September Weather in Angostura, Mexico

Last updated: August 27, 2025

In September, the average temperature in Angostura, Mexico hovers around 29°C (84°F), with a minimum of 25°C (77°F) and peaking at 34°C (94°F). Visitors can expect a fair amount of rainfall, with 154 mm (6.1 in) of precipitation falling over 17 days. The humidity is notably high, averaging at 78%, adding to the tropical feel of the region.

September Temperature in Angostura

In September in Angostura, the average temperature is 29°C (84°F), with maximums reaching up to 34°C (94°F) and minimums dipping as low as 25°C (77°F). This warm climate makes it an ideal destination for travelers seeking sunny skies and outdoor adventures.

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

The chart illustrates September temperature patterns in Angostura, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Angostura, September typically has an average temperature of 29°C (84°F), with highs reaching up to 34°C (94°F) and lows dropping to around 25°C (77°F).

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

September Precipitation in Angostura

In Angostura in September, the total precipitation amount reaches 154 mm (6.1 in) over the course of 17 days.

September Precipitation Trends in Angostura

The chart displays monthly precipitation patterns in Angostura, 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 Angostura, September typically receives around 154 mm (6.1 inches) of precipitation spread over approximately 17 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 Angostura

In Angostura in September humidity is 78%. With an average temperature of 29°C (84°F), this humidity feels like a thick blanket enveloping you, making travel feel sticky and exhausting as you navigate through the heat.

September Average Humidity in Angostura

This chart illustrates the average monthly humidity levels in Angostura, 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 Angostura is approximately 78%, 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 Angostura

In Angostura 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 Angostura.

Maximum UV Index Levels in Angostura for September

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

Data source: Angostura 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 Angostura Compares to Other Months

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

This table compares monthly weather conditions in Angostura, 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 (66°F)	6 mm (0.3 inches)	70%	high
February Weather	19°C (67°F)	16 mm (0.6 inches)	67%	very high
March Weather	20°C (69°F)	2 mm (0.1 inches)	62%	very high
April Weather	23°C (73°F)	0 mm (0.0 inches)	58%	extreme
May Weather	25°C (78°F)	0 mm (0.0 inches)	59%	extreme
June Weather	28°C (82°F)	22 mm (0.9 inches)	64%	extreme
July Weather	29°C (85°F)	58 mm (2.3 inches)	74%	extreme
August Weather	30°C (86°F)	113 mm (4.5 inches)	78%	extreme
September Weather	29°C (84°F)	154 mm (6.1 inches)	78%	extreme
October Weather	28°C (83°F)	27 mm (1.1 inches)	75%	very high
November Weather	24°C (76°F)	29 mm (1.1 inches)	74%	very high
December Weather	20°C (69°F)	10 mm (0.4 inches)	72%	high