Cape Town in september: average Weather, Temperature and Climate
Weather in Cape Town in september 2025
The weather in Cape Town in september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
58°F
Clear/Sunny
42% of time
26%
15%
11%
Weather at 12pm
67°F
Clear/Sunny
49% of time
20%
19%
8%
Weather at 6pm
59°F
Clear/Sunny
54% of time
22%
14%
7%
Weather at 3am
56°F
43%
24%
16%
12%
Evolution of daily average temperature and precipitation in Cape Town in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Cape Town in september.
The climate of Cape Town in september is good
In september in Cape Town, the climate is relatively dry (with 3.3in of rainfall over 5 days). It should be noted an improvement from the previous month since in august it receives an average of 6.3in of precipitation over 8 days.
The climate is quite cool around this city the month of september, but it is liveable when dressing cosy. The high seasonal norm is 67°F. The minimum is 58°F. Thus, the mean temperature average on this month of september in Cape Town is 61°F. Note that these seasonal averages are in contrast with those observed in Cape Town in the month of september with a maximum record of 94°F in 2019 and a minimum record of 47°F in 2013. You can plan to have about 17 days with temperatures over 65°F, or 57% of time.
On this month of september, day length in Cape Town is generally 11:53. The sun rises at 06:45 and sets at 18:38.
With a good climate, this month is a good time to go in this locality.
Seasonal average climate and temperature of Cape Town in september
Check below seasonal norms These datas are compiled from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 61°F | ||||
| Highest temperature | 67°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 94°F (2019) | ||||
| Lowest record temperature | 47°F (2013) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 17 day(s) (57%) | ||||
| Sea temperature | |||||
| Average sea temperature | 60°F | ||||
| Lowest sea temperature | 58°F | ||||
| Highest sea temperature | 62°F | ||||
| Wind | |||||
| Wind speed | 20km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.3in | ||||
| Number of days with rainfall | 5 day(s) (16%) | ||||
| Record daily rainfall | 2.2in (2013) | ||||
| Other climate data | |||||
| Humidity | 79% | ||||
| Visibility | 9.52km | ||||
| Cloud cover | 32% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:45 | ||||
| Time of sunset | 18:38 | ||||
| Length of day | 11:53 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Cape Town in september 2024:
49°F to 67°F
56°F to 81°F
58°F to 68°F
56°F to 61°F
50°F to 56°F
45°F to 61°F
47°F to 59°F
52°F to 56°F
45°F to 63°F
45°F to 67°F
47°F to 70°F
50°F to 63°F
47°F to 63°F
50°F to 65°F
54°F to 63°F
52°F to 65°F
49°F to 63°F
49°F to 56°F
49°F to 58°F
47°F to 65°F
43°F to 68°F
50°F to 74°F
59°F to 77°F
58°F to 70°F
52°F to 65°F
50°F to 65°F
50°F to 63°F
47°F to 59°F
49°F to 54°F
49°F to 54°F
Map: other cities in South Africa in september
Cities near Cape Town:
| Table Mountain National Park in september | good weather |
| Kirstenbosch National Botanical Garden in september | good weather |
| Atlantis in september | good weather |
| Stellenbosch in september | good weather |
| Cape of Good Hope in september | good weather |
| Paarl in september | good weather |
| Hermanus in september | good weather |
| Worcester in september | good weather |
| Saldanha in september | good weather |
| Gansbaai in september | good weather |
| Pearly Beach in september | good weather |
| Agulhas National Park in september | good weather |
Click over cities on the map for information about the weather in september.
Cape Town
perfect weather
good
tolerable
bad
very bad
Weather data for Cape Town in september:
Weather data for Cape Town for september are derived from an average of the weather forecast since 2009 in Cape Town. There is a margin of error and these forecasts are to be considered as general information only. The weather in Cape Town can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Cape Town.