Rio de Janeiro weather in September (Rio de Janeiro State, Brazil)
Interested in knowing the climate of Rio de Janeiro in September? Use this page to get an overview of the month’s weather conditions.
Temperatures
During September, Rio de Janeiro is known for its perfect weather, characterized by high temperatures and moderate rainfall. During the day, temperatures can climb to about 27°C. At night, they may fall to a cooler 19°C.
Precipitation
Rio de Janeiro in September usually receives moderate rainfall, averaging around 85 mm for the month. You can typically expect 12 days of rain this month, based on climate records.Average sunshine
The area enjoys a balanced 144 hours of sunlight, ensuring it's neither too overcast nor too sunny.So this is a great month to visit if you prefer dry days with pleasant temperatures. May, June, July, August and September typically offer the most optimal weather. In contrast, January and December tend to have less optimal conditions.
Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.
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 Rio de Janeiro's climate page.
Rio de Janeiro, monthly averages in September
Min Temperature
19°C
Max Temperature
27°C
Water Temperature
21°C
Chance of Rain
38%
Precipitation
85 mm
Rainy days
12 days
Humidity
79%
Windspeed
3 m/s
Sunshine
144 hours
Percentage Sunshine
Where to go in Brazil in September
Find out more about the weather in Brazil and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
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 Rio de Janeiro's climate page.
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 21°C this is a great month to swim so bring your swimwear.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Rio de Janeiro.
Our site offers climate and forecast data for every country 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 recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
