Hillarys Weather in September

September in Hillarys averages 20°C (68°F) during the day and 12°C (54°F) at night. Quite a bit of rainfall is typical this month, with around 62 mm (2.4 in) on average. An umbrella is a good idea.

Rainfall in Hillarys in September

Rain is expected on roughly 10 days, totalling around 62 mm (2.4 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Hillarys in September

If you're visiting Hillarys in September, expect perfect temperatures with highs of 20°C (68°F) and overnight lows of 12°C (54°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Hillarys in September

The days are predominantly sunny, with an estimated total of around 230 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Hillarys in September

Wind speeds average 6 m/s (12 knots) during September. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in September

With water at 17°C (63°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. March, April, May, September, October, November and December typically offer the best weather for Hillarys.

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• January
• February
• March
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• May
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• October
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For a detailed overview over the year and the best time to visit Australia, check out our Hillarys's climate page.

Hillarys Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 20°C (68°F)  

Water Temperature 17°C (63°F) *  

Chance of Rain 33%  

Precipitation 62 mm (2.4 in)  

Rainy days 10 days  

Humidity 53% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 230 hours *  

Percentage Sunshine *  

* Data from: Perth, Australia (23 KM, 14 Miles).

What to Wear in Hillarys in September

For Hillarys in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. With water temperatures around 17°C (63°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Hillarys in September

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

Cycling

10/10

Walking

10/10

Barbeque

8/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Australia, check out our Hillarys's climate page.

More climate data for Hillarys

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Hillarys climate overview or explore weather in Australia.