The Mexico resorts with the warmest sea water temperature in September are San Blas, Mazatlan and Manzaltan.
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 2025 | September 2024 | September 2023 |
|---|---|---|---|
| San Blas | 92.0°F | 92.4°F | 93.2°F |
| Mazatlan | 91.9°F | 92.2°F | 93.4°F |
| Manzaltan | 91.9°F | 92.2°F | 93.4°F |
| San Pancho | 91.6°F | 92.0°F | 92.2°F |
| Sayulita | 91.5°F | 91.9°F | 92.1°F |
| Punta Mita | 91.4°F | 91.7°F | 92.0°F |
| Punta Villela | 91.4°F | 91.7°F | 92.0°F |
| Puerto Arista | 91.4°F | 91.6°F | 92.1°F |
| La Penita de Jaltemba | 91.3°F | 91.6°F | 92.5°F |
| Rincon de Guayabitos | 91.3°F | 91.6°F | 92.5°F |
| Ciudad del Carmen | 91.2°F | 91.5°F | 91.9°F |
| San Jose del Cabo | 91.1°F | 89.6°F | 90.9°F |
| Campeche | 91.1°F | 91.9°F | 92.5°F |
| Nuevo Vallarta | 90.9°F | 91.0°F | 92.2°F |
| Puerto Vallarta | 90.9°F | 90.9°F | 92.2°F |
| San Patricio | 90.9°F | 91.2°F | 91.3°F |
| Chetumal | 90.8°F | 91.8°F | 91.5°F |
| La Manzanilla | 90.8°F | 91.1°F | 91.3°F |
| Manzanillo | 90.7°F | 91.1°F | 91.5°F |
| Playa Azul | 90.7°F | 91.1°F | 91.6°F |
| Costa Careyes | 90.5°F | 91.0°F | 91.2°F |
| Perula | 90.5°F | 90.8°F | 91.0°F |
| Purerto Escondido | 90.5°F | 90.8°F | 91.2°F |
| Brisas de Zicatela | 90.4°F | 90.7°F | 91.2°F |
| San Agustinillo | 90.4°F | 90.4°F | 91.0°F |
| Playa Zipolite | 90.4°F | 90.4°F | 91.0°F |
| Luces en el Mar | 90.4°F | 91.1°F | 92.0°F |
| Troncones | 90.4°F | 91.6°F | 91.9°F |
| Mazunte | 90.4°F | 90.5°F | 91.0°F |
| La Crucecita | 90.4°F | 90.1°F | 90.7°F |
| Puerto Angel | 90.4°F | 90.3°F | 90.8°F |
| Cabo San Lucas | 90.4°F | 88.3°F | 90.3°F |
| Barra de Potosi | 90.4°F | 91.8°F | 92.0°F |
| Tangolunda | 90.4°F | 90.1°F | 90.8°F |
| Ciudad Lazaro Cardenas | 90.4°F | 91.3°F | 91.7°F |
| Los Medanos | 90.4°F | 91.2°F | 91.2°F |
| Playa Chachalacas | 90.4°F | 91.2°F | 91.2°F |
| Salchi | 90.3°F | 90.1°F | 90.7°F |
| Acapulco | 90.3°F | 91.2°F | 92.0°F |
| Zihuatanejo | 90.3°F | 91.8°F | 92.1°F |
| Boca del Rio | 90.3°F | 91.4°F | 91.2°F |
| Veracruz | 90.3°F | 91.5°F | 91.2°F |
| Caleta de Campos | 90.3°F | 91.3°F | 91.9°F |
| Costa de Oro | 90.2°F | 90.8°F | 91.1°F |
| Coatzacoalcos | 90.2°F | 90.3°F | 90.4°F |
| La Paz | 90.2°F | 88.5°F | 91.1°F |
| Ciudad Madero | 90.1°F | 90.4°F | 89.1°F |
| Tampico | 90.1°F | 90.3°F | 89.2°F |
| Mahahual | 90.0°F | 90.8°F | 90.4°F |
| Casitas | 89.9°F | 90.4°F | 89.9°F |
| Monte Gordo | 89.9°F | 90.4°F | 89.9°F |
| Playa Oriente | 89.9°F | 90.4°F | 89.7°F |
| La Vigueta | 89.9°F | 90.4°F | 89.7°F |
| Tecolutla | 89.9°F | 90.2°F | 89.3°F |
| Cozumel | 89.9°F | 90.6°F | 90.3°F |
| La Pesca | 89.8°F | 89.9°F | 89.8°F |
| Playa del Carmen | 89.7°F | 90.6°F | 90.1°F |
| Puerto Aventuras | 89.7°F | 90.5°F | 90.0°F |
| Riviera Maya | 89.7°F | 90.4°F | 90.0°F |
| Puerto Morelos | 89.6°F | 90.4°F | 90.1°F |
| Tulum | 89.6°F | 90.4°F | 89.9°F |
| Cancun | 88.8°F | 90.0°F | 89.1°F |
| Isla Mujeres | 88.6°F | 89.7°F | 88.6°F |
| Merida | 88.3°F | 89.6°F | 91.5°F |
| Ensenada | 72.7°F | 73.5°F | 70.3°F |
| Tijuana | 68.5°F | 70.6°F | 68.9°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 |  |
+80 |
| Cabo San Lucas |  |
+72 |
| Cancun | |
+82 |
| Cozumel | |
+82 |
| La Paz | |
+74 |
| Mazatlan | |
+80 |
| Playa del Carmen | |
+82 |
| Playa Zipolite | |
+78 |
| Puerto Angel | |
+78 |
| Puerto Vallarta | |
+74 |
| Punta Mita | |
+76 |
| Riviera Maya | |
+82 |
| San Blas | |
+78 |
| San Patricio | |
+82 |
| Tulum | |
+82 |
