Rio de Janeiro Weather in September
27°C high · 16.8°C low · 55 mm rain · 6.5h sun
Yes — Sep is one of the best months to visit Rio de Janeiro, with mild weather and 6.5h of daily sunshine.
September at a glance
| Metric | Value |
|---|---|
| Average high | 27°C |
| Average low | 16.8°C |
| Rainfall | 55 mm |
| Sunshine | 6.5 hours/day |
| Daylight | 11.9 hours |
What to pack in September
Pack comfortable clothes with a light layer for evenings for Rio de Janeiro in September.
Rio de Janeiro weather by month
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Frequently asked questions
What is the weather in Rio de Janeiro in September?
Highs of 27°C and lows of 16.8°C, with about 55 mm of rain and 6.5 hours of sunshine per day.
Is September a good time to visit Rio de Janeiro?
Yes — Sep is one of the best months to visit Rio de Janeiro, with mild weather and 6.5h of daily sunshine.
What to do in Rio de Janeiro · Best time to visit Rio de Janeiro
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.