BrazilCountries Brazil Rio Grande do Sul September Temperatures
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Rio Grande do Sul Brazil
Temperatures in September
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Temperature in Rio Grande do Sul in September

Rio Grande do Sul is a region in Brazil. September in has maximum daytime temperatures ranging from pleasant in Cassino with 18°C to high temperatures in São Borja with 25°C. Nighttime temperatures generally drop to 13°C in São Borja and 14°C in Cassino.

What is the temperature of the different cities in Rio Grande do Sul in September?

To get a sense of September's typical temperatures in the key spots of Rio Grande do Sul, explore the map below. Click on a point for an in-depth look.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

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For a detailed overview of the weather over the year and the best time to visit Brazil, check out our Rio Grande do Sul's climate page.

  • What is the warmest city in September in Rio Grande do Sul?
    • From a thorough analysis of our records, São Borja clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 25°C, and evenings that remain near 13°C.

  • What is the coldest city in September in Rio Grande do Sul?
    • When looking through our records, we find that Cassino stands out as the coolest city in Rio Grande do Sul for the month of September. Daytime highs average 18°C and it cools down to about 14°C at night.

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