September is one of the best months for liveaboard diving in Australia. Conditions are at their peak with great visibility, calm seas and prime marine life encounters.
What you might see
Year-round overview for Australia
Frequently asked questions
Is September a good month to dive in Australia?
September in Australia is rated as peak season. Water temperatures are around 24–26°C and conditions are usually suitable for liveaboard trips.
What can you see diving in Australia in September?
In September, divers in Australia typically encounter the marine life highlighted on this page, with seasonal aggregations depending on currents, plankton blooms and breeding cycles.
Should I book a Australia liveaboard for September or wait?
If you want this month's specific marine life and conditions, book early — peak departures fill up months ahead. If you are flexible, compare August and October which often share similar conditions.
Find a liveaboard for September
Compare available Australia liveaboards departing in September.
View liveaboards