Rio de Janeiro State weather in September
Are you planning a trip to Rio de Janeiro State in September and wondering what kind of weather to expect? This page has all the details you need.
What is the weather like in Rio de Janeiro State in September?
Rio de Janeiro State is a region in Brazil. September in Rio de Janeiro State generally has warm temperatures, with precipitation levels ranging from moderate to heavy.
The average maximum temperatures are warm 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.
In September, precipitation varies across different areas. From moderate rainfall in Arraial do Cabo with an average of 56 mm to heavy rainfall in Paraty with 186 mm. Most areas experience a moderate amount of sunshine, with approximately 144 hours of sunlight expected in Rio de Janeiro. This makes it neither too gloomy nor overly bright.
To learn more about the conditions in specific areas of Rio de Janeiro State in September, check out the map below. For more details on the yearly weather, visit our Rio de Janeiro State climate page.
Where to go in Rio de Janeiro State in September
perfect weather
pleasant
tolerable
unpleasant
poor
Popular destinations
What is the weather like in September for the 5 most popular destinations in Rio de Janeiro State?
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.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Búzios
In September Búzios generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 20°C and moderate monthly rainfall. So on average the conditions are perfect that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Paraty
In September Paraty generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 18°C and heavy monthly rainfall. So on average the conditions are tolerable that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Cabo Frio
In September Cabo Frio generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 20°C and moderate monthly rainfall. So on average the conditions are perfect that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Ilha Grande
In September Ilha Grande generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 19°C and high monthly rainfall. So on average the conditions are pleasant that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Is your destination not in the list? Have a look at other destinations in Rio de Janeiro State, in Brazil.
Is September the best time to visit Rio de Janeiro State?
We believe that September is one of the best times to visit Rio de Janeiro State with overall perfect weather in Rio de Janeiro. It's worth noting that weather conditions might differ depending on the location you visit.
On average, the best time to visit Rio de Janeiro State is in May, June, July, August and September with generally perfect weather in Rio de Janeiro. On the other hand, the weather in January and December tend to be unpleasant.
Interested in more climate information?
We have much more information about the climate in Rio de Janeiro State.
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 climate conditions. Find out where to go with our weather planner.