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

In September, Manaus averages 34°C high / 26°C low with about 86 mm of rain; Rio de Janeiro averages 29°C high / 20°C low with about 60 mm.

Manaus vs Rio de Janeiro in September

Rio de Janeiro is the better pick in September — 88 vs 64 on SeasonMap's comfort score. Rio de Janeiro is hot, a little rain, while Manaus is sweltering, rainy, muggy air.

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

	🇧🇷 Manaus	🇧🇷 Rio de Janeiro
Comfort score	64/100 (C)	88/100 (A)
Feels-like high	40°C	31°C
Avg high / low	34° / 26°	29° / 20°
Rainfall	86 mm	60 mm
Rainy days	14	9
Humidity	76%	74%
Air quality (AQI)	73	70

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

Month by month

Manaus vs Rio de Janeiro in September — FAQ

Is September better in Manaus or Rio de Janeiro?: Rio de Janeiro is the better pick in September — 88 vs 64 on SeasonMap's comfort score. Rio de Janeiro is hot, a little rain, while Manaus is sweltering, rainy, muggy air.
What is the weather like in Manaus vs Rio de Janeiro in September?: In September, Manaus averages 34°C high / 26°C low with about 86 mm of rain; Rio de Janeiro averages 29°C high / 20°C low with about 60 mm.