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). The average maximum temperature lies around 25.0°C (77°F). With a water temperature of around 21.0°C (69.8°F), this is a great month to swim. You will see the sun sometimes in this month, it has 137 hours of sun.

So what to wear in September? Visitors traveling to Rio de Janeiro should plan on bringing a totally waterproof rain jacket since it will be raining some days. Also bring your shorts and or a skirt because it can be very nice and warm.

Do these climate conditions match with when you want to go to Rio de Janeiro? Find out where to stay here.

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

Weather and Climate offers all the information you need to know about the climate in Rio de Janeiro.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Brazil and climate and forecast data for all other countries in the world.