Sydney weather in September (New South Wales, Australia)

Curious about the September weather in Sydney? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In Sydney, September is characterized by pleasant temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 20°C. But by evening, they drop to around 13°C.

Sydney in September usually receives moderate rainfall, averaging around 53 mm for the month. It's the month receiving the least amount of rain. As the days go by, you can expect fewer clouds and less precipitation. This makes it an ideal time for outdoor activities and events that might be disrupted by wetter conditions in other months. Typically around 10 days of rainfall is expected.

The city usually sees around 234 hours of sunlight, indicating many sunny days.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. January, March, April, May, September, October, November and December generally stand out with the best circumstances. While February, June, July and August tend to showcase less optimal conditions.

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

 

Sydney, monthly averages in September

Min TemperatureMin Temperature 13°C  
Max TemperatureMax Temperature 20°C  
Water TemperatureWater Temperature 17°C  
Chance of RainChance of Rain 33%  
PrecipitationPrecipitation 53 mm  
Rainy daysRainy days 10 days  
HumidityHumidity 50%  
WindspeedWindspeed 11 km/h  
SunshineSunshine 234 hours  
Percentage SunshinePercentage Sunshine 66%  

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 Sydney in September?

For visitors traveling to Sydney, 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 17°C there is no need to bring your swimwear.

What To Do

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

Cycling
10/10
Walking
10/10
Barbeque
9/10
Camping
8/10
Outdoor sports
10/10

Interested in more climate information?

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

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.