The Belize resorts with the warmest sea water temperature in September are San Pedro, Belize and Ambergis Caye.
Below you can see a list of all popular Belize resorts and information about sea water temperature in September for the last two years.
| Resort Name | September 2026 | September 2025 | September 2024 |
|---|---|---|---|
| San Pedro | 91.1°F | 90.8°F | 91.6°F |
| Belize | 91.1°F | 90.7°F | 91.4°F |
| Ambergis Caye | 90.9°F | 90.7°F | 91.5°F |
| Placencia | 90.4°F | 90.4°F | 92.2°F |
| Punta Gorda | 90.3°F | 90.3°F | 91.9°F |
Please see following sea water temperature averages charts for the warmest Belize 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.
Belize Resorts:
NAME
F°
| Ambergis Caye |  |
+90 |
| Belize |  |
+88 |
| Belmopan |  |
+88 |
| Orange Walk | |
+92 |
| Placencia | |
+88 |
| Punta Gorda | |
+88 |
| San Ignacio |  |
+94 |
| San Pedro | |
+90 |
