Current Sea Water Temperature:
+56.2°F
| Maximum Sea Water Temperature in September: | 64.4°F |
| Minimum Sea Water Temperature in September: | 47.8°F |
| Average water temperature in September: | 58.0°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| September 28 | 56.2°F | September 23 | 53.8°F |
| September 27 | 57.4°F | September 22 | 53.0°F |
| September 26 | 56.2°F | September 21 | 52.4°F |
| September 25 | 56.0°F | September 20 | 51.4°F |
| September 24 | 55.8°F | September 19 | 50.6°F |
When is the Warmest Sea for Capetown?
According to our data for the last three years for Capetown the highest average sea water temperature was in February, January and March.
Average Water Temperature by Month, °F
Sea Water Temperature in February
The average sea surface temperature in February 2026 for Capetown was 61.1°F. The maximum and minimum values were 53.6°F and 68.2°F respectively.
Sea Water Temperature in January
The average sea surface temperature in January 2026 for Capetown was 57.6°F. The maximum and minimum values were 52.8°F and 62.0°F respectively.
Sea Water Temperature in March
The average sea surface temperature in March 2026 for Capetown was 63.9°F. The maximum and minimum values were 59.6°F and 69.0°F respectively.
South Africa Resorts:
NAME
F°
| Capetown |  |
+56 |
| Durban |  |
+62 |
| Hazyview |  |
+48 |
| Johannesburg | |
+60 |
| Pilanesberg | |
+66 |
| Port Elizabeth | |
+58 |
| Pretoria | |
+60 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Capetown
Local time: 02:00
29 sep, tuesday
| 0300 |  |
56°F | NW 6 mph |
| 0600 |  |
54°F | NW 5 mph |
| 0900 |  |
62°F | NW 6 mph |
| 1200 | |
76°F | N 5 mph |
| 1500 | |
80°F | N 6 mph |
| 1800 | |
78°F | N 3 mph |
| 2100 | |
70°F | NW 4 mph |
30 sep, wednesday
| 0000 | |
66°F | N 3 mph |