The weather in Fortaleza in September is hot. The average temperatures are between 21°C and 35°C.
There shouldn't be any rainy days in in Fortaleza during September. Having said that, the days are very hot in September so hanging out outside is more recomanded during the after noons and evening time.
Our weather forecast can give you a great sense of what weather to expect in Fortaleza in September 2025.
If you’re planning to visit Fortaleza in the near future, we highly recommend that you review the 14 day weather forecast for Fortaleza before you arrive.
Temperatures
35° / 21°
Rainy Days
0
Snowy Days
0
Dry Days
30
Rainfall
10
mm
Sun Hours
12.0
Hrs
