Cottesloe Weather in September

Thinking of visiting Cottesloe in September? Expect pleasant temperatures reaching 20°C (68°F) during the day, dropping to 12°C (54°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Cottesloe in September

Analyzing past climate data, one can expect approximately 10 days of rain, averaging 63 mm (2.5 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Cottesloe in September

September is one of the better months to visit Cottesloe. Expect 20°C (68°F) during the day and 12°C (54°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Cottesloe in September

With approximately 230 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in Cottesloe in September

Average wind conditions reach 6 m/s (12 knots) in September. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.

Average water temperature in September

At 17°C (63°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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 Cottesloe's climate page.

Cottesloe Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 20°C (68°F)  

Water Temperature 17°C (63°F) *  

Chance of Rain 34%  

Precipitation 63 mm (2.5 in)  

Rainy days 10 days  

Humidity 53% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 230 hours *  

Percentage Sunshine *  

* Data from: Perth, Australia (18 KM, 11 Miles).

What to Wear in Cottesloe in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Expect water temperatures of around 17°C (63°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Cottesloe in September

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

Cycling

10/10

Walking

10/10

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 Cottesloe's climate page.

More climate data for Cottesloe

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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