The Brazil resorts with the warmest sea water temperature in September are Macapa, Belem and Ananindeua.
Below you can see a list of all popular Brazil resorts and information about sea water temperature in September for the last two years.
| Resort Name | September 2026 | September 2025 | September 2024 |
|---|---|---|---|
| Macapa | 90.7°F | 89.4°F | 90.3°F |
| Belem | 88.7°F | 88.1°F | 88.5°F |
| Ananindeua | 88.4°F | 87.9°F | 88.4°F |
| Sao Luis | 86.6°F | 86.1°F | 86.0°F |
| Sao Jose de Ribamar | 86.5°F | 86.1°F | 85.9°F |
| Ilha de Itamaraca | 85.3°F | 83.4°F | 83.3°F |
| Paulista | 85.1°F | 83.4°F | 83.3°F |
| Jaboatao dos Guararapes | 85.1°F | 83.3°F | 83.3°F |
| Paracuru | 85.1°F | 84.0°F | 83.3°F |
| Recife | 85.0°F | 83.3°F | 83.3°F |
| Jericoacoara | 85.0°F | 84.1°F | 83.5°F |
| Fortaleza | 85.0°F | 83.8°F | 83.2°F |
| Olinda | 85.0°F | 83.3°F | 83.2°F |
| Joao Pessoa | 84.9°F | 83.2°F | 83.0°F |
| Natal | 84.8°F | 83.2°F | 83.0°F |
| Maceio | 84.2°F | 83.0°F | 83.5°F |
| Salvador | 83.2°F | 81.6°F | 82.6°F |
| Aracaju | 83.2°F | 82.2°F | 82.8°F |
| Lauro de Freitas | 82.6°F | 81.6°F | 82.4°F |
| Ilheus | 82.3°F | 81.1°F | 82.3°F |
| Itacare | 82.3°F | 81.0°F | 82.0°F |
| Paraiso dos Pataxos | 81.8°F | 80.9°F | 81.9°F |
| Porto Seguro | 81.8°F | 80.9°F | 81.7°F |
| Itaipava | 77.2°F | 76.0°F | 76.4°F |
| Marataizes | 76.9°F | 76.1°F | 76.3°F |
| Alto Lagoa Funda | 76.9°F | 76.1°F | 76.3°F |
| Piuma | 76.9°F | 75.8°F | 76.0°F |
| Sao Goncalo | 76.5°F | 75.8°F | 80.0°F |
| Anchieta | 76.4°F | 75.4°F | 75.4°F |
| Duque de Caxias | 76.3°F | 75.2°F | 78.3°F |
| Niteroi | 75.8°F | 74.5°F | 78.1°F |
| Guarapari | 75.6°F | 75.0°F | 74.8°F |
| Paraty | 75.3°F | 75.6°F | 77.4°F |
| Parati | 75.3°F | 75.6°F | 77.4°F |
| Vila Velha | 75.3°F | 74.9°F | 74.5°F |
| Rio de Janeiro | 75.2°F | 73.7°F | 76.9°F |
| Itaipuacu | 74.7°F | 72.9°F | 76.2°F |
| Angra dos Reis | 74.6°F | 74.9°F | 76.5°F |
| Unamar | 74.6°F | 74.4°F | 76.1°F |
| Rio das Ostras | 74.5°F | 73.2°F | 74.8°F |
| Macae | 74.4°F | 73.1°F | 74.8°F |
| Itamambuca Beach | 74.2°F | 73.9°F | 73.9°F |
| Ubatuba | 74.2°F | 73.8°F | 73.8°F |
| Cabo Frio | 74.2°F | 73.0°F | 74.9°F |
| Armacao dos Buzios | 74.2°F | 73.3°F | 75.4°F |
| Buzios | 74.2°F | 73.3°F | 75.4°F |
| Barra da Tijuca | 73.7°F | 72.1°F | 74.7°F |
| Maranduba | 73.4°F | 73.3°F | 73.6°F |
| Sao Sebastiao | 73.0°F | 72.7°F | 72.8°F |
| Ilhabela | 72.9°F | 72.7°F | 73.0°F |
| Caraguatatuba | 72.8°F | 73.1°F | 73.6°F |
| Sao Paulo | 72.0°F | 72.2°F | 72.3°F |
| Sao Vicente | 71.9°F | 71.8°F | 71.8°F |
| Praia Grande | 71.8°F | 71.8°F | 71.8°F |
| Santos | 71.8°F | 71.9°F | 71.9°F |
| Mongagua | 71.8°F | 71.4°F | 71.5°F |
| Guaruja | 71.7°F | 71.8°F | 71.9°F |
| Itanhaem | 71.6°F | 71.3°F | 71.2°F |
| Peruibe | 71.6°F | 71.3°F | 71.3°F |
| Ilha Comprida | 70.9°F | 70.4°F | 70.2°F |
| Pontal do Parana | 69.5°F | 70.1°F | 69.7°F |
| Matinhos | 69.3°F | 70.2°F | 69.6°F |
| Guaratuba | 69.3°F | 70.1°F | 69.6°F |
| Itapoa | 69.2°F | 69.3°F | 69.5°F |
| Barra Velha | 68.8°F | 69.1°F | 68.6°F |
| Penha | 68.5°F | 68.6°F | 68.9°F |
| Itajai | 68.2°F | 67.9°F | 69.0°F |
| Balneario Camboriu | 68.2°F | 68.0°F | 69.0°F |
| Itapema | 68.1°F | 68.0°F | 68.9°F |
| Pôrto Belo | 67.8°F | 67.9°F | 69.0°F |
| Bombinhas | 67.8°F | 68.0°F | 69.0°F |
| Palhoca | 66.8°F | 68.6°F | 69.2°F |
| Florianopolis | 66.3°F | 68.2°F | 68.9°F |
| Porto Alegre | 64.9°F | 65.8°F | 65.7°F |
| Enseada da Pinheira | 64.9°F | 67.1°F | 67.4°F |
| Garopaba | 64.3°F | 66.8°F | 66.9°F |
| Ibiraquera | 64.3°F | 67.0°F | 66.8°F |
| Balneario Esplanada | 63.1°F | 66.0°F | 65.3°F |
| Arroio do Silva | 62.5°F | 66.2°F | 64.7°F |
| Tôrres | 62.4°F | 66.0°F | 64.4°F |
| Arroio do Sal | 62.3°F | 66.1°F | 64.2°F |
| Xangri-la | 61.4°F | 65.5°F | 63.3°F |
| Rio Grande | 61.4°F | 64.1°F | 62.4°F |
| Tramandai | 61.3°F | 65.1°F | 63.5°F |
| Quintao | 60.7°F | 64.6°F | 62.8°F |
| Cidreira | 60.4°F | 64.8°F | 63.0°F |
| Balneario Pinhal | 60.3°F | 64.7°F | 62.9°F |
| Cassino | 59.1°F | 62.4°F | 59.8°F |
Please see following sea water temperature averages charts for the warmest Brazil resorts in September.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Brazil Resorts:
NAME
F°
| Balneario Camboriu |  |
+68 |
| Buzios |  |
+76 |
| Duque de Caxias | |
+78 |
| Florianopolis |  |
+68 |
| Fortaleza |  |
+84 |
| Joao Pessoa | |
+82 |
| Natal | |
+82 |
| Recife | |
+78 |
| Rio de Janeiro | |
+76 |
| Salvador | |
+82 |
| Santos | |
+74 |
| Sao Jose de Ribamar | |
+84 |
| Sao Paulo |  |
+70 |
| Sao Sebastiao | |
+70 |
| Xangri-la | |
+68 |
