Weather in September in Rio Grande do Sul
Planning a getaway to Rio Grande do Sul this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:
What is the weather like in Rio Grande do Sul in September?
Rio Grande do Sul is a region in Brazil. September in Rio Grande do Sul generally has temperatures that range from pleasant to warm, with precipitation levels ranging from high to heavy.
Temperatures
During the day temperatures vary from pleasant in Cassino at 18°C to warm in São Borja at 25°C. At night it cools down to 13°C in São Borja and 14°C in Cassino.For a closer look at conditions across Rio Grande do Sul, refer to the map below.
Precipitation
In September, precipitation varies across different areas. From high rainfall in Chuí with an average of 106 mm to heavy rainfall in São Francisco de Paula with 194 mm.For more details on the yearly climate, visit our Rio Grande do Sul climate page.
Where to go in Rio Grande do Sul in September





Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Rio Grande do Sul's climate page.
Popular destinations
What is the weather like in September for the 5 most popular destinations in Rio Grande do Sul?
Gramado
In September Gramado generally has pleasant temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 11°C and heavy monthly rainfall. So on average the conditions are tolerable that month.
Canela
In September Canela generally has pleasant temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 10°C and heavy monthly rainfall. So on average the conditions are tolerable that month.
Porto Alegre
In September Porto Alegre generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 13°C and high monthly rainfall. So on average the conditions are pleasant that month.
Bento Gonçalves
In September Bento Gonçalves generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 11°C and heavy monthly rainfall. So on average the conditions are pleasant that month.
Nova Petrópolis
In September Nova Petrópolis generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 11°C and heavy monthly rainfall. So on average the conditions are tolerable that month.
Is your destination not in the list? Have a look at other destinations in Rio Grande do Sul, in Brazil.
Is September the best time to visit Rio Grande do Sul?
In our opinion, September is a good time to visit Rio Grande do Sul with overall tolerable weather in Gramado.
On average, the best time to visit Rio Grande do Sul is in March, April, May, August and November with generally pleasant weather in Gramado. On the other hand, the weather in January, February and October tend to be unpleasant.
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.