Porto Alegre weather in September (Rio Grande do Sul, Brazil)

How's the weather trend in Porto Alegre as September approaches? Find out what kind of weather to expect during this month.

Temperatures

In September, Porto Alegre usually has high temperatures and high rainfall. Expect daytime highs to reach approximately 23°C, with nighttime lows dipping to around 13°C.

Precipitation

Porto Alegre in September usually receives high rainfall, averaging around 155 mm for the month. Looking at the last 30 years, the data shows about 18 days with rain.

Average sunshine

The area experiences a moderate amount of sunshine, with approximately 145 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Porto Alegre. April, May, June, July, August, September, October and November typically offer the most agreeable circumstances. On the other hand, January, February, March and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Porto Alegre climate page with graphs.

 

Porto Alegre, monthly averages in September

Min Temperature 13°C  

Max Temperature 23°C  

Chance of Rain 60%  

Precipitation 155 mm  

Rainy days 18 days  

Humidity 78%  

Windspeed 4 km/h  

Sunshine 145 hours  

Percentage Sunshine  

Where to go in Brazil in September

Find out more about the weather in Brazil and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

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

So, what should you wear in this month?

For visitors traveling to Porto Alegre, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Camping

6/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Porto Alegre.

Our site offers climate and forecast data for every country in the world. Are you going to Brazil? On this website you can find 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.