World Resorts South Africa Capetown Weather

Capetown weather in September

Weather in Capetown: September

Average day temperature: 63.8°F
Average night temperature: 54.4°F
Sea water temperature: 57.7°F
Number of sunny days: 16 days
Day length: 11.4 - 12.4 hours
Number of rainy days: 3 days
Precipitation totals: 1.7 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 77°F. At the same time the lowest night temperature was 48°F. Day and night temperature averages during September were 60.9°F and 53.7°F.

Sea water temperature in Capetown in September, °F

Show year:
2023
2022
2021

The average sea water temperature in September of 2023 was 58.7°F. The highest and lowest sea temperatures during the month were 63.0°F and 55.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Capetown in September is 1.7 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 9.4 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.4.

Best time for vacation in Capetown

Sunniest months:
January 24 days
December 23 days
February 22 days
Warmest months:
January 77.3 °F
February 77.2 °F
March 74.5 °F
Warmest sea temp:
February 62.5 °F
January 62.2 °F
December 60.6 °F
Coldest months:
July 60.9 °F
August 61.6 °F
June 61.8 °F
Rainiest months:
June 6 days
August 5 days
July 5 days
Windiest months:
January 11.9 mph
December 11.8 mph
November 11.5 mph

Capetown on a weather map

Capetown
+63°F
S 1 mph
Feels like: +63°F
Precip.: 0%
Places in South Africa:
Name
°F
+72°F
+73°F
+63°F
+70°F
+75°F
+77°F
24 Hours Forecast
Capetown
Local time: 09:51
April 23, tuesday
1200
68°F
E
2 mph
1500
68°F
NE
6 mph
1800
64°F
N
6 mph
2100
63°F
N
4 mph
April 24, wednesday
0000
61°F
N
2 mph
0300
61°F
NE
2 mph
0600
59°F
NE
1 mph
0900
63°F
N
1 mph
Units of measurement: °C / °F