Weather in Fortaleza in September
September in Fortaleza is warm with average temperatures around 27.5°C (81.5°F). Light rainfall with only 3mm 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
30.0°C
86.0°F
Low
25.0°C
77.0°F
Precipitation
3 mm
0.1 inches
~1 rainy days
Conditions
Humidity
72%