Stellenbosch weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Excellent
Best time to visit: September – April
What is the weather like in Stellenbosch in September?
In September, Stellenbosch is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. The sun shines for around 8 hours a day. Rain falls on about 9 days, adding up to 65 mm. All in all, September is an excellent month for a holiday in Stellenbosch.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 68 | 85 | 95 |
| Day | 16° | 18° | 21° |
| Night | 8° | 9° | 12° |
| Sun | 7 h | 8 h | 9 h |
| Rain days | 11 | 9 | 6 |
More details for September
- Daylight
- 11 h 50 min06:45 – 18:35
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 49 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+2Africa/Johannesburg
How the score comes together
- Temperatureweight 50 %99 %
- Sunshineweight 20 %77 %
- Few rainy daysweight 30 %68 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Stellenbosch in September: quick answers
Is Stellenbosch hot in September?
No. In September, Stellenbosch is mild: daytime highs average 18 °C and nights drop to about 9 °C.
Does it rain much in Stellenbosch in September?
Rain falls on about 9 days, adding up to 65 mm.
Stellenbosch month by month
The whole year in StellenboschAll destinations: South AfricaWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences