Rio de Janeiro Weather in September
Brazil · 30-year monthly averages
🌟 Great time to visit
September in Rio de Janeiro is warm, with average daytime highs around 26°C (78°F) and nighttime lows near 19°C (66°F). Expect roughly 79mm of precipitation, with a moderate amount of rain.
Avg high
26°C
78°F
Avg low
19°C
66°F
Rainfall
79mm
moderate
Mean temp
22°C
72°F
🎒 What to pack
- light summer clothing
- sunscreen and sunglasses
September vs the rest of the year
FAQ
- How hot is Rio de Janeiro in September?
- September in Rio de Janeiro is warm, with average daytime highs around 26°C (78°F) and nighttime lows near 19°C (66°F). Expect roughly 79mm of precipitation, with a moderate amount of rain.
- Does it rain a lot in Rio de Janeiro in September?
- Rio de Janeiro sees around 79mm of precipitation in September on average — moderate by global standards.
- Is September a good time to visit Rio de Janeiro?
- September is one of the best months to visit Rio de Janeiro — comfortable temperatures and manageable rainfall.