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Australia weather in September 2025
Expect daytime maximum temperatures of 20°C in Australia in September based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 62 mm of rainfall in the month.
- 20°C max day temperature
20 - 7 hours of sunshine per day
- 10 days with some rainfall
10 - 11°C min night temperature
11 - 12 hours of daylight per day
12 - No heat & humidity
0 - 62 mm of monthly rainfall
62 - 5 (Moderate) UV index
5 - 18°C sea temperature
18
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Recommended for Australia
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.
Australia regions
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)
More about Australia
How hot is it in Australia in September?
Daytime temperatures usually reach 20°C in Sydney, Australia in September, falling to 11°C at night.
How sunny is it in Australia in September?
There are normally 7 hours of bright sunshine each day in Sydney, Australia in September - that's 62% of daylight hours.
How warm is the sea around Australia in September?
The average sea temperature around Sydney, Australia in September is 18°C.
Does it rain in Australia in September?
There are usually 10 days with some rain in Sydney, Australia in September and the average monthly rainfall is 62mm.
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
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 06:14 | 17:37 |
| Monday, 15th September 2025 | 05:55 | 17:47 |
| Tuesday, 30th September 2025 | 05:34 | 17:57 |
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