Weather in São Paulo in September
September in São Paulo is mild with average temperatures around 20.3°C (68.5°F). Moderate rainfall of 68mm spread over 10 days.
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
26.8°C
80.2°F
Low
13.7°C
56.7°F
Precipitation
68 mm
2.7 inches
~10 rainy days
Conditions
Humidity
73%
Comparison to Adjacent Months
September is 2.1°C warmer than August, 32mm wetter than August.
September is 37mm drier than October.