September Weather in Rosario do Sul, Brazil

Last updated: August 22, 2025

In September, the average temperature in Rosario do Sul, Brazil hovers around 17°C (63°F). You can expect a minimum of 4°C (39°F) and a sizzling maximum of 33°C (91°F). During this month, precipitation totals around 169 mm (6.7 in) over 10 days, with an average humidity level of 62%. Perfect for those who enjoy a mix of warm days and refreshing showers!

September Temperature in Rosario do Sul

In September in Rosario do Sul, the average temperature is 17°C (63°F), with maximums reaching up to 33°C (91°F) and minimums dipping as low as 4°C (39°F). It's important to pack for a range of temperatures to ensure a comfortable travel experience.

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

The chart illustrates September temperature patterns in Rosario 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 Rosario do Sul, September typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (91°F) and lows dropping to around 4°C (39°F).

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

September Precipitation in Rosario do Sul

In Rosario do Sul in September, the total precipitation amount is 169 mm (6.7 in), falling over the course of 10 days.

September Precipitation Trends in Rosario do Sul

The chart displays monthly precipitation patterns in Rosario 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 Rosario do Sul, September typically receives around 169 mm (6.7 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 Rosario do Sul

In Rosario do Sul in September humidity is 62%. With an average temperature of 17°C (63°F), this humidity feels like a refreshing embrace, making it pleasant for traveling as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Rosario do Sul

This chart illustrates the average monthly humidity levels in Rosario 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 Rosario do Sul is approximately 62%, 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 Rosario do Sul

In Rosario 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 Rosario do Sul.

Maximum UV Index Levels in Rosario do Sul for September

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

Data source: Rosario 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 Rosario do Sul Compares to Other Months

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

This table compares monthly weather conditions in Rosario 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 (78°F)	142 mm (5.6 inches)	63%	extreme
February Weather	24°C (76°F)	103 mm (4.0 inches)	58%	extreme
March Weather	23°C (73°F)	118 mm (4.6 inches)	68%	extreme
April Weather	20°C (69°F)	70 mm (2.8 inches)	78%	very high
May Weather	16°C (61°F)	147 mm (5.8 inches)	79%	high
June Weather	14°C (58°F)	111 mm (4.4 inches)	78%	moderate
July Weather	13°C (56°F)	91 mm (3.6 inches)	70%	moderate
August Weather	15°C (59°F)	97 mm (3.8 inches)	55%	high
September Weather	17°C (63°F)	169 mm (6.7 inches)	62%	very high
October Weather	20°C (67°F)	160 mm (6.3 inches)	64%	extreme
November Weather	22°C (72°F)	104 mm (4.1 inches)	64%	extreme
December Weather	25°C (76°F)	86 mm (3.4 inches)	73%	extreme