Rio de Janeiro weather in September (Rio de Janeiro State, Brazil)
This month is known as a warm month.
The average maximum daytime temperature in Rio de Janeiro in September lies at 25.7°C (78.26°F).
The average minimum temperature goes down to around 18.3°C (64.94°F) (often the minimum temperature is noted at night).
Rainfall during September is moderate with an average of 60mm (2.4 inches).
There are generally around 12 rainy days.
The sun will show itself now and again, with 144 hours of sunshine during the entire month.
Rio de Janeiro, monthly averages in September
Where to stay in Rio de Janeiro
Where to go in Brazil in September
Find out more about the weather in Brazil in September and which places have the best weather conditions in this month.





What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Rio de Janeiro.
Our site offers climate and forecast data for almost all countries in the world. Are you going to Brazil? On this website you can find historical weather averages for many cities in Brazil. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.