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Rio de Janeiro State Brazil
Temperatures in September
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Rio de Janeiro State temperatures in September

Rio de Janeiro State is a region in Brazil. In September the average maximum daytime temperatures are high and range from 24°C in Trindade to 29°C in Campos dos Goytacazes. Nighttime temperatures generally drop to 19°C in Campos dos Goytacazes and 19°C in Trindade.

What is the temperature of the different cities in Rio de Janeiro State in September?

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

Weather conditions Weather
Temperatures
Precipitation
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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

  • What is the warmest city in September in Rio de Janeiro State?
    • According to our recent database analysis, Campos dos Goytacazes is the warmest city. It experiences an average maximum daytime temperature of approximately 29°C and rarely drops below 19°C during the night.

  • What is the coldest city in September in Rio de Janeiro State?
    • For the month of September, Trindade is the most temperate city in Rio de Janeiro State based on our records. With highs averaging 24°C and nighttime temperatures dipping to around 19°C.

  • How much sun does Rio de Janeiro State get in September?
    • 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.

  • What is the water's temperature in September?
    • The water temperature averages approximately 21°C in Rio de Janeiro this month, a rehreshing temperature for swimming and cooling off.

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