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 2025 | September 2024 | September 2023 |
|---|---|---|---|
| Macapa | 89.4°F | 90.3°F | 90.7°F |
| Belem | 88.1°F | 88.5°F | 88.7°F |
| Ananindeua | 87.9°F | 88.4°F | 88.4°F |
| Sao Luis | 86.1°F | 86.0°F | 86.6°F |
| Sao Jose de Ribamar | 86.1°F | 85.9°F | 86.6°F |
| Jericoacoara | 84.1°F | 83.5°F | 85.1°F |
| Paracuru | 84.0°F | 83.3°F | 84.9°F |
| Fortaleza | 83.8°F | 83.2°F | 84.6°F |
| Ilha de Itamaraca | 83.4°F | 83.3°F | 84.5°F |
| Paulista | 83.4°F | 83.3°F | 84.3°F |
| Olinda | 83.3°F | 83.2°F | 84.3°F |
| Jaboatao dos Guararapes | 83.3°F | 83.3°F | 84.2°F |
| Recife | 83.3°F | 83.3°F | 84.2°F |
| Natal | 83.2°F | 83.0°F | 84.3°F |
| Joao Pessoa | 83.2°F | 83.0°F | 84.3°F |
| Maceio | 83.0°F | 83.5°F | 83.6°F |
| Aracaju | 82.2°F | 82.8°F | 83.0°F |
| Salvador | 81.6°F | 82.6°F | 83.2°F |
| Lauro de Freitas | 81.6°F | 82.4°F | 82.7°F |
| Ilheus | 81.1°F | 82.3°F | 82.4°F |
| Itacare | 81.0°F | 82.0°F | 82.4°F |
| Paraiso dos Pataxos | 80.9°F | 81.9°F | 81.1°F |
| Porto Seguro | 80.9°F | 81.7°F | 80.8°F |
| Marataizes | 76.1°F | 76.3°F | 75.6°F |
| Alto Lagoa Funda | 76.1°F | 76.3°F | 75.6°F |
| Itaipava | 76.0°F | 76.4°F | 75.7°F |
| Sao Goncalo | 75.8°F | 80.0°F | 80.4°F |
| Piuma | 75.8°F | 76.0°F | 75.3°F |
| Paraty | 75.6°F | 77.4°F | 78.3°F |
| Parati | 75.6°F | 77.4°F | 78.3°F |
| Anchieta | 75.4°F | 75.4°F | 74.7°F |
| Duque de Caxias | 75.2°F | 78.3°F | 79.3°F |
| Guarapari | 75.0°F | 74.8°F | 74.1°F |
| Angra dos Reis | 74.9°F | 76.5°F | 78.3°F |
| Vila Velha | 74.9°F | 74.5°F | 74.1°F |
| Niteroi | 74.5°F | 78.1°F | 78.2°F |
| Unamar | 74.4°F | 76.1°F | 74.9°F |
| Itamambuca Beach | 73.9°F | 73.9°F | 77.2°F |
| Ubatuba | 73.8°F | 73.8°F | 77.0°F |
| Rio de Janeiro | 73.7°F | 76.9°F | 77.3°F |
| Armacao dos Buzios | 73.3°F | 75.4°F | 73.0°F |
| Buzios | 73.3°F | 75.4°F | 73.0°F |
| Maranduba | 73.3°F | 73.6°F | 76.3°F |
| Rio das Ostras | 73.2°F | 74.8°F | 72.7°F |
| Caraguatatuba | 73.1°F | 73.6°F | 76.1°F |
| Macae | 73.1°F | 74.8°F | 72.5°F |
| Cabo Frio | 73.0°F | 74.9°F | 73.1°F |
| Itaipuacu | 72.9°F | 76.2°F | 76.7°F |
| Sao Sebastiao | 72.7°F | 72.8°F | 76.2°F |
| Ilhabela | 72.7°F | 73.0°F | 76.1°F |
| Sao Paulo | 72.2°F | 72.3°F | 75.4°F |
| Barra da Tijuca | 72.1°F | 74.7°F | 76.1°F |
| Santos | 71.9°F | 71.9°F | 75.0°F |
| Guaruja | 71.8°F | 71.9°F | 75.2°F |
| Sao Vicente | 71.8°F | 71.8°F | 74.9°F |
| Praia Grande | 71.8°F | 71.8°F | 75.2°F |
| Mongagua | 71.4°F | 71.5°F | 75.2°F |
| Itanhaem | 71.3°F | 71.2°F | 75.1°F |
| Peruibe | 71.3°F | 71.3°F | 74.7°F |
| Ilha Comprida | 70.4°F | 70.2°F | 73.4°F |
| Matinhos | 70.2°F | 69.6°F | 72.3°F |
| Guaratuba | 70.1°F | 69.6°F | 72.1°F |
| Pontal do Parana | 70.1°F | 69.7°F | 72.7°F |
| Itapoa | 69.3°F | 69.5°F | 71.4°F |
| Barra Velha | 69.1°F | 68.6°F | 70.3°F |
| Penha | 68.6°F | 68.9°F | 70.1°F |
| Palhoca | 68.6°F | 69.2°F | 70.5°F |
| Florianopolis | 68.2°F | 68.9°F | 69.8°F |
| Bombinhas | 68.0°F | 69.0°F | 69.3°F |
| Balneario Camboriu | 68.0°F | 69.0°F | 69.7°F |
| Itapema | 68.0°F | 68.9°F | 69.5°F |
| Pôrto Belo | 67.9°F | 69.0°F | 69.4°F |
| Itajai | 67.9°F | 69.0°F | 69.8°F |
| Enseada da Pinheira | 67.1°F | 67.4°F | 68.3°F |
| Ibiraquera | 67.0°F | 66.8°F | 67.6°F |
| Garopaba | 66.8°F | 66.9°F | 67.5°F |
| Arroio do Silva | 66.2°F | 64.7°F | 65.7°F |
| Arroio do Sal | 66.1°F | 64.2°F | 65.6°F |
| Balneario Esplanada | 66.0°F | 65.3°F | 66.5°F |
| Tôrres | 66.0°F | 64.4°F | 65.8°F |
| Porto Alegre | 65.8°F | 65.7°F | 67.2°F |
| Xangri-la | 65.5°F | 63.3°F | 65.3°F |
| Tramandai | 65.1°F | 63.5°F | 65.1°F |
| Cidreira | 64.8°F | 63.0°F | 64.4°F |
| Balneario Pinhal | 64.7°F | 62.9°F | 64.3°F |
| Quintao | 64.6°F | 62.8°F | 64.3°F |
| Rio Grande | 64.1°F | 62.4°F | 62.9°F |
| Cassino | 62.4°F | 59.8°F | 61.3°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°
| Anchieta |  |
+72 |
| Armacao dos Buzios |  |
+72 |
| Buzios | |
+72 |
| Florianopolis |  |
+70 |
| Fortaleza | |
+84 |
| Itajai | |
+70 |
| Jericoacoara | |
+80 |
| Recife | |
+84 |
| Rio de Janeiro | |
+74 |
| Rio Grande |  |
+70 |
| Salvador | |
+82 |
| Santos | |
+74 |
| Sao Paulo | |
+68 |
| Unamar | |
+74 |
| Xangri-la | |
+68 |
