The temperatures in Rio De Janeiro in September are comfortable with low of 19°C and and high up to 28°C.
You can expect about 3 to 8 days of rain in Rio De Janeiro during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Rio De Janeiro in September 2025.
If you’re planning to visit Rio De Janeiro in the near future, we highly recommend that you review the 14 day weather forecast for Rio De Janeiro before you arrive.
Temperatures
28° / 19°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
124
mm
Sun Hours
10.1
Hrs
