Thornlie weather in September (Western Australia, Australia)

What should you pack for a trip to Thornlie in September? Thinking about a visit? Explore this page for a full overview of the weather conditions this month.

Temperatures

The weather in Thornlie during September is usually perfect, offering pleasant temperatures and moderate rainfall. Daytime temperatures hover around 20°C, while nights can cool down to about 10°C.

Precipitation

Thornlie in September usually receives moderate rainfall, averaging around 67 mm for the month. Records from the past 30 years suggest that around 11 days will experience rain.

Average sunshine

Expect sunny days throughout the month, with an estimated 230 hours of sunshine. Making it a pleasant time to visit Thornlie.

So this is a great month to visit if you prefer dry days with pleasant temperatures. January, February, March, April, May, September, October, November and December typically offer the most optimal weather. In contrast, July tends to have less optimal conditions.

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

 

Thornlie, monthly averages in September

Min Temperature 10°C  

Max Temperature 20°C  

Water Temperature 17°C *  

Chance of Rain 35%  

Precipitation 67 mm  

Rainy days 11 days  

Humidity 53% *  

Windspeed 22 km/h *  

Sunshine 230 hours *  

Percentage Sunshine *  

Data from: Perth, Australia (13 KM, 8 Miles).

Where to go in Australia in September

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

Weather conditions Weather

Temperatures

Precipitation

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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 this month?

For visitors traveling to Thornlie, 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.

Cycling

10/10

Walking

10/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Thornlie.

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 travel conditions. Find out where to go with our weather planner.