September Weather in Santo Angelo, Brazil

Last updated: August 22, 2025

In September, the average temperature in Santo Angelo, Brazil is a pleasant 20°C (67°F). Expect a range from a cool 5°C (41°F) at night to a warm 35°C (95°F) during the day. With an average precipitation of 108 mm (4.2 in) spread over 10 days, and a relative humidity of 74%, it's a great time to enjoy the diverse climate while exploring the area!

September Temperature in Santo Angelo

In September in Santo Angelo, the average temperature is 20°C (67°F). Maximum temperatures can reach 35°C (95°F), while minimums can drop as low as 5°C (41°F). It's advisable to pack layers to accommodate the varying temperatures during your travels.

September Weather in Santo Angelo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santo Angelo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Angelo, September typically has an average temperature of 20°C (67°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (41°F).

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

September Precipitation in Santo Angelo

In Santo Angelo in September, the precipitation amount is 108 mm (4.2 in) distributed over a duration of 10 days.

September Precipitation Trends in Santo Angelo

The chart displays monthly precipitation patterns in Santo Angelo, 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 Santo Angelo, September typically receives around 108 mm (4.2 inches) of precipitation spread over approximately 10 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 Santo Angelo

In Santo Angelo in September humidity is 74%. With an average temperature of 20°C (67°F), this humidity feels like a warm, tropical embrace that can make traveling feel a bit stifling, causing you to sweat and prompting frequent breaks in the shade to cool off.

September Average Humidity in Santo Angelo

This chart illustrates the average monthly humidity levels in Santo Angelo, 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 Santo Angelo 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 Santo Angelo

In Santo Angelo in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Santo Angelo.

Maximum UV Index Levels in Santo Angelo for September

The chart shows the monthly maximum UV Index (UVI) for Santo Angelo 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 Santo Angelo typically reaches 10, which falls under the very high exposure category.

Data source: Santo Angelo 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 Santo Angelo Compares to Other Months

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

This table compares monthly weather conditions in Santo Angelo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	159 mm (6.2 inches)	74%	extreme
February Weather	24°C (76°F)	115 mm (4.5 inches)	73%	extreme
March Weather	23°C (74°F)	140 mm (5.5 inches)	73%	extreme
April Weather	21°C (70°F)	135 mm (5.3 inches)	81%	very high
May Weather	17°C (63°F)	216 mm (8.5 inches)	87%	high
June Weather	16°C (61°F)	140 mm (5.5 inches)	84%	moderate
July Weather	15°C (59°F)	111 mm (4.4 inches)	80%	moderate
August Weather	17°C (62°F)	90 mm (3.6 inches)	71%	high
September Weather	20°C (67°F)	108 mm (4.2 inches)	74%	very high
October Weather	21°C (71°F)	188 mm (7.4 inches)	77%	extreme
November Weather	23°C (74°F)	152 mm (6.0 inches)	77%	extreme
December Weather	25°C (77°F)	90 mm (3.5 inches)	85%	extreme