Weather in Guarulhos in September
September in Guarulhos is mild with average temperatures around 20.6°C (69.1°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
14.5°C
58.1°F
Precipitation
68 mm
2.7 inches
~10 rainy days
Conditions
Humidity
74%
Comparison to Adjacent Months
September is 31mm wetter than August.
September is 39mm drier than October.