Average temperatures, rainfall and packing tips for Johannesburg, South Africa in September
🌡️ Avg high
24°C
🌙 Avg low
10°C
🌧️ Rainfall
~27 mm
📊 Warmth rank
#7 of 12
September in Johannesburg at a glance
September in Johannesburg is typically warm, with average daytime highs around 24°C and nights near 10°C. Temperature-wise it sits mid-range for Johannesburg (the 7th warmest month).
Rainfall is light in September: roughly 27 mm across the whole month.
What to pack for Johannesburg in September
T-shirts and light layers
A light jacket or sweater for the evenings
An extra warm layer - nights get chilly
Johannesburg - year at a glance
HighLow · September highlighted
Is September a good time to visit Johannesburg?
🧳 September is one of the most comfortable months to visit Johannesburg - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.
In September, Johannesburg averages a daytime high of about 24°C and a night-time low of around 10°C, based on recent historical data.
Does it rain in Johannesburg in September?
Rainfall is light in September: roughly 27 mm across the whole month.
Is September a good time to visit Johannesburg?
September is one of the most comfortable months to visit Johannesburg - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.