Sydney · September
Run in the morning.
Cool month: average high 68°F, low 51°F. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
68° / 51°F
Humidity
68%
Rain days
11/mo
Wind
13 mph
What September feels like in Sydney
Sunrise
05:54
Mid-month average
Sunset
17:46
Mid-month average
Time-of-day breakdown
Morning
Steady cool air, low wind, and good light. The standard runner window in most months.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Sydney in September
The kit for September in Sydney: shorts and a short-sleeve are the standard kit.
September vs the surrounding months
vs August
+4° avg high
0 rain days
Sydney in August →
September
68°F avg high
11 rain days
Best: morning
vs October
-4° avg high
-4 rain days
Sydney in October →
Frequently Asked Questions
What is the best time of day to run in Sydney in September?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Sydney in September?+
Average high 68°F, average low 51°F.
How does September compare to surrounding months in Sydney?+
Compared to August (avg high 64°F), September is warmer. Compared to October (avg high 72°F), September is cooler.
Does it rain often in Sydney in September?+
Expect about 11 measurable rain days in September, on average.