World Weather & Climate Information

Average weather 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 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.

Monthly averages

°C
Min Temperature 19.0°C
Max Temperature 25.0°C
Water Temperature 21.0°C
Chance of Rain 23.3%
Precipitation 53mm
Rainy Days 7
Windspeed 10.8kmph
Humidity 79%
Sunshine Hours 137

What to Do

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

Cheapest month to fly to Rio de Janeiro

Where to stay in Rio de Janeiro

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