Rio de Janeiro in September: weather, sea & travel advice
Rio de Janeiro in September is especially suited to city breaks, family holidays, beach holidays and active holidays and hiking. Days are around 25 °C (warm), and the sea is about 21 °C. With about 7 rainy days it is moderate.
Rio de Janeiro · SeptemberPhoto: Jens Hausherr from Hamburg, Deutschland · CC BY-SA 2.0Climate facts
- Day
- 25 °C
- Night
- 19 °C
- Sea
- 21 °C
- Rainy days
- 7 rainy days
- Sun
- 6 h/day
- Humidity
- 77 %
Suitability by travel type
BeachExcellent85/100
City breakExcellent91/100
ActiveGood76/100
FamilyExcellent88/100
In favour
- Pleasant daytime temperatures around 25 °C
To consider
- No significant drawbacks.
All months at a glance
28J
28F
28M
27A
25M
24J
24J
25A
25S
26O
26N
27D
12J
10F
10M
9A
7M
6J
5J
5A
7S
10O
11N
12D
Similar destinations in September
Frequently asked questions
How warm is Rio de Janeiro in September?
Daytime highs average around 25 °C, with nights around 19 °C.
Can you swim in Rio de Janeiro in September?
The sea is about 21 °C (swimmable).
Does it rain a lot in Rio de Janeiro in September?
On the long-term average, expect about 7 rainy days.
When is the best time to visit Rio de Janeiro?
The most favourable months are usually the ones highlighted on the overview page. Values are historical averages, not a forecast.