ICAS26 Full REV

13 – 17 September 2026
ICC Sydney, Australia

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Discover Sydney

Exploring Sydney

Itineraries

4 days in Sydney
Beginning in the heart of the city, this four-day itinerary will guide you around Sydney to uncover secret beaches, culinary delights and spectacular vistas.
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7 days in Sydney
It might seem like a long time in one place, but a week in Sydney is a great amount of time and with this itinerary, you will not run out of things to do!
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Sydney with kids
Gather your crew and show the kids the best parts of Sydney. Take your pick from surfing lessons to zoo expeditions and ocean pool dips.
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25 free things to do in Sydney
This list includes everything from spending time out on the harbour and visiting some free museums to urban walks, parks and markets.
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Weather in Sydney

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Summer (December – February)

During summer, average temperatures range from 18.6 – 25.8°C (65.5 – 78.4°F), and average humidity spikes to 65%. This is a great time to enjoy Sydney’s abundant beaches when water temperatures rise to 21.9 – 23.7°C (71.4 – 74.7°F). 

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Autumn (March – May)

Autumn is the mildest time of year in Sydney when the humidity drops and average temperatures fall between 14.6 – 22.2°C (58.3 – 72°F). Crisp, fresh air makes autumn the season for enjoying Sydney’s coastal walks. Keep your eyes peeled for humpback whales, which migrate north from May to August. 

  

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Winter (June – August)

Sydney’s winter months are June to August when average temperatures drop between 8.8 – 17°C (47.8 – 62.6°F)Sydney’s rainfall is generally highest in June, with an average of 132 mm (5.2 inches), while July is the coolest month when average daytime temperatures reach about 17°C (62.6°F)

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Spring (September – November)

In spring, days are warmer but the humidity is not as high as summer. Average daily temperatures range from 11 – 23°C (51.8 – 73.4°F).

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