Average Weather during 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). 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 occasionally during 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 often be raining. Also bring your shorts or a skirt because it can be very nice and warm.

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 here.

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

Monthly Averages

Show in Celsius

Min Temperature 66 °F
Max Temperature 77 °F
Water Temperature 69 °F
Chance of Rain 23%
Precipitation 2 in
Rainy Days 7
Sunshine Hours 137

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Swimming
7/10
Cycling
10/10
Walking
10/10
Camping
8/10
Outdoor sports
10/10

More Climate Information For Rio de Janeiro

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.