Stellenbosch in September
In September, Stellenbosch averages 19°C (67°F) during the day and 9°C (49°F) at night, with around 9 days of rain (77 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Occasional showers are likely but won't dominate.
September is a great month to visit Stellenbosch: pleasant temperatures and relatively few wet days.
How September compares to the rest of the year in Stellenbosch
September is in the middle of the year for warmth in Stellenbosch (9th of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature runs 4°C below the annual average (23°C). September runs 2°C warmer than August (18°C) and warms a further 4°C into October (23°C).
September sunrise & sunset in Stellenbosch
Times shown for Stellenbosch local time (Africa/Johannesburg), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Stellenbosch — September
Golden-hour and blue-hour windows for the 15th of September, in Stellenbosch's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Stellenbosch in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (High season) and Stellenbosch's popularity.
Crowds & pricing — September in Stellenbosch
This is a busy month in Stellenbosch — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — September in Stellenbosch
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Stellenbosch in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 30°C / 86°F | 17°C / 63°F | 26 mm | 4 | — |
| February | 30°C / 86°F | 17°C / 63°F | 15 mm | 3 | — |
| March | 27°C / 81°F | 16°C / 60°F | 43 mm | 6 | — |
| April | 25°C / 77°F | 13°C / 56°F | 52 mm | 5 | — |
| May | 21°C / 70°F | 11°C / 52°F | 97 mm | 9 | — |
| June | 18°C / 64°F | 9°C / 48°F | 195 mm | 12 | — |
| July | 17°C / 63°F | 8°C / 46°F | 129 mm | 10 | — |
| August | 18°C / 64°F | 8°C / 46°F | 106 mm | 11 | — |
| September | 19°C / 67°F | 9°C / 49°F | 77 mm | 9 | — |
| October | 23°C / 74°F | 12°C / 53°F | 44 mm | 7 | — |
| November | 25°C / 77°F | 13°C / 56°F | 42 mm | 6 | — |
| December | 28°C / 82°F | 15°C / 59°F | 34 mm | 5 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Stellenbosch in September →
Frequently asked questions
How hot is Stellenbosch in September?
In September, Stellenbosch averages a high of 19°C (67°F) and a low of 9°C (49°F) — generally mild and pleasant.
Does it rain a lot in Stellenbosch in September?
September sees occasional rain in Stellenbosch, with about 9 rainy days on average.
Is September a good time to visit Stellenbosch?
September is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Stellenbosch in September?
Pack light layers for warm days and cooler evenings. See the full September packing list for Stellenbosch for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.