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September Weather in Sao Lourenco do Sul, Brazil

Last updated: August 22, 2025

In Sao Lourenco do Sul, Brazil, the average temperature in September hovers around 17°C (62°F), with a range that can dip to a chilly 6°C (43°F) at its lowest and soar to a warm 31°C (88°F) at its hottest. Expect about 177 mm (6.9 in) of precipitation over 12 days, contributing to an average humidity of 84%. Whether you’re enjoying the mild temperatures or bracing for the rain, be prepared for a dynamic month!

September Temperature in Sao Lourenco do Sul

In September in Sao Lourenco do Sul, the average temperature is 17°C (62°F). Maximums can reach 31°C (88°F) and minimums can be as low as 6°C (43°F). This makes Sao Lourenco do Sul an ideal destination for travelers seeking mild weather with the opportunity for warm sunny days and cool evenings.

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

The chart illustrates September temperature patterns in Sao Lourenco 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 Lourenco do Sul, September typically has an average temperature of 17°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec777573696259565862667073
Data source: Temperature data for Sao Lourenco do Sul generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sao Lourenco do Sul

In Sao Lourenco do Sul in September, the total precipitation amounts to 177 mm (6.9 in) over a span of 12 days.

September Precipitation Trends in Sao Lourenco do Sul

The chart displays monthly precipitation patterns in Sao Lourenco 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 Lourenco do Sul, September typically receives around 177 mm (6.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec110901088311692108961771549174
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sao Lourenco do Sul

In Sao Lourenco do Sul in September humidity is 84%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making travel both comforting and slightly stifling, as you navigate through a haze of thick, moisture-laden air.

September Average Humidity in Sao Lourenco do Sul

This chart illustrates the average monthly humidity levels in Sao Lourenco 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 Lourenco do Sul is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%79%82%87%85%82%81%84%85%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sao Lourenco do Sul

In Sao Lourenco 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 Sao Lourenco do Sul.

Maximum UV Index Levels in Sao Lourenco do Sul for September

The chart shows the monthly maximum UV Index (UVI) for Sao Lourenco 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 Lourenco do Sul typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141312954479121415
Data source: Sao Lourenco 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 Lourenco do Sul Compares to Other Months

Weather in Sao Lourenco 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 Lourenco do Sul, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sao Lourenco do Sul, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)110 mm (4.3 inches)77%extreme
February Weather24°C (76°F)90 mm (3.6 inches)79%extreme
March Weather23°C (73°F)107 mm (4.2 inches)79%extreme
April Weather21°C (69°F)83 mm (3.3 inches)82%very high
May Weather17°C (62°F)116 mm (4.6 inches)87%moderate
June Weather15°C (59°F)92 mm (3.6 inches)85%moderate
July Weather13°C (56°F)108 mm (4.3 inches)82%moderate
August Weather15°C (59°F)96 mm (3.8 inches)81%high
September Weather17°C (62°F)177 mm (6.9 inches)84%very high
October Weather19°C (66°F)154 mm (6.1 inches)85%extreme
November Weather21°C (70°F)91 mm (3.6 inches)82%extreme
December Weather23°C (73°F)74 mm (2.9 inches)84%extreme

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