Weather in Johannesburg in September
Johannesburg, South Africa averages a high of 23.6°C (74.5°F) and low of 8.9°C (48°F) in September, with 3 rain days and 11.2 hours of daily sunshine. Travel score: 89.4/100 (Excellent). The best time to visit Johannesburg is September.
High
24°C74°F
Low
9°C48°F
🌧️
3
rain days
☀️
11.2
hrs/day sunshine
💧
42%
humidity
89— Excellent
September in Johannesburg is warm and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Johannesburg?
How much does it rain in Johannesburg in September?
Johannesburg receives an average of 20mm of rainfall across 3 rainy days in September. The annual total is 699.3mm.
What should I pack for Johannesburg in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 24°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 15°C from day to night
🎉Visiting South Africa in September?
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Data based on 1994–2024 averages · Last updated: 2024-12-31