Rio de Janeiro in September
Spring warmth before the summer rush
By Daan · Last reviewed October 2026
The short answer
September is one of the best months to visit Rio de Janeiro.
Temperatures climb again and the days get longer, while rain stays moderate. Beaches are open and crowds are still modest before the October-December build-up.
September in detail
What September actually feels like
- Weather
- 19–26°C
- Spring warmth before the summer rush
- Crowds
- Low
- Prices
- $$$
+Warming weather with moderate crowds.
–Passing fronts can bring grey, showery days.
My tip for September
Book rooftops and sunset slots a few days ahead on weekends.
- beaches
- sightseeing
How September compares
Against the other eleven months
3rd of 12 overall in Rio de Janeiro, 3rd for weather, 2nd for space, 3rd for value. The emptiest month is May; the best value is May.
See all twelve months for Rio de JaneiroNot set on September?
Even stronger months in Rio de Janeiro
Also good in September
Weather
Weather in Rio de Janeiro in September
In September Rio de Janeiro averages a high of 26°C (79°F) and a low of 19°C (66°F), with about 54 mm of rain or snow over 7 wet days. The warmest month is February (around 32°C) and the coolest is July (around 25°C); the wettest month is January.
- Average high
- 26°C
- 79°F
- Average low
- 19°C
- 66°F
- Precipitation
- 54 mm
- Wet days
- 7
Climate data: Brazilian National Institute of Meteorology. Temperatures are averages of daily highs and lows.
Quick answers
Rio de Janeiro in September: the questions people ask
- Is September a good time to visit Rio de Janeiro?
- September is one of the best months to visit Rio de Janeiro. It ranks 3 of 12 months in Rio de Janeiro overall (3 for weather, 2 for space, 3 for value). The main upside: Warming weather with moderate crowds. The main downside: Passing fronts can bring grey, showery days.
- What is the weather like in Rio de Janeiro in September?
- Average highs are around 26°C and lows around 19°C. Expect about 54 mm of rain or snow over roughly 7 wet days. Spring warmth before the summer rush. For comparison, the warmest month is February (around 32°C) and the coolest is July (around 25°C).
- Is Rio de Janeiro crowded in September?
- Crowds are low. Low. The quietest month is May.
- How expensive is Rio de Janeiro in September?
- Prices are at level 3 of 5 ($$$). $$$. The best-value month is May.
- When is the best time to visit Rio de Janeiro?
- In the CrowdFreeViews month scores, May is the best month overall (September ranks 3 of 12). The quietest month is May and the best value is May.
Ready to book September in Rio de Janeiro?
Warming weather with moderate crowds.
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