Australia in september: average Weather, Temperature and Climate, Where to go?
Weather in Australia in september 2025
In this section, you have access to the weather forecast for september for most popular cities in Australia. These forecasts are probabilities for the month of september from weather reports for over 10 years. The percentage indicates the possibility of having the weather mentioned.
Average weather in september in Sydney
perfect weather
Weather at 6am
58°F
Clear/Sunny
53% of time
24%
15%
6%
Weather at 12pm
70°F
Clear/Sunny
60% of time
17%
16%
5%
Weather at 6pm
63°F
Clear/Sunny
59% of time
22%
14%
4%
Weather at 3am
58°F
55%
20%
16%
7%
Where to go in Australia in september?
Where to go in Australia in september: destination map
Where to go in each region in september?
| New South Wales (Sydney, Canberra, Port Macquarie...) | 56°F to 72°F | 1 à 6 days | 63°F to 72°F | perfect weather* |
| Northern Territory (Darwin, Alice Springs, Uluru (Ayers Rock)...) | 81°F to 97°F | 1 à 3 days | 81°F to 83°F | perfect weather* |
| Queensland (Brisbane (Queensland), Cairns, Mackay...) | 72°F to 92°F | 0 à 7 days | 72°F to 79°F | perfect weather |
| South Australia (Adelaide, Kangaroo Island, Streaky Bay...) | 61°F to 81°F | 1 à 7 days | 59°F to 61°F | good weather* |
| Tasmania (Hobart, Devonport, Coles Bay...) | 54°F to 61°F | 3 à 13 days | 56°F to 58°F | tolerable weather |
| Victoria (Melbourne, Mildura, Warrnambool...) | 59°F to 70°F | 1 à 7 days | 58°F to 59°F | tolerable weather* |
| Western Australia (Perth, Esperance, Port Hedland...) | 63°F to 99°F | 0 à 7 days | 65°F to 79°F | good weather* |
Where should you go in Australia in september when it comes to the weather?
Remember:
The climate in Australia in september ranges from perfect to tolerable depending on the region and city.
With the gradual return of heat and the retreat of precipitation, the climate throughout September in Australia is clearly improving. Only the coastal cities on the island of Tasmania still suffer the consequences of high humidity.
Northern Australia in September
The heat is felt, especially at noon, for most of the localities in northern Australia. Fortunately, the lack of rain results in a comfortable atmosphere, especially as the sea breeze moderates the effect of heat.
Eastern Australia in September
The east coast will allow to enjoy a pleasant spring climate which translates into a gentle morning and a comfortable midday. Even if the rains are still present, they rarely affect the quality of the weather in Australia throughout September for this region.
Western Australia in September
Thanks to its geographical location, the commune of Dampier and its surroundings are endowed with a superb weather, thanks to a perfect combination of heat, humidity and beautiful sun. In the southwest, freshness is accompanied by heavy rains.
Southern Australia in September
The rise in heat results in a more mild weather condition such as in Adelaide or Melbourne. On the other hand, freshness still persists.
Central Australia in September
The localities in the center of the Australian territory are adorned with ideal climatic conditions.
Climate in Australia in september
Climate in Sydney in september
In the month of september, maximum temperature is 70°F and minimum temperature is 58°F (for an average temperature of 65°F). The climate comfortable in that area in september. With 2.5in over 3 days, rain may occur during your holidays. But this is rather reasonably and you will not be too bothered by it.
With good weather conditions, the month of september is a good time to go in that area.
| September | |||
| Average temperature | 65°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 58°F | ||
| Sea temperature | 66°F | ||
| Rainfall | 2.5in | ||
| Number of days with rainfall | 3 day(s) (10%) | ||
| Humidity | 75% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 27% | ||
| Length of day | 11:51 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Adelaide in september
In september, maximum temperature is 63°F and minimum temperature is 52°F (for an average temperature of 58°F). The climate is fairly fresh in that locality in this month, but it is tolerable when dressing cosy. With barely 2.6in over 4 days,
it rains very little during your vacations.
With a good weather, the month of september is a good time to go in this locality.
| September | |||
| Average temperature | 58°F | ||
| Highest temperature | 63°F | ||
| Lowest temperature | 52°F | ||
| Sea temperature | 59°F | ||
| Rainfall | 2.6in | ||
| Number of days with rainfall | 4 day(s) (14%) | ||
| Humidity | 79% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 34% | ||
| Length of day | 11:51 | ||
| Our opinion at whereandwhen.net | good |
Climate in Alice Springs in september
In the month of september, maximum temperature is 83°F and minimum temperature is 58°F (for an average temperature of 70°F). The climate quite comfortable in that area in september. does not rain (or really exceptionally) during this month. You will be well dry throughout your vacations!
With ideal weather conditions, september is an advisable month to go in Alice Springs.
| September | |||
| Average temperature | 70°F | ||
| Highest temperature | 83°F | ||
| Lowest temperature | 58°F | ||
| Rainfall | 0.7in | ||
| Number of days with rainfall | 1 day(s) (3%) | ||
| Humidity | 41% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 9% | ||
| Length of day | 11:57 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Brisbane (Queensland) in september
In september, maximum temperature is 76°F and minimum temperature is 63°F (for an average temperature of 70°F). The climate quite good here in this month. With 2.5in over 4 days, rain may occur during your vacations. But this is moderate and it is only of temporary showers.
With a good weather, september is an advisable month to go in this locality in Australia.
| September | |||
| Average temperature | 70°F | ||
| Highest temperature | 76°F | ||
| Lowest temperature | 63°F | ||
| Sea temperature | 72°F | ||
| Rainfall | 2.5in | ||
| Number of days with rainfall | 4 day(s) (12%) | ||
| Humidity | 75% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 24% | ||
| Length of day | 11:55 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Cairns in september
In september, maximum temperature is 81°F and minimum temperature is 70°F (for an average temperature of 76°F). The climate good in this city in the month of september. With just 1.1in over 1 days, the rain will not be a problem throughout your trip.
With a perfect weather, september is a recommended month to go in this locality in Australia.
| September | |||
| Average temperature | 76°F | ||
| Highest temperature | 81°F | ||
| Lowest temperature | 70°F | ||
| Sea temperature | 77°F | ||
| Rainfall | 1.1in | ||
| Number of days with rainfall | 1 day(s) (4%) | ||
| Humidity | 82% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 31% | ||
| Length of day | 12:00 | ||
| Our opinion at whereandwhen.net | perfect |
All cities in Australia in september
| Sydney in september | perfect weather |
| Adelaide in september | good weather |
| Alice Springs in september | perfect weather |
| Brisbane (Queensland) in september | perfect weather |
| Cairns in september | perfect weather |
| Canberra in september | tolerable weather |
| Darwin in september | perfect weather |
| Mackay in september | perfect weather |
| Melbourne in september | tolerable weather |
| Perth in september | good weather |
| Hobart (Tasmania) in september | tolerable weather |
| Uluru (Ayers Rock) in september | perfect weather |
| Esperance in september | good weather |
| Gold Coast in september | perfect weather |
| Fraser Island in september | perfect weather |
| Kangaroo Island in september | good weather |
| Mildura in september | good weather |
| Port Hedland in september | perfect weather |
| Port Macquarie in september | perfect weather |
| Streaky Bay in september | good weather |
| Warrnambool in september | good weather |
Weather data for Australia in september:
Weather data for Australia in september is derived from an average of the weather forecast since 2009 in Australia. There is a margin of error and these forecasts are to be considered as general information only. The weather in Australia can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Australia.