Sydney Weather in September

September in Sydney sees daytime temperatures around 20°C (68°F) and lows of 13°C (55°F) at night. As the driest month of the year, combined with excellent weather, it's a great time to visit.

Rainfall in Sydney in September

With the lowest rainfall figures of the year, conditions are ideal for exploring the outdoors. Typically around 10 days of rainfall are expected, averaging 53 mm (2.1 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Sydney in September

The excellent temperature in Sydney in September makes it a solid month to visit, with 20°C (68°F) during the day and 13°C (55°F) at night. Conditions are often most pleasant around the middle of the day. At 13°C (55°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 Sydney in September

Expect sunny days throughout the month, with an estimated 234 hours of sunshine. This makes it a pleasant time to visit Sydney.

Wind Speed in Sydney in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

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.

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