Average sea water temperature in September:
+72.1°F
| Minimum sea water temperature in September: | 77.5°F |
| Maximum sea water temperature in September: | 67.1°F |
Daily sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 72.7°F. The highest and lowest sea temperatures during the month were 73.8°F and 71.2°F.
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| Rio de Janeiro |
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| Rio de Janeiro |
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Monthly sea water temperature in Rio de Janeiro, °F
Which Brazil resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Macapa | 86.6°F | 85.5°F |
| Belem | 84.8°F | 84.3°F |
| Ananindeua | 84.5°F | 84.1°F |
| Sao Luis | 82.9°F | 82.5°F |
| Sao Jose de Ribamar | 82.8°F | 82.5°F |
| Ilha de Itamaraca | 81.8°F | 80.1°F |
| Paulista | 81.6°F | 80.0°F |
| Jaboatao dos Guararapes | 81.6°F | 80.0°F |
| Paracuru | 81.6°F | 80.6°F |
| Recife | 81.5°F | 79.9°F |
| Jericoacoara | 81.5°F | 80.7°F |
| Fortaleza | 81.5°F | 80.4°F |
| Olinda | 81.5°F | 80.0°F |
| Joao Pessoa | 81.4°F | 79.8°F |
| Natal | 81.3°F | 79.9°F |
| Maceio | 80.7°F | 79.7°F |
| Salvador | 79.9°F | 78.5°F |
| Aracaju | 79.8°F | 79.0°F |
| Lauro de Freitas | 79.3°F | 78.4°F |
| Itacare | 79.0°F | 77.9°F |
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: 22:34
September 26, saturday
0000
70°F
SW
4 mph
4 mph
0300
70°F
S
3 mph
3 mph
0600
70°F
SW
3 mph
3 mph
0900
75°F
SW
4 mph
4 mph
1200
79°F
NW
7 mph
7 mph
1500
77°F
NW
7 mph
7 mph
1800
73°F
W
7 mph
7 mph
2100
72°F
W
6 mph
6 mph
