BrazilCountries Brazil September Temperatures
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Temperatures in September
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Temperature in Brazil in September

Brazil, experiences maximum daytime temperatures in September ranging from 18°C in Cassino to 38°C in Teresina. Nighttime temperatures generally drop to 24°C in Teresina and 14°C in Cassino.

What is the temperature of the different cities in Brazil in September?

Explore the map below to discover average September temperatures at the top destinations in Brazil. For a deeper dive, simply click on any destination dot.

Weather conditions Weather
Temperatures
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

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 Brazil's climate page.

  • What is the warmest city in September in Brazil?
    • According to our recent database analysis, Teresina is the warmest city. It experiences an average maximum daytime temperature of approximately 38°C and rarely drops below 24°C during the night.

  • What is the coldest city in September in Brazil?
    • For the month of September, Cassino is the most temperate city in Brazil based on our records. With highs averaging 18°C and nighttime temperatures dipping to around 14°C.

  • How much sun does Brazil get in September?
    • The city Rio de Janeiro usually sees around 144 hours of sunlight, indicating a moderately sunny period.

  • What is the water's temperature in September?
    • The water temperature averages approximately 28°C in Belém this month, an ideal temperature for swimming and cooling off.

    Interested in more climate information?

    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.