Weather in Belém in September
September in Belém is warm with average temperatures around 29.0°C (84.2°F). Moderate rainfall of 75mm spread over 16 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
33.3°C
91.9°F
Low
24.7°C
76.5°F
Precipitation
75 mm
3.0 inches
~16 rainy days
Conditions
Humidity
73%