Measurements:
°C
°F
CURRENT WEATHER
20:46
Rio de Janeiro
74°F
W 9 mph
Feels like: 80°F
Precip: 19%
World Resorts Brazil Rio de Janeiro Weather

7 Day Weather Forecast

09.28
mon
DAY
80°F
NW 7 mph
precip
12%
NIGHT
74°F
SW 4 mph
precip
14%
09.29
tue
DAY
82°F
NW 7 mph
precip
7%
NIGHT
78°F
E 6 mph
precip
11%
09.30
wed
DAY
94°F
SE 4 mph
precip
2%
NIGHT
74°F
E 5 mph
precip
32%
10.01
thu
DAY
78°F
W 2 mph
precip
13%
NIGHT
72°F
NW 3 mph
precip
68%
10.02
fri
DAY
70°F
N 8 mph
precip
88%
NIGHT
70°F
W 12 mph
precip
78%
10.03
sat
DAY
70°F
W 9 mph
precip
73%
NIGHT
72°F
SW 7 mph
precip
51%
10.04
sun
DAY
86°F
S 9 mph
precip
3%
NIGHT
74°F
E 15 mph
precip
55%

Rio de Janeiro Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Rio de Janeiro was 22.6°F. The maximum and minimum values were 21.8°F and 23.2°F respectively.

Rio de Janeiro on the Weather Map

Best Time to Visit Rio de Janeiro
The most sunny months:
July 20 days
August 19 days
June 18 days
The most warm months:
February 92.5 °F
January 91.2 °F
March 90.4 °F
Warmest sea temperature:
February 83.2 °F
January 82.6 °F
March 82.2 °F
The most cold months:
August 82.1 °F
June 82.4 °F
July 82.6 °F
The most rainy months:
November 9 days
December 8 days
January 7 days
The most windy months:
October 7 mph
September 7 mph
November 7 mph
more details