What is the weather like in Foz do Iguaçu vs Rio de Janeiro in September?

In September, Foz do Iguaçu averages 30°C high / 17°C low with about 92 mm of rain; Rio de Janeiro averages 29°C high / 20°C low with about 60 mm.

Foz do Iguaçu vs Rio de Janeiro in September

Rio de Janeiro is the better pick in September — 88 vs 75 on SeasonMap's comfort score. Rio de Janeiro is hot, a little rain, while Foz do Iguaçu is hot, rainy.

Foz do Iguaçu vs Rio de Janeiro — September climate, side by side

	🇧🇷 Foz do Iguaçu	🇧🇷 Rio de Janeiro
Comfort score	75/100 (B)	88/100 (A)
Feels-like high	32°C	31°C
Avg high / low	30° / 17°	29° / 20°
Rainfall	92 mm	60 mm
Rainy days	8	9
Humidity	69%	74%
Air quality (AQI)	57	70

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

Month by month

Foz do Iguaçu vs Rio de Janeiro in September — FAQ

Is September better in Foz do Iguaçu or Rio de Janeiro?: Rio de Janeiro is the better pick in September — 88 vs 75 on SeasonMap's comfort score. Rio de Janeiro is hot, a little rain, while Foz do Iguaçu is hot, rainy.
What is the weather like in Foz do Iguaçu vs Rio de Janeiro in September?: In September, Foz do Iguaçu averages 30°C high / 17°C low with about 92 mm of rain; Rio de Janeiro averages 29°C high / 20°C low with about 60 mm.