Current sea water temperature:
+62.8°F
| Minimum sea water temperature in September: | 69.4°F |
| Maximum sea water temperature in September: | 60.3°F |
| Average sea water temperature in September: | 64.3°F |
| more information | |
14 days
forecast
forecast
| Porto Alegre |
monthly
weather
weather
| Porto Alegre |
Sea water temperature for the last 10 days:
| September 19 | 62.8°F | September 14 | 61.7°F |
| September 18 | 63.3°F | September 13 | 62.1°F |
| September 17 | 62.2°F | September 12 | 62.8°F |
| September 16 | 62.8°F | September 11 | 62.8°F |
| September 15 | 62.1°F | September 10 | 63.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Porto Alegre?
Based on the data about daily sea water temperature for the last three years the warmest sea in Porto Alegre was noticed in February, January and March.
Monthly Sea Temperatures in Porto Alegre, °F
Sea water temperature in February, °F
Show year:
2026
2025
2024
The average sea water temperature in February of 2026 was 81.3°F. The highest and lowest sea temperatures during the month were 82.9°F and 78.8°F.
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 80.3°F. The highest and lowest sea temperatures during the month were 82.8°F and 78.3°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 79.1°F. The highest and lowest sea temperatures during the month were 81.7°F and 77.7°F.
current
weather
weather
| Porto Alegre |
weather in
September
September
| Porto Alegre |
Best time for vacation in Porto Alegre
Porto Alegre on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Porto Alegre
Local time: 05:09
September 19, saturday
0600
61°F
SW
3 mph
3 mph
0900
63°F
W
5 mph
5 mph
1200
64°F
W
5 mph
5 mph
1500
66°F
SW
3 mph
3 mph
1800
64°F
W
4 mph
4 mph
2100
64°F
W
5 mph
5 mph
September 20, sunday
0000
63°F
W
7 mph
7 mph
0300
63°F
W
5 mph
5 mph
