Rio Grande do Sul Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Rio Grande do Sul, Brazil in September.

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Gramado Canela Porto Alegre Bento Gonçalves

Planning a getaway to Rio Grande do Sul, Brazil 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 to Expect in Rio Grande do Sul in September

Rio Grande do Sul, Brazil 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 (64°F) to warm in São Borja at 25°C (77°F). At night it cools down to 13°C (55°F) in São Borja and 14°C (57°F) in Cassino.

For a closer look at conditions across Rio Grande do Sul, Brazil, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Chuí with an average of 106 mm (4.2 in) to heavy rainfall in São Francisco de Paula with 194 mm (7.6 in).

Explore Rio Grande do Sul by month

Pick a month to see the average temperature, rainfall and sunshine in Rio Grande do Sul - and find the best time to visit. (based on Gramado)

January28°C (82°F) February28°C (82°F) March27°C (81°F) April24°C (75°F) May21°C (70°F) June19°C (66°F) This monthJuly19°C (66°F) August21°C (70°F) September22°C (72°F) October24°C (75°F) November26°C (79°F) December28°C (82°F)
Best Time to Visit Rio Grande do Sul →

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
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Rio Grande do Sul

What is the weather like in September for some of the most popular destinations in Rio Grande do Sul, Brazil?

Temperature range in Rio Grande do Sul (September)

Precipitation variation in Rio Grande do Sul (September)

Gramado

In September Gramado generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 11°C (52°F) and heavy monthly rainfall. So on average the conditions are good that month.

« August
September
October »
August
September
October
Max temperature
21°C (70°F)
22°C (72°F)
24°C (75°F)
Min temperature
9°C (48°F)
11°C (52°F)
13°C (55°F)
Monthly rainfall
144 mm (5.7 in)
187 mm (7.4 in)
222 mm (8.7 in)
Monthly rainy days
16 days
18 days
18 days
Weather conditions
very good
good
mixed
Climate in Gramado →

Canela

In September Canela generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 10°C (50°F) and heavy monthly rainfall. So on average the conditions are good that month.

« August
September
October »
August
September
October
Max temperature
21°C (70°F)
22°C (72°F)
24°C (75°F)
Min temperature
9°C (48°F)
10°C (50°F)
13°C (55°F)
Monthly rainfall
143 mm (5.6 in)
186 mm (7.3 in)
220 mm (8.7 in)
Monthly rainy days
16 days
18 days
18 days
Weather conditions
very good
good
mixed
Climate in Canela →

Porto Alegre

In September Porto Alegre generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 13°C (55°F) and high monthly rainfall. So on average the conditions are very good that month.

« August
September
October »
August
September
October
Max temperature
22°C (72°F)
23°C (73°F)
26°C (79°F)
Min temperature
11°C (52°F)
13°C (55°F)
15°C (59°F)
Monthly sun hours
147 hours
145 hours
181 hours
Monthly rainfall
123 mm (4.8 in)
155 mm (6.1 in)
172 mm (6.8 in)
Monthly rainy days
16 days
18 days
16 days
Weather conditions
very good
very good
very good
Climate in Porto Alegre →

Bento Gonçalves

In September Bento Gonçalves generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 11°C (52°F) and heavy monthly rainfall. So on average the conditions are very good that month.

« August
September
October »
August
September
October
Max temperature
22°C (72°F)
22°C (72°F)
25°C (77°F)
Min temperature
9°C (48°F)
11°C (52°F)
13°C (55°F)
Monthly rainfall
136 mm (5.4 in)
174 mm (6.9 in)
211 mm (8.3 in)
Monthly rainy days
16 days
18 days
17 days
Weather conditions
very good
very good
mixed
Climate in Bento Gonçalves →

Nova Petrópolis

In September Nova Petrópolis generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 11°C (52°F) and heavy monthly rainfall. So on average the conditions are good that month.

« August
September
October »
August
September
October
Max temperature
22°C (72°F)
22°C (72°F)
24°C (75°F)
Min temperature
10°C (50°F)
11°C (52°F)
13°C (55°F)
Monthly sun hours
147 hours
145 hours
181 hours
Monthly rainfall
146 mm (5.7 in)
187 mm (7.4 in)
223 mm (8.8 in)
Monthly rainy days
16 days
18 days
17 days
Weather conditions
very good
good
mixed
Climate in Nova Petrópolis →

Is your destination not in the list? Have a look at all destinations in Rio Grande do Sul, in Brazil.

Popular cities in September

Day & night temperatures, rainfall and average weather in Rio Grande do Sul in September.

City Weather Day temp Night temp Rainfall
Gramado 22°C (72°F) 11°C (52°F) 187 mm (7.4 in)
Canela 22°C (72°F) 10°C (50°F) 186 mm (7.3 in)
Porto Alegre 23°C (73°F) 13°C (55°F) 155 mm (6.1 in)
Bento Gonçalves 22°C (72°F) 11°C (52°F) 174 mm (6.9 in)
Nova Petrópolis 22°C (72°F) 11°C (52°F) 187 mm (7.4 in)
Capão da Canoa 19°C (66°F) 15°C (59°F) 192 mm (7.6 in)

Rio Grande do Sul weather in September: frequently asked questions

What is the weather like in Rio Grande do Sul, Brazil in September?

Rio Grande do Sul, Brazil typically experiences good weather in September, part of the season. Daytime highs in Gramado average around 22°C (72°F), and temperatures drop to about 11°C (52°F) at night.

What is the average temperature in Rio Grande do Sul, Brazil in September?

Gramado averages a daytime maximum of 22°C (72°F) in September, with overnight lows close to 11°C (52°F).

Does Rio Grande do Sul, Brazil get a lot of rain in September?

Yes. September brings heavy rainfall to Rio Grande do Sul, Brazil, with Gramado averaging around 187 mm (7.4 in). Expect frequent showers and pack accordingly.

Is September a Good Time to Visit Rio Grande do Sul, Brazil?

In our opinion, September is a good time to visit Rio Grande do Sul, Brazil with overall good weather in Gramado.

On average, the best time to visit Rio Grande do Sul, Brazil is in March, April, May, August and November with generally very good weather in Gramado. On the other hand, the weather in January, February and October tend to be mixed.

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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