South Australia Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in South Australia, Australia in September.

Thinking about venturing to South Australia, Australia this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in South Australia in September

South Australia, Australia is a region in Australia. In September, South Australia experiences a range of weather conditions, with temperatures that range from mild to warm and precipitation levels ranging from low to moderate.

Temperatures

During the day temperatures vary from mild in Robe at 16°C (61°F) to warm in Coober Pedy at 27°C (81°F). At night it cools down to 11°C (52°F) in Coober Pedy and 11°C (52°F) in Robe.

For a closer look at conditions across South Australia, Australia, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Coober Pedy with an average of 11 mm (0.4 in) to moderate rainfall in Millicent with 87 mm (3.4 in).

Average sunshine

September brings good sunshine to many areas. Adelaide sees around 204 hours of sunlight, great for visitors looking for bright days.

Explore South Australia by month

Pick a month to see the average temperature, rainfall and sunshine in South Australia — and find the best time to visit. (based on Adelaide)

Best Places to Visit in South Australia in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across South Australia.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in South Australia

What is the weather like in September for some of the most popular destinations in South Australia, Australia?

Temperature range in South Australia (September)

Precipitation variation in South Australia (September)

Adelaide

In September Adelaide generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
16°C (61°F)
18°C (64°F)
20°C (68°F)
Min temperature
8°C (46°F)
9°C (48°F)
11°C (52°F)
Monthly sun hours
188 hours
204 hours
259 hours
Monthly rainfall
62 mm (2.4 in)
61 mm (2.4 in)
39 mm (1.5 in)
Monthly rainy days
9 days
8 days
9 days
Weather conditions

Victor Harbor

In September Victor Harbor generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
16°C (61°F)
18°C (64°F)
20°C (68°F)
Min temperature
9°C (48°F)
10°C (50°F)
11°C (52°F)
Monthly sun hours
188 hours
204 hours
259 hours
Monthly rainfall
56 mm (2.2 in)
54 mm (2.1 in)
38 mm (1.5 in)
Monthly rainy days
9 days
9 days
9 days
Weather conditions

Clare

In September Clare generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 7°C (45°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
16°C (61°F)
19°C (66°F)
23°C (73°F)
Min temperature
6°C (43°F)
7°C (45°F)
9°C (48°F)
Monthly rainfall
45 mm (1.8 in)
50 mm (2 in)
36 mm (1.4 in)
Monthly rainy days
9 days
8 days
9 days
Weather conditions

McLaren Vale

In September McLaren Vale generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
15°C (59°F)
17°C (63°F)
20°C (68°F)
Min temperature
8°C (46°F)
9°C (48°F)
10°C (50°F)
Monthly sun hours
188 hours
204 hours
259 hours
Monthly rainfall
77 mm (3 in)
67 mm (2.6 in)
41 mm (1.6 in)
Monthly rainy days
9 days
9 days
9 days
Weather conditions

Port Elliot

In September Port Elliot generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
16°C (61°F)
18°C (64°F)
20°C (68°F)
Min temperature
9°C (48°F)
9°C (48°F)
10°C (50°F)
Monthly sun hours
188 hours
204 hours
259 hours
Monthly rainfall
53 mm (2.1 in)
53 mm (2.1 in)
38 mm (1.5 in)
Monthly rainy days
9 days
8 days
9 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in South Australia, in Australia.

Popular cities in September

Day & night temperatures, rainfall and average weather in South Australia in September.

City Weather Day temp Night temp Rainfall
Adelaide 18°C (64°F) 9°C (48°F) 61 mm (2.4 in)
Victor Harbor 18°C (64°F) 10°C (50°F) 54 mm (2.1 in)
Clare 19°C (66°F) 7°C (45°F) 50 mm (2 in)
McLaren Vale 17°C (63°F) 9°C (48°F) 67 mm (2.6 in)
Port Elliot 18°C (64°F) 9°C (48°F) 53 mm (2.1 in)
Hahndorf 18°C (64°F) 7°C (45°F) 62 mm (2.4 in)

South Australia weather in September: frequently asked questions

What is the weather like in South Australia, Australia in September?

September in South Australia, Australia brings pleasant weather. In Adelaide, daytime temperatures are typically around 18°C (64°F) and nighttime lows hover near 9°C (48°F).

What is the average temperature in South Australia, Australia in September?

In Adelaide, the average daytime high in September is 18°C (64°F), while nighttime temperatures drop to around 9°C (48°F).

Does South Australia, Australia get a lot of rain in September?

September is on the drier side in South Australia, Australia. Adelaide averages only about 61 mm (2.4 in), with most days staying dry.

Is September a Good Time to Visit South Australia, Australia?

Given the typically pleasant weather conditions in Adelaide, September might be a good time to visit South Australia, Australia. However, the weather conditions may vary depending on your destination.

Generally speaking, January, February, March, April, October, November and December provide perfect weather in Adelaide. On the other hand, the weather in June, July and August tend to be tolerable.

Interested in more climate information?

We have much more information about the climate in South Australia.

Weather and climate has detailed information for every country in the world. Are you going to Australia? Get detailed historical weather averages for many cities in Australia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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