Early spring · Weather & things to do
Cape Town in September
Little changes in Cape Town from August: highs stay near 62°F (17°C), lows near 56°F (14°C), and about 1.6 in (40 mm) of rain falls.
It scores 92/100 for comfort, 9th of 12, which makes it a solid shoulder-season month.
- Avg high
- 62°F (17°C)
- Avg low
- 56°F (14°C)
- Rain
- 1.6 in (40 mm)
- Humidity
- 79%
- Cloud cover
- 40%
- Daylight
- ~11 h 48 min
- Comfort score
- 92/100 · Great
What September feels like
Highs near 62°F (17°C) make for comfortable sightseeing weather.
Lows average 56°F (14°C).
Rain is moderate at about 1.6 in (40 mm) for the month.
It's breezy, with average winds near 11 mph (5.0 m/s) at ground level.
Plan around September
September is shoulder season: good weather, a step below the best months (April & May and October – January).
- Comfort improves from 85/100 in August to 92/100.
- Our Cape Town, Winelands & Garden Route recommends Oct – Apr, so September falls outside its suggested window.
What to pack for September
- A warm layer for eveningsnights drop to 56°F
- Windproof shellaverage wind 11 mph
- Comfortable walking shoesmost picks involve some walking
What to do in Cape Town in September
With conditions on your side, the picks below favor time outside.
Kirstenbosch National Botanical Garden
Gardens of native fynbos on the eastern slope of Table Mountain, with a canopy walkway called the Boomslang.
Why now September scores 92/100 for comfort, good conditions for being outside.
Table Mountain Aerial Cableway
Rotating cable car to the flat summit, with trails and views over the city, Robben Island and the Twelve Apostles.
Why now Highs near 62°F and 1.6 in of monthly rain make this an easy outdoor pick.
Kloof Street House
Victorian house turned restaurant with a garden terrace and a menu of steaks, seafood and cocktails.
Why now One to do outside while the weather is on your side.
Boulders Beach
Sheltered coves near Simon's Town home to a colony of African penguins, viewed from boardwalks.
Truth Coffee Roasting
Steampunk-styled roastery and cafe in the city center, serving house-roasted single origins.
Nearby in September
- Stellenbosch & Franschhoek in September~25 mi · highs 64°F, 2.4 in rain · 1°C (3°F) warmer by day, wetter
- Knysna & Plettenberg Bay in September~265 mi · highs 71°F, 1.7 in rain · 5°C (9°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Cape Town in September: quick answers
Is September a good time to visit Cape Town?
It's a good shoulder-season choice, scoring 92/100 against a best of 99 in April & May and October – January. Expect highs of 62°F (17°C) and 1.6 in (40 mm) of rain. Our Cape Town, Winelands & Garden Route recommends Oct – Apr, so September is outside its suggested window.
How cold is Cape Town in September?
Average highs are 62°F (17°C) and average lows 56°F (14°C), making it the 4th-coldest month by daytime highs.
Does it rain a lot in Cape Town in September?
Not much: about 1.6 in (40 mm) of rain falls across September on average, the 5th-wettest month of the year. The annual total is about 19.3 in (489 mm).
What should I pack for Cape Town in September?
Bring a warm layer for evenings (nights drop to 56°F), windproof shell (average wind 11 mph) and comfortable walking shoes (most picks involve some walking).
Planning Cape Town in September?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.