Current Sea Water Temperature:
+78.6°F
| Maximum Sea Water Temperature in September: | 81.2°F |
| Minimum Sea Water Temperature in September: | 74.8°F |
| Average water temperature in September: | 77.2°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| September 08 | 78.6°F | September 03 | 78.4°F |
| September 07 | 78.8°F | September 02 | 78.8°F |
| September 06 | 79.2°F | September 01 | 78.4°F |
| September 05 | 78.8°F | August 31 | 78.6°F |
| September 04 | 78.6°F | August 30 | 78.6°F |
When is the Warmest Sea for Porto Santo Island?
According to our data for the last three years for Porto Santo Island the highest average sea water temperature was in September, August and October.
Average Water Temperature by Month, °F
Sea Water Temperature in September
The average sea surface temperature in September 2025 for Porto Santo Island was 76.8°F. The maximum and minimum values were 75.8°F and 77.8°F respectively.
Sea Water Temperature in August
The average sea surface temperature in August 2026 for Porto Santo Island was 78.8°F. The maximum and minimum values were 77.0°F and 79.6°F respectively.
Sea Water Temperature in October
The average sea surface temperature in October 2025 for Porto Santo Island was 75.9°F. The maximum and minimum values were 75.2°F and 76.6°F respectively.
Portugal Resorts:
NAME
F°
| Albufeira |  |
+74 |
| Algarve | |
+76 |
| Cascais |  |
+70 |
| Ericeira | |
+68 |
| Faro | |
+76 |
| Funchal | |
+64 |
| Lagos | |
+70 |
| Lisbon | |
+72 |
| Madeira | |
+64 |
| Ponta Delgada |  |
+76 |
| Portimao | |
+66 |
| Porto | |
+66 |
| Quarteira | |
+76 |
| Sao Miguel | |
+76 |
| Setubal | |
+72 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Porto Santo Island
Local time: 00:04
09 sep, wednesday
| 0300 |  |
76°F | SW 16 mph |
| 0600 | |
76°F | SW 16 mph |
| 0900 |  |
76°F | SW 15 mph |
| 1200 |  |
76°F | SW 14 mph |
| 1500 | |
78°F | S 14 mph |
| 1800 | |
78°F | S 13 mph |
| 2100 | |
78°F | S 13 mph |
10 sep, thursday
| 0000 | |
78°F | S 14 mph |