Is Cape Town hot in September?
Days are typically mild at 20.4°C, while nights average 8.9°C.
South Africa · 1991–2020 normal
Cape Town in
September.
Typical September weather in Cape Town: 20.4°C by day, 8.9°C at night, 58 mm of rain over 9.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high20.4°C
Typical low8.9°C
Rain58 mm
Wet days9.7
In the year-round weather comparison, September scores 68 out of 100 (November leads the year at 93). Daylight is calculated as 11 h 56 from latitude -33.93°.
September at a glance
What is Cape Town like in September?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 58 mm across about 10 wet days.
How much daylight is there?
There are about 11 h 56 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September ranks 9 of 12 in our weather comparison; November ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 3369157
- NOAA station
- SFM00068816 · CAPE TOWN INTL
- Station distance
- 17.1 km from the place centre
- Coverage
- Good coverage · 21 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Cape Town is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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