Temperature in Rio Grande do Sul in September

Daytime highs, nighttime lows and the warmest cities in Rio Grande do Sul, Brazil this September.

Rio Grande do Sul, Brazil, a region in Brazil, experiences maximum daytime temperatures in September ranging from 18°C (64°F) in Cassino to 25°C (77°F) in São Borja. Nighttime temperatures generally drop to 13°C (55°F) in São Borja and 14°C (57°F) in Cassino.

What is the temperature of the different cities in Rio Grande do Sul, Brazil 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.

Select a Month

Check the conditions for any month of the year.

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

See also: Rio Grande do Sul weather by month.

Best Places to Visit in Rio Grande do Sul in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Rio Grande do Sul.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Rio Grande do Sul

Rio Grande do Sul temperatures in September: frequently asked questions

How hot does it get in Rio Grande do Sul, Brazil in September?

Daytime temperatures in Gramado typically peak at 22°C (72°F) in September, putting it in the pleasant range.

How cold does it get at night in Rio Grande do Sul, Brazil in September?

Average overnight lows in Rio Grande do Sul, Brazil during September sit near 11°C (52°F) in Gramado.

What is the warmest city in September in Rio Grande do Sul, Brazil?

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 (77°F), and evenings that remain near 13°C (55°F).

What is the coldest city in September in Rio Grande do Sul, Brazil?

Our database indicates that in September, Cassino is the city with the coolest temperatures in Rio Grande do Sul, Brazil. You can expect daytime highs of 18°C (64°F) and nighttime lows close to 14°C (57°F).

Interested in more climate information?

We have much more information about the climate in Rio Grande do Sul.

Weather and climate has detailed information for every country in the world. Are you going to Brazil? Get detailed historical weather averages for many cities in Brazil.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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