patterns in Buena Vista, 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 Buena Vista, September typically receives around 146 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 Buena Vista

In Buena Vista in September humidity is 74%. With an average temperature of 27°C (81°F), this humidity feels like a warm, enveloping blanket, making traveling feel both sticky and draining, yet the heat invites you to seek out refreshing dips in pools or shady spots to relax.

September Average Humidity in Buena Vista

This chart illustrates the average monthly humidity levels in Buena Vista, 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 Buena Vista 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 Buena Vista

In Buena Vista 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 Buena Vista.

Maximum UV Index Levels in Buena Vista for September

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

Data source: Buena Vista 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 Buena Vista Compares to Other Months

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

This table compares monthly weather conditions in Buena Vista, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (65°F)	7 mm (0.3 inches)	68%	high
February Weather	18°C (65°F)	13 mm (0.5 inches)	66%	very high
March Weather	20°C (68°F)	1 mm (0.0 inches)	65%	extreme
April Weather	22°C (72°F)	0 mm (0.0 inches)	63%	extreme
May Weather	24°C (76°F)	0 mm (0.0 inches)	63%	extreme
June Weather	27°C (81°F)	12 mm (0.5 inches)	66%	extreme
July Weather	28°C (83°F)	63 mm (2.5 inches)	71%	extreme
August Weather	29°C (84°F)	83 mm (3.3 inches)	73%	extreme
September Weather	27°C (81°F)	146 mm (5.7 inches)	74%	extreme
October Weather	26°C (79°F)	19 mm (0.7 inches)	73%	extreme
November Weather	23°C (74°F)	24 mm (0.9 inches)	71%	very high
December Weather	19°C (67°F)	13 mm (0.5 inches)	69%	high