The Mexico resorts with the warmest sea water temperature in September are Chetumal, Campeche 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 2020 | September 2019 | September 2018 |
|---|---|---|---|
| Chetumal | 91.2°F | 91.0°F | 89.8°F |
| Campeche | 91.0°F | 90.9°F | 90.5°F |
| Manzaltan | 90.9°F | 91.5°F | 91.5°F |
| Puerto Vallarta | 90.1°F | 90.7°F | 89.9°F |
| Ciudad del Carmen | 89.8°F | 90.3°F | 89.5°F |
| Purto Aventuras | 89.6°F | 89.5°F | 88.3°F |
| Cozumel | 89.6°F | 89.7°F | 88.4°F |
| Riviera Maya | 89.6°F | 89.5°F | 88.3°F |
| Playa del Carmen | 89.6°F | 89.6°F | 88.3°F |
| Tulum | 89.6°F | 89.5°F | 88.5°F |
| Purerto Escondido | 89.6°F | 90.4°F | 90.2°F |
| Zihuatanejo | 89.6°F | 90.4°F | 90.4°F |
| Manzanillo | 89.4°F | 90.2°F | 90.0°F |
| Acapulco | 89.3°F | 90.2°F | 90.4°F |
| Ciudad Lazaro Cardenas | 89.1°F | 90.2°F | 90.1°F |
| Cancun | 89.0°F | 88.9°F | 88.2°F |
| Boca del Rio | 88.7°F | 89.1°F | 89.5°F |
| Veracruz | 88.7°F | 89.1°F | 89.5°F |
| Merida | 88.5°F | 88.8°F | 85.1°F |
| Cabo San Lucas | 88.2°F | 88.1°F | 89.6°F |
| Tampico | 87.7°F | 88.2°F | 87.8°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 |
| Cabo San Lucas |  |
+70 |
| Cancun | |
+78 |
| Chetumal |  |
+76 |
| Ciudad del Carmen |  |
+72 |
| Cozumel | |
+78 |
| Manzaltan | |
+70 |
| Manzanillo | |
+82 |
| Merida | |
+78 |
| Playa del Carmen | |
+78 |
| Puerto Vallarta | |
+90 |
| Riviera Maya | |
+78 |
| Tampico | |
+74 |
| Veracruz |  |
+72 |
| Zihuatanejo | |
+86 |
