Weather in Brasília in September
September in Brasília is warm with average temperatures around 25.4°C (77.7°F). Light rainfall with only 32mm expected.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
32.8°C
91.0°F
Low
18.0°C
64.4°F
Precipitation
32 mm
1.2 inches
~7 rainy days
Conditions
Humidity
43%
Comparison to Adjacent Months
September is 2.5°C warmer than August, 21mm wetter than August.
September is 82mm drier than October.