September Weather in Cachoeira do Sul, Brazil

Last updated: August 22, 2025

In Cachoeira do Sul, Brazil, the average temperature in September is a mild 18°C (64°F), making it a pleasant time to visit. However, be prepared for a range of temperatures; the minimum can dip to 4°C (40°F), while it can soar to a maximum of 34°C (93°F). Travelers should also consider the precipitation, which averages 143 mm (5.6 in) spread over 11 days, and the relatively high humidity sitting at 81%.

September Temperature in Cachoeira do Sul

In September in Cachoeira do Sul, the average temperature is 18°C (64°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 4°C (40°F). It's advisable to pack a variety of clothing to accommodate both warm days and cooler evenings during your travels.

September Weather in Cachoeira do Sul: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Cachoeira do Sul, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cachoeira do Sul, September typically has an average temperature of 18°C (64°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (40°F).

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

September Precipitation in Cachoeira do Sul

In Cachoeira do Sul in September, the total precipitation amount reaches 143 mm (5.6 in) over the course of 11 days.

September Precipitation Trends in Cachoeira do Sul

The chart displays monthly precipitation patterns in Cachoeira do Sul, 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 Cachoeira do Sul, September typically receives around 143 mm (5.6 inches) of precipitation spread over approximately 11 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 Cachoeira do Sul

In Cachoeira do Sul in September, humidity is 81%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel both refreshing and slightly stifling at the same time.

September Average Humidity in Cachoeira do Sul

This chart illustrates the average monthly humidity levels in Cachoeira do Sul, 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 Cachoeira do Sul is approximately 81%, 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 Cachoeira do Sul

In Cachoeira do Sul in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Cachoeira do Sul.

Maximum UV Index Levels in Cachoeira do Sul for September

The chart shows the monthly maximum UV Index (UVI) for Cachoeira do Sul 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 Cachoeira do Sul typically reaches 9, which falls under the very high exposure category.

Data source: Cachoeira do Sul 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 Cachoeira do Sul Compares to Other Months

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

This table compares monthly weather conditions in Cachoeira do Sul, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	128 mm (5.0 inches)	71%	extreme
February Weather	25°C (77°F)	68 mm (2.7 inches)	72%	extreme
March Weather	24°C (75°F)	104 mm (4.1 inches)	74%	extreme
April Weather	21°C (70°F)	66 mm (2.6 inches)	81%	very high
May Weather	17°C (62°F)	180 mm (7.1 inches)	88%	high
June Weather	15°C (59°F)	123 mm (4.9 inches)	87%	moderate
July Weather	14°C (57°F)	108 mm (4.2 inches)	81%	moderate
August Weather	15°C (60°F)	89 mm (3.5 inches)	75%	high
September Weather	18°C (64°F)	143 mm (5.6 inches)	81%	very high
October Weather	20°C (68°F)	162 mm (6.4 inches)	82%	extreme
November Weather	22°C (72°F)	113 mm (4.4 inches)	78%	extreme
December Weather	25°C (77°F)	63 mm (2.5 inches)	81%	extreme