Weather
Average highs sit around 26°C with lows near 19°C. Rainfall is moderate; the odd shower is likely.
Crowds & demand
Crowd levels are Moderate for Rio de Janeiro — manageable crowds at the big attractions.
Prices & value
Prices run mid-range this month: prices close to the yearly average.
Events & what’s on
Look out for Rock in Rio while you’re there.
- Rock in Rio — Massive rock and pop festival returns to the city every two years.
The verdict
September is one of the best times to visit Rio de Janeiro. Expect 26° / 19°, manageable crowds at the big attractions and prices close to the yearly average.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated July 2026
