The Guatemala resorts with the warmest sea water temperature in September are Port of San Jose, Puerto Barrios and Livingston.
Below you can see a list of all popular Guatemala resorts and information about sea water temperature in September for the last two years.
| Resort Name | September 2026 | September 2025 | September 2024 |
|---|---|---|---|
| Port of San Jose | 91.5°F | 89.6°F | 90.8°F |
| Puerto Barrios | 91.0°F | 90.5°F | 92.0°F |
| Livingston | 90.6°F | 90.7°F | 92.3°F |
Please see following sea water temperature averages charts for the warmest Guatemala 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.
Sea Water
Temperature
Temperature
| Port of San Jose |
Sea Water
Temperature
Temperature
| Puerto Barrios |
Sea Water
Temperature
Temperature
| Livingston |
Guatemala Resorts:
NAME
F°
| Antigua Guatemala |  |
+74 |
| Chiquimula | |
+88 |
| Coatepeque | |
+82 |
| Coban | |
+70 |
| Escuintla | |
+78 |
| Guatemala | |
+68 |
| Huehuetenango | |
+66 |
| Jalapa | |
+76 |
| Livingston |  |
+90 |
| Mixco | |
+70 |
| Port of San Jose | |
+88 |
| Puerto Barrios | |
+90 |
| Quetzaltenango | |
+64 |
| San Juan Sacatepequez | |
+66 |
| Villa Nueva | |
+66 |
