Measurements:
°C
°F
CURRENT WEATHER
01:59
Capetown
56°F
NW 6 mph
Feels like: 54°F
Precip: 9%
World Resorts South Africa Capetown Weather

7 Day Weather Forecast

09.29
tue
DAY
76°F
N 5 mph
precip
1%
NIGHT
66°F
N 3 mph
precip
2%
09.30
wed
DAY
90°F
NW 4 mph
precip
0%
NIGHT
78°F
S 6 mph
precip
1%
10.01
thu
DAY
76°F
SE 16 mph
precip
11%
NIGHT
60°F
SE 5 mph
precip
25%
10.02
fri
DAY
66°F
N 5 mph
precip
20%
NIGHT
56°F
N 12 mph
precip
17%
10.03
sat
DAY
66°F
NW 20 mph
precip
3%
NIGHT
58°F
NW 7 mph
precip
9%
10.04
sun
DAY
76°F
W 2 mph
precip
1%
NIGHT
62°F
W 3 mph
precip
5%
10.05
mon
DAY
68°F
SE 7 mph
precip
11%
NIGHT
60°F
NE 5 mph
precip
15%

Capetown Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Capetown was 12.0°F. The maximum and minimum values were 10.3°F and 13.7°F respectively.

Capetown on the Weather Map

Best Time to Visit Capetown
The most sunny months:
January 24 days
February 22 days
December 22 days
The most warm months:
January 80.0 °F
February 79.9 °F
March 77.4 °F
Warmest sea temperature:
February 63.4 °F
January 63.0 °F
March 61.7 °F
The most cold months:
July 61.9 °F
August 62.8 °F
June 63.2 °F
The most rainy months:
June 5 days
August 4 days
July 4 days
The most windy months:
January 11 mph
December 11 mph
November 11 mph
more details