The Mexico resorts with the warmest sea water temperature in September are San Blas, Manzaltan and Mazatlan.
Below you can see a list of all popular Mexico resorts and information about sea water temperature in September for the last two years.
| Resort Name | September 2026 | September 2025 | September 2024 |
|---|---|---|---|
| San Blas | 93.9°F | 92.0°F | 92.4°F |
| Manzaltan | 93.8°F | 91.9°F | 92.2°F |
| Mazatlan | 93.8°F | 91.9°F | 92.2°F |
| La Penita de Jaltemba | 93.6°F | 91.3°F | 91.6°F |
| Rincon de Guayabitos | 93.6°F | 91.3°F | 91.6°F |
| San Pancho | 93.2°F | 91.6°F | 92.0°F |
| Sayulita | 93.2°F | 91.5°F | 91.9°F |
| Punta Mita | 92.9°F | 91.4°F | 91.7°F |
| Punta Villela | 92.9°F | 91.4°F | 91.7°F |
| Nuevo Vallarta | 92.8°F | 90.9°F | 91.0°F |
| Puerto Vallarta | 92.8°F | 90.9°F | 90.9°F |
| Puerto Arista | 92.7°F | 91.4°F | 91.6°F |
| San Jose del Cabo | 92.7°F | 91.1°F | 89.6°F |
| La Paz | 92.5°F | 90.2°F | 88.5°F |
| Cabo San Lucas | 92.4°F | 90.4°F | 88.3°F |
| Barra de Potosi | 92.2°F | 90.4°F | 91.8°F |
| Troncones | 92.1°F | 90.4°F | 91.6°F |
| Luces en el Mar | 92.0°F | 90.4°F | 91.1°F |
| Acapulco | 92.0°F | 90.3°F | 91.2°F |
| Campeche | 91.9°F | 91.1°F | 91.9°F |
| Costa Careyes | 91.9°F | 90.5°F | 91.0°F |
| Ciudad Lazaro Cardenas | 91.9°F | 90.4°F | 91.3°F |
| Perula | 91.9°F | 90.5°F | 90.8°F |
| La Manzanilla | 91.9°F | 90.8°F | 91.1°F |
| Manzanillo | 91.8°F | 90.7°F | 91.1°F |
| San Patricio | 91.8°F | 90.9°F | 91.2°F |
| Playa Azul | 91.8°F | 90.7°F | 91.1°F |
| Zihuatanejo | 91.8°F | 90.3°F | 91.8°F |
| Caleta de Campos | 91.8°F | 90.3°F | 91.3°F |
| Chetumal | 91.6°F | 90.8°F | 91.8°F |
| Purerto Escondido | 91.4°F | 90.5°F | 90.8°F |
| Brisas de Zicatela | 91.2°F | 90.4°F | 90.7°F |
| Ciudad del Carmen | 91.2°F | 91.2°F | 91.5°F |
| Mazunte | 90.8°F | 90.4°F | 90.5°F |
| San Agustinillo | 90.8°F | 90.4°F | 90.4°F |
| Playa Zipolite | 90.8°F | 90.4°F | 90.4°F |
| Puerto Angel | 90.7°F | 90.4°F | 90.3°F |
| Boca del Rio | 90.5°F | 90.3°F | 91.4°F |
| Veracruz | 90.5°F | 90.3°F | 91.5°F |
| Salchi | 90.4°F | 90.3°F | 90.1°F |
| Tangolunda | 90.3°F | 90.4°F | 90.1°F |
| La Crucecita | 90.3°F | 90.4°F | 90.1°F |
| Los Medanos | 90.1°F | 90.4°F | 91.2°F |
| Playa Chachalacas | 90.1°F | 90.4°F | 91.2°F |
| Cozumel | 90.1°F | 89.9°F | 90.6°F |
| Mahahual | 90.1°F | 90.0°F | 90.8°F |
| Puerto Morelos | 90.1°F | 89.6°F | 90.4°F |
| Playa del Carmen | 90.0°F | 89.7°F | 90.6°F |
| Puerto Aventuras | 90.0°F | 89.7°F | 90.5°F |
| Merida | 90.0°F | 88.3°F | 89.6°F |
| Riviera Maya | 90.0°F | 89.7°F | 90.4°F |
| Costa de Oro | 89.9°F | 90.2°F | 90.8°F |
| Tulum | 89.9°F | 89.6°F | 90.4°F |
| Coatzacoalcos | 89.8°F | 90.2°F | 90.3°F |
| Tampico | 89.8°F | 90.1°F | 90.3°F |
| Cancun | 89.6°F | 88.8°F | 90.0°F |
| Ciudad Madero | 89.6°F | 90.1°F | 90.4°F |
| Isla Mujeres | 88.9°F | 88.6°F | 89.7°F |
| Casitas | 88.6°F | 89.9°F | 90.4°F |
| Monte Gordo | 88.6°F | 89.9°F | 90.4°F |
| Playa Oriente | 88.4°F | 89.9°F | 90.4°F |
| La Vigueta | 88.4°F | 89.9°F | 90.4°F |
| Tecolutla | 87.9°F | 89.9°F | 90.2°F |
| La Pesca | 87.3°F | 89.8°F | 89.9°F |
| Ensenada | 76.6°F | 72.7°F | 73.5°F |
| Tijuana | 75.1°F | 68.5°F | 70.6°F |
Please see following sea water temperature averages charts for the warmest Mexico 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.
Mexico Resorts:
NAME
F°
| Acapulco |  |
+86 |
| Boca del Rio |  |
+88 |
| Cabo San Lucas | |
+84 |
| Cancun | |
+84 |
| Cozumel | |
+84 |
| La Paz |  |
+96 |
| La Penita de Jaltemba |  |
+84 |
| Luces en el Mar | |
+86 |
| Merida |  |
+80 |
| Playa del Carmen | |
+80 |
| Puerto Vallarta |  |
+72 |
| Riviera Maya | |
+80 |
| San Jose del Cabo | |
+78 |
| Tijuana | |
+94 |
| Tulum | |
+80 |
