Month guide · Sydney · Australia
Sydney in September
What September is really like in Sydney: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Quick answer
September is one of the best months to visit Sydney. Expect average highs of 21°C (70°F), lows of 11°C (52°F), about 6 rainy days and roughly 11.9 hours of daylight. Spring brings warm, dry days, wildflowers and outdoor dining; the sea is still cold, but walks and harbour days are excellent.
Key facts
- Average high / low
- 21°C (70°F) / 11°C (52°F)
- Rainy days
- About 6
- Daylight
- About 11.9 hours
- Sea temperature
- 18°C (64°F)
- Crowds
- Moderate
- Hotel prices
- Average
Weather in September
September is the 8th-warmest month in Sydney: days average 21°C (70°F) against a yearly average high of 22°C (72°F), and nights fall to about 11°C (52°F). Rain falls on roughly 6 of its 30 days. Compared with August (18°C (64°F)), September is warmer; by October highs climb to around 23°C (73°F).
- Sunrise (15 September)
- About 05:54
- Sunset (15 September)
- About 17:46
- Daylight
- About 11.9 hours
- Sea
- 18°C (64°F)
Summer (December–February). Hot beach days, warm sea and long evenings, but also peak crowds and prices, school holidays, humidity and occasional heatwaves and storms.
Crowds and prices
On a 1–5 scale, September rates 3 for crowds (the peak is January at 5) and 3 for hotel prices (highest in January). Prices sit in the middle of the year's range.
Events in September
- Festival of the Winds — kite festival at Bondi Beach (usually September)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in September
Mild, settled days suit walking, viewpoints and time outdoors.

Garden · Circular Quay
Royal Botanic Garden and Mrs Macquarie's Chair
Follow the waterside path from the Opera House to Mrs Macquarie's Chair early or late in the day, when the light is softest on both landmarks.
- Time needed
- 1–2 hours
- Cost
- Free
- Free
- Outdoors
- Views
- Couples
- Nature
- Kids

Beach · Bondi
Bondi Beach
Sydney's best-known beach is a kilometre of sand between two sandstone headlands, watched over by the lifeguards made famous on television.
- Time needed
- Half a day
- Cost
- Free
- Iconic
- Free
- Outdoors
- Active
- Photo spot
Nature · Eastern Beaches
Bondi to Coogee coastal walk
Start at Bondi in the morning so the sun is behind you, and pack swimwear for a dip in the Bronte or Clovelly ocean pools.
- Time needed
- 2–3 hours
- Cost
- Free
- Free
- Outdoors
- Active
- Views
- Photo spot

Experience · Manly
Manly ferry and Manly Beach
The F1 ferry from Circular Quay to Manly crosses the harbour in about 30 minutes, passing the Opera House, Fort Denison and the harbour heads for the price of a normal public-transport fare.
- Time needed
- Half a day
- Cost
- Low cost
- Iconic
- Views
- Kids
- Outdoors
- Couples
What to pack
For highs near 21°C, lows near 11°C and 6 wet days: light layers for the day and a light jacket for the evening; comfortable walking shoes.
Is September a good time to visit Sydney?
One of the best months to visit Sydney, with a notable event on the calendar. The other best months are March–April and October–November. Compare every month.
Sydney in other months
Questions travellers ask
+Is September a good time to visit Sydney?
It is one of the best months to visit Sydney. Spring brings warm, dry days, wildflowers and outdoor dining; the sea is still cold, but walks and harbour days are excellent.
+How warm is Sydney in September?
Average highs are around 21°C (70°F) and lows around 11°C (52°F).
+Does it rain a lot in Sydney in September?
Expect rain on about 6 days of the month.