Average temperatures, rainfall and packing tips for Sydney, Australia in September
🌡️ Avg high
22°C
🌙 Avg low
11°C
🌧️ Rainfall
~61 mm
📊 Warmth rank
#7 of 12
September in Sydney at a glance
September in Sydney is typically warm, with average daytime highs around 22°C and nights near 11°C. Temperature-wise it sits mid-range for Sydney (the 7th warmest month).
Expect some rain: around 61 mm falls in Sydney during September on average.
What to pack for Sydney in September
T-shirts and light layers
A light jacket or sweater for the evenings
A compact umbrella for occasional showers
Sydney - year at a glance
HighLow · September highlighted
Is September a good time to visit Sydney?
🧳 September is one of the most comfortable months to visit Sydney - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.
In September, Sydney averages a daytime high of about 22°C and a night-time low of around 11°C, based on recent historical data.
Does it rain in Sydney in September?
Expect some rain: around 61 mm falls in Sydney during September on average.
Is September a good time to visit Sydney?
September is one of the most comfortable months to visit Sydney - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.