September Weather in Vistahermosa, Mexico

Last updated: August 27, 2025

In September, the average temperature in Vistahermosa, Mexico is a pleasant 20°C (68°F). Expect lows of 13°C (56°F) and highs reaching up to 27°C (81°F). However, be prepared for a relatively wet month with an average precipitation of 518 mm (20.4 in) over 29 days, and a high average humidity of 87%.

September Temperature in Vistahermosa

In September in Vistahermosa, the average temperature is 20°C (68°F). The maximum can reach 27°C (81°F) and the minimum can be as low as 13°C (56°F). This mild weather makes it an ideal time for outdoor activities and sightseeing.

September Weather in Vistahermosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Vistahermosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vistahermosa, September typically has an average temperature of 20°C (68°F), with highs reaching up to 27°C (81°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Vistahermosa

In Vistahermosa in September, the total precipitation amount is 518 mm (20.4 in), distributed over the course of 29 days.

September Precipitation Trends in Vistahermosa

The chart displays monthly precipitation patterns in Vistahermosa, 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 Vistahermosa, September typically receives around 518 mm (20.4 inches) of precipitation spread over approximately 29 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 Vistahermosa

In Vistahermosa in September, humidity is 87%. With an average temperature of 20°C (68°F), this humidity feels like a warm, thick blanket enveloping you, making travel feel a bit sluggish and requiring frequent breaks to stay refreshed.

September Average Humidity in Vistahermosa

This chart illustrates the average monthly humidity levels in Vistahermosa, 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 Vistahermosa is approximately 87%, 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 Vistahermosa

In Vistahermosa 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 Vistahermosa, you can check here.

Maximum UV Index Levels in Vistahermosa for September

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

Data source: Vistahermosa 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 Vistahermosa Compares to Other Months

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

This table compares monthly weather conditions in Vistahermosa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (64°F)	21 mm (0.8 inches)	83%	very high
February Weather	19°C (66°F)	7 mm (0.3 inches)	76%	extreme
March Weather	20°C (68°F)	23 mm (0.9 inches)	66%	extreme
April Weather	21°C (70°F)	70 mm (2.8 inches)	59%	extreme
May Weather	21°C (70°F)	291 mm (11.5 inches)	64%	extreme
June Weather	20°C (69°F)	501 mm (19.7 inches)	69%	extreme
July Weather	21°C (69°F)	269 mm (10.6 inches)	82%	extreme
August Weather	20°C (69°F)	436 mm (17.1 inches)	87%	extreme
September Weather	20°C (68°F)	518 mm (20.4 inches)	87%	extreme
October Weather	20°C (68°F)	353 mm (13.9 inches)	88%	extreme
November Weather	19°C (66°F)	70 mm (2.7 inches)	88%	very high
December Weather	18°C (64°F)	26 mm (1.0 inches)	88%	very high