Australia weather in September 2025

Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Australia in September. Check more long-term weather averages for Australia in September before you book your next holiday to Australia in 2025/2026.

• 20
  20°C max day temperature
• 7
  7 hours of sunshine per day
• 10
  10 days with some rainfall
• 11
  11°C min night temperature
• 12
  12 hours of daylight per day
• 0
  No heat & humidity
• 62
  62 mm of monthly rainfall
• 5
  5 (Moderate) UV index
• 18
  18°C sea temperature

More about Australia

• 
  Overview
• 
  Best time to visit
• 
  Weather by month
• 
  5-day weather forecast
• 
  Destinations
• 
  Travel advice
• 
  Deals & discounts

Australia by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Australia

• Travelbag^*
• Titan Travel^*
• Love Holidays^*
• Saga Holidays^*

Travelbag: Latest holiday sale offers worldwide

Sale

• Explore latest sale offers on holidays in 2025/2026
• Filter deals by continent, star rating & holiday type
• Including Dubai, Caribbean, North America, Asia & Pacific

Go to Travelbag deal >>

View all Travelbag offers

The September weather guide for Australia (Sydney) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Australia destinations

Below are average maximum temperatures at popular countries, regions and places in Australia in September. Select a holiday destination to see more weather parameters.

• 27
  Cairns
• 26
  Uluru (Ayers Rock)
• 24
  Brisbane
• 20
  Perth
• 20
  Sydney
• 18
  Adelaide
• 16
  Melbourne
• 13
  Tasmania

Australia regions

• A.C.T.
• New South Wales
• Northern Territory
• Queensland
• South Australia
• Victoria
• Western Australia

All Australia regions

• A.C.T.
• New South Wales
• Northern Territory
• Queensland
• South Australia
• Tasmania
• Victoria
• Western Australia

All Australia destinations

• Adelaide, South Australia
• Airlie Beach, Queensland
• Albany, Western Australia
• Albury, New South Wales
• Alice Springs, Northern Territory
• Apollo Bay, Victoria
• Ballarat, Victoria
• Batemans Bay, New South Wales
• Bendigo, Victoria
• Birdsville, Queensland
• Bourke, New South Wales
• Brisbane, Queensland
• Broken Hill, New South Wales
• Broome, Western Australia
• Byron Bay, New South Wales
• Cairns, Queensland
• Canberra, A.C.T.
• Ceduna, South Australia
• Charleville, Queensland
• Clifton Hills, South Australia
• Cobar, New South Wales
• Coffs Harbour, New South Wales
• Coober Pedy, South Australia
• Cooma, New South Wales
• Currie, Tasmania
• Daly Waters, Northern Territory
• Darwin, Northern Territory
• Dubbo, New South Wales
• Esperance, Western Australia
• Eucla, Western Australia
• Exmouth, Western Australia
• Fraser Island, Queensland
• Geelong, Victoria
• Genoa, Victoria
• Geraldton, Western Australia
• Giles, Western Australia
• Gold Coast, Queensland
• Halls Creek, Western Australia
• Hamilton Island, Queensland
• Hay, New South Wales
• Hobart, Tasmania
• Jabiru, Northern Territory
• Kalgoorlie, Western Australia
• Karumba, Queensland
• Katherine, Northern Territory
• Katoomba, New South Wales
• Kununurra, Western Australia
• Lakes Entrance, Victoria
• Launceston, Tasmania
• Leigh Creek, South Australia
• Lizard Island, Queensland
• Lockhart River, Queensland
• Longreach, Queensland
• Lord Howe Island, New South Wales
• Margaret River, Western Australia
• Melbourne, Victoria
• Mildura, Victoria
• Monkey Mia, Western Australia
• Moree, New South Wales
• Mount Gambier, South Australia
• Mount Isa, Queensland
• Noosa, Queensland
• Omeo, Victoria
• Palm Cove, Queensland
• Paraburdoo, Western Australia
• Perth, Western Australia
• Port Augusta, South Australia
• Port Douglas, Queensland
• Port Fairy, Victoria
• Port Hedland, Western Australia
• Port Lincoln, South Australia
• Strahan, Tasmania
• Sunshine Coast, Queensland
• Swan Hill, Victoria
• Sydney, New South Wales
• Tamworth, New South Wales
• Tennant Creek, Northern Territory
• Thursday Island, Queensland
• Tibooburra, New South Wales
• Tidal River, Victoria
• Townsville, Queensland
• Uluru, Northern Territory
• Wagga Wagga, New South Wales
• Wangaratta, Victoria
• Weipa, Queensland
• Whitemark, Tasmania

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Australia

Australia September sunrise & sunset times

Browse the sunrise and sunset times for Australia in September 2025. Select a month to view Australia sunrise and sunset times for the next 12 months. The Australia sunrise and sunset times shown below are for Sydney.

JanFebMarAprMayJunJulAugSepOctNovDec

Related posts

Popular travel offers

Explore holidays in the sun for less

• Beach holidays
• Family holidays
• City breaks
• Summer holidays
• Winter sun holidays
• Holiday offers
• Top travel brands
• Airlines & flights
• Discount hotels
• Airport parking deals
• TUI
• Jet2holidays
• easyJet holidays
• Love Holidays
• Boxing Day sales

More holidays

Airport parking

• Manchester Airport
• Stansted Airport
• Bristol Airport
• Luton Airport
• Birmingham Airport
• Edinburgh Airport
• Gatwick Airport
• Glasgow Airport
• Newcastle Airport

More parking

Airport lounges

• Manchester Airport
• Birmingham Airport
• Bristol Airport
• Edinburgh Airport
• Glasgow Airport
• Heathrow Airport
• Newcastle Airport
• Stansted Airport
• Gatwick Airport

More lounges

Top ^