Early spring · Weather & things to do
Sydney in September
Sydney sees its driest month, with just 1.7 in (43 mm) of rain, highs of 67°F (19°C) and lows of 56°F (13°C).
At 94/100 for comfort (the top score of the year), it's one of the best months to visit.

- Avg high
- 67°F (19°C)
- Avg low
- 56°F (13°C)
- Rain
- 1.7 in (43 mm)
- Humidity
- 68%
- Cloud cover
- 47%
- Daylight
- ~11 h 48 min
- Comfort score
- 94/100 · Great
What September feels like
Days are mild at around 67°F (19°C): comfortable for walking all day, with a layer for the evening.
Nights cool to an average low of 56°F (13°C).
About 1.7 in (43 mm) of rain falls in a typical year's September.
Plan around September
September is one of Sydney's best months on the climate data.
- Comfort improves from 91/100 in August to 94/100.
- September sits inside the May – Oct window our Sydney, Blue Mountains & the Reef route recommends.
What to pack for September
- A warm layer for eveningsnights drop to 56°F
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Sydney in September
With conditions on your side, the picks below favor time outside.
Royal Botanic Garden Sydney
Harbourside gardens leading to Mrs Macquarie's Chair and its Opera House view.
Why now September scores 94/100 for comfort, good conditions for being outside.
Bondi to Coogee Coastal Walk
6 km clifftop path past ocean pools, Tamarama and Bronte beaches and Waverley Cemetery.
Why now Highs near 67°F and 1.7 in of monthly rain make this an easy outdoor pick.
Manly Ferry
30-minute public ferry across the harbour from Circular Quay to Manly's surf beach.
Why now One to do outside while the weather is on your side.
BridgeClimb Sydney
Guided climb over the arches of the Sydney Harbour Bridge, 134 m above the water.
Sydney Opera House
Jørn Utzon's sail-roofed performing arts center, with daily tours and a full program of shows.
Nearby in September
- Blue Mountains in September~53 mi · highs 59°F, 1.6 in rain · 4°C (8°F) cooler 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.
Sydney in September: quick answers
Is September a good time to visit Sydney?
Yes. On the climate data it's one of the best months, scoring 94/100. Expect highs of 67°F (19°C) and 1.7 in (43 mm) of rain. September is inside the May – Oct window our Sydney, Blue Mountains & the Reef route recommends.
How hot is Sydney in September?
Average highs are 67°F (19°C) and average lows 56°F (13°C), making it the 4th-coldest month by daytime highs.
Does it rain a lot in Sydney in September?
Not much: about 1.7 in (43 mm) of rain falls across September on average, the driest month of the year. The annual total is about 35.0 in (888 mm).
What should I pack for Sydney in September?
Bring a warm layer for evenings (nights drop to 56°F) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Routes in season in September
- Sydney, Blue Mountains & the Reef May – Oct
Planning Sydney in September?
Share this September plan with your group, poll everyone on dates and keep the packing list in one place.





