Average weather in September in Rio de Janeiro (Rio de Janeiro State), Brazil

The average minimum temperature (usually the minimum temperature is noted during the night) in Rio de Janeiro in September is 19.0°C (66.2°F). The amount of rain in September is normal with an average of 53mm (2.1in). It rains on average a total of 7 days. The average maximum daytime temperature lies around 25.0°C (77°F). The sun will occasionally show itself with 137 hours of sunshine during the whole month. September is known as one of the best months to visit Rio de Janeiro.


So what to wear in September? Bring a rain jacket just in case since it will be raining a few days during this period. Also bring your shorts or a skirt because it can be very warm or even hot. With a water temperature of around 21.0°C (69.8°F), this is a great month to swim so bring your swimwear.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in September look at the numbers below.

Where to stay in Rio de Janeiro

Weather Forecasts for Rio de Janeiro (Rio de Janeiro State)

Show in Fahrenheit

FRI Jun 24

30°C | 19°C

Sunny

SAT Jun 25

26°C | 19°C

Patchy rain possible

SUN Jun 26

20°C | 18°C

Moderate rain

5-Day Forecast 10-Day Forecast