What is the weather like in Fortaleza vs Rio de Janeiro in September?

In September, Fortaleza averages 31°C high / 25°C low with about 3 mm of rain; Rio de Janeiro averages 29°C high / 20°C low with about 60 mm.

Fortaleza vs Rio de Janeiro in September

Fortaleza is the better pick in September — 92 vs 88 on SeasonMap's comfort score. Fortaleza is hot, dry, clean air, while Rio de Janeiro is hot, a little rain.

Fortaleza vs Rio de Janeiro — September climate, side by side

	Fortaleza	Rio de Janeiro
Comfort score	92/100 (S)	88/100 (A)
Feels-like high	32°C	31°C
Avg high / low	31° / 25°	29° / 20°
Rainfall	3 mm	60 mm
Rainy days	1	9
Humidity	70%	74%
Air quality (AQI)	50	70

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Fortaleza vs Rio de Janeiro in September — FAQ

Is September better in Fortaleza or Rio de Janeiro?: Fortaleza is the better pick in September — 92 vs 88 on SeasonMap's comfort score. Fortaleza is hot, dry, clean air, while Rio de Janeiro is hot, a little rain.
What is the weather like in Fortaleza vs Rio de Janeiro in September?: In September, Fortaleza averages 31°C high / 25°C low with about 3 mm of rain; Rio de Janeiro averages 29°C high / 20°C low with about 60 mm.