Weather in September in Brazil
Thinking about venturing to Brazil this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:
What is the weather like in Brazil in September?
Brazil has a wide variety of climate types. During September, you can expect temperatures that range from pleasant to very hot and precipitation levels ranging from almost none to heavy.
Temperatures
The average maximum daytime temperatures vary from pleasant in Cassino at 18°C to very hot in Teresina at 38°C. Nighttime temperatures generally drop to 24°C in Teresina and 14°C in Cassino.
Precipitation
In September, precipitation varies across different areas. From almost no rainfall in Sousa with an average of 1.3 mm to heavy rainfall in Praia Grande with 204 mm.Average sunshine
Most cities enjoy a balanced amount of sunshine, with around 144 hours of sunlight anticipated in Rio de Janeiro. This ensures the days are neither too dim nor excessively sunny.For a closer look at September's conditions in Brazil, see the map below. For a more detailed look at Brazil's yearly weather, check out our Brazil climate page.
Where to go in Brazil in September
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Popular destinations
What is the weather like in September for the 5 most popular destinations in Brazil?
Rio de Janeiro
In September Rio de Janeiro generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 19°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Sao Paulo
In September Sao Paulo generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 15°C and high monthly rainfall. So on average the conditions are pleasant that month.
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Florianópolis
In September Florianópolis generally has high temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 16°C and high monthly rainfall. So on average the conditions are pleasant that month.
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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.
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Fortaleza
In September Fortaleza generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 25°C and low monthly rainfall. So on average the conditions are perfect that month.
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Is your destination not in the list? Have a look at other destinations in Brazil.
Is September the best time to visit Brazil?
We consider September to be one of the best times to travel to Brazil. Typically, the climate in Rio de Janeiro is perfect. It's worth noting that weather conditions might differ depending on the location you visit.
On average, the best time to visit Brazil is in May, June, July, August and September with generally perfect weather in Rio de Janeiro. In contrast, January and December tend to have unpleasant weather conditions.
Interested in more climate information?
We have much more information about the climate in Brazil.
Interested in the weather conditions in a specific month? Select the month below.
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.