September Weather in Sao Bento do Sul, Brazil

Last updated: August 22, 2025

In Sao Bento do Sul, Brazil, the average temperature in September is a pleasant 17°C (63°F), with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 31°C (88°F). Visitors can expect an average humidity of 82%, along with 95 mm (3.7 in) of precipitation spread over 9 days. Whether you're enjoying the warmth or preparing for a sprinkle, this month offers a comfortable climate for exploring!

September Temperature in Sao Bento do Sul

In September in Sao Bento do Sul, the average temperature is 17°C (63°F). Maximum temperatures can reach up to 31°C (88°F), while the minimum can drop as low as 5°C (41°F). This variety in weather makes it advisable for travelers to pack layers to accommodate both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Sao Bento 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 Sao Bento do Sul, September typically has an average temperature of 17°C (63°F), with highs reaching up to 31°C (88°F) and lows dropping to around 5°C (41°F).

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

September Precipitation in Sao Bento do Sul

In Sao Bento do Sul in September, the precipitation amount is 95 mm (3.7 in) over the course of 9 days.

September Precipitation Trends in Sao Bento do Sul

The chart displays monthly precipitation patterns in Sao Bento 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 Sao Bento do Sul, September typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 9 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 Sao Bento do Sul

In Sao Bento do Sul in September, humidity is 82%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you—comfortable yet heavy, making outdoor activities more taxing and requiring frequent breaks for hydration.

September Average Humidity in Sao Bento do Sul

This chart illustrates the average monthly humidity levels in Sao Bento 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 Sao Bento do Sul is approximately 82%, 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 Sao Bento do Sul

In Sao Bento do Sul in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Sao Bento do Sul.

Maximum UV Index Levels in Sao Bento do Sul for September

The chart shows the monthly maximum UV Index (UVI) for Sao Bento 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 Sao Bento do Sul typically reaches 11, which falls under the extreme exposure category.

Data source: Sao Bento 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 Sao Bento do Sul Compares to Other Months

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

This table compares monthly weather conditions in Sao Bento 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	21°C (70°F)	180 mm (7.1 inches)	86%	extreme
February Weather	20°C (69°F)	147 mm (5.8 inches)	83%	extreme
March Weather	20°C (68°F)	144 mm (5.7 inches)	85%	extreme
April Weather	18°C (64°F)	66 mm (2.6 inches)	85%	extreme
May Weather	15°C (60°F)	99 mm (3.9 inches)	86%	high
June Weather	14°C (58°F)	127 mm (5.0 inches)	85%	high
July Weather	13°C (56°F)	41 mm (1.6 inches)	80%	high
August Weather	14°C (57°F)	84 mm (3.3 inches)	79%	very high
September Weather	17°C (63°F)	95 mm (3.7 inches)	82%	extreme
October Weather	17°C (63°F)	176 mm (6.9 inches)	82%	extreme
November Weather	18°C (65°F)	127 mm (5.0 inches)	86%	extreme
December Weather	20°C (68°F)	186 mm (7.3 inches)	88%	extreme