Current sea water temperature:
+73.0°F
| Minimum sea water temperature in September: | 77.5°F |
| Maximum sea water temperature in September: | 67.1°F |
| Average sea water temperature in September: | 72.1°F |
| more information | |
14 days
forecast
forecast
| Rio de Janeiro |
monthly
weather
weather
| Rio de Janeiro |
Sea water temperature for the last 10 days:
| September 15 | 73.0°F | September 10 | 72.7°F |
| September 14 | 73.2°F | September 9 | 72.7°F |
| September 13 | 73.4°F | September 8 | 72.3°F |
| September 12 | 73.4°F | September 7 | 72.9°F |
| September 11 | 72.5°F | September 6 | 73.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Rio de Janeiro?
Based on the data about daily sea water temperature for the last three years the warmest sea in Rio de Janeiro was noticed in February, January and March.
Monthly Sea Temperatures in Rio de Janeiro, °F
Sea water temperature in February, °F
Show year:
2026
2025
2024
The average sea water temperature in February of 2026 was 82.1°F. The highest and lowest sea temperatures during the month were 84.4°F and 79.9°F.
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 80.1°F. The highest and lowest sea temperatures during the month were 82.0°F and 77.9°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 78.6°F. The highest and lowest sea temperatures during the month were 82.9°F and 74.7°F.
current
weather
weather
| Rio de Janeiro |
weather in
September
September
| Rio de Janeiro |
Best time for vacation in Rio de Janeiro
Rio de Janeiro on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Rio de Janeiro
Local time: 05:34
September 15, tuesday
0600
66°F
NE
2 mph
2 mph
0900
70°F
NE
7 mph
7 mph
1200
68°F
NE
9 mph
9 mph
1500
68°F
NE
9 mph
9 mph
1800
66°F
NE
7 mph
7 mph
2100
66°F
E
4 mph
4 mph
September 16, wednesday
0000
66°F
NE
5 mph
5 mph
0300
66°F
NE
9 mph
9 mph
