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Brazil temperatures in September

Brazil in September has maximum daytime temperatures ranging from pleasant in Cassino with 18°C (64°F) to very high temperatures in Floriano with 37°C (98°F). Nighttime temperatures generally drop to 24°C (75°F) in Floriano and 13°C (56°F) in Cassino.

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

Find the average daytime temperatures in September for the most popular destinations in Brazil on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather
Temperatures
Precipitation
Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30ºC (86ºF). Warm: 22ºC (72ºF) to 30ºC (86ºF). Pleasant: 18ºC (64ºF) to 22ºC (72ºF) Moderate: 12ºC (54ºF) to 18ºC (64ºF). Cold: 2ºC (36ºF) to 12ºC (54ºF). Very cold: lower than 2ºC (36ºF)

  • What is the warmest city in September in Brazil?
    • Floriano tops the warmest city list in our database with average maximum daytime temperatures around 37°C (98°F) and a minimum nighttime temperature of around 24°C (75°F).

  • What is the coldest city in September in Brazil?
    • The coldest city in September in Brazil is Cassino when we check our database. The maximum daytime temperatures are around 18°C (64°F) and minimum nighttime temperatures fall around 13°C (56°F).

  • How much sun does Brazil get in September?
    • September is generally a moderate sunny month with an average of 144 hours of sunshine in Rio de Janeiro during the whole month.

  • How warm is the water in September?
    • The water temperature averages approximately 28°C (82°F) in Belém this month, an ideal temperature for swimming.

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