Adelaide weather in September (South Australia, Australia)

How is the weather in Adelaide in September? Check out this comprehensive weather guide.

In September, Adelaide generally has moderate temperatures and moderate rainfall. Daytime temperatures hover around 18°C, while nights can cool down to about 9°C.

Adelaide in September usually receives moderate rainfall, averaging around 61 mm for the month. When we look at the climate data from the last 30 years, we can expect around 8 days of rain.

The days are predominantly sunny, with an estimated total of around 204 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

In case you lean more towards enjoying temperate temperatures and rain-free days January, February, March, April, October, November and December typically offer the most optimal weather. In contrast, June, July and August tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Adelaide climate page with graphs.

 

Adelaide, monthly averages in September

Min TemperatureMin Temperature 9°C  
Max TemperatureMax Temperature 18°C  
Water TemperatureWater Temperature 20°C  
Chance of RainChance of Rain 26%  
PrecipitationPrecipitation 61 mm  
Rainy daysRainy days 8 days  
HumidityHumidity 51%  
WindspeedWindspeed 18 km/h  
SunshineSunshine 204 hours  
Percentage SunshinePercentage Sunshine 61%  

Where to go in Australia in September

Find out more about the weather in Australia in September and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Adelaide in September?

For visitors traveling to Adelaide, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 20°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Cycling
6/10
Walking
6/10
Camping
4/10
Outdoor sports
10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Adelaide.

Our site offers climate and forecast data for every country in the world. Are you going to Australia? On this website you can find 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 climate conditions. Find out where to go with our weather planner.