Average temperatures, rainfall and packing tips for Rio de Janeiro, Brazil in September
🌡️ Avg high
29°C
🌙 Avg low
21°C
🌧️ Rainfall
~14 mm
📊 Warmth rank
#6 of 12
September in Rio de Janeiro at a glance
September in Rio de Janeiro is typically hot, with average daytime highs around 29°C and nights near 21°C. Temperature-wise it sits mid-range for Rio de Janeiro (the 6th warmest month).
Rainfall is light in September: roughly 14 mm across the whole month.
What to pack for Rio de Janeiro in September
Light, breathable clothing (cotton or linen)
Sun protection: hat, sunglasses and SPF
A refillable water bottle
Rio de Janeiro - year at a glance
HighLow · September highlighted
Is September a good time to visit Rio de Janeiro?
🧳 September is one of the most comfortable months to visit Rio de Janeiro - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.
In September, Rio de Janeiro averages a daytime high of about 29°C and a night-time low of around 21°C, based on recent historical data.
Does it rain in Rio de Janeiro in September?
Rainfall is light in September: roughly 14 mm across the whole month.
Is September a good time to visit Rio de Janeiro?
September is one of the most comfortable months to visit Rio de Janeiro - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.