September in Sydney means the arrival of spring. This is the perfect time of year for relaxed sightseeing and exploring the great outdoors. Here’s everything you should know about Sydney weather in September and must-do activities.
September in Sydney is typically a warm, sunny, and dry month, with less humidity than the summer. The pleasant spring weather is perfect for all the outdoor activities the city has to offer.
For a detailed breakdown of seasons in Australia, read our Guide to the Best Time to Visit Australia.
The average daytime temperature in September in Sydney is 16 °C (60.8 °F), while the mercury can reach 21 °C (69.8 °F) on the warmest days.
The seawater temperature in Sydney ranges between 15.8 °C (60.4 °F) and 22.2 °C (71.9 °F) in September. The beach-going season starts at the end of the month, making this the ideal time to explore Sydney’s best beaches.
In September, Sydney gets around 8 hours of sunshine per day, which corresponds to 243 hours for the whole month. You can expect 12 sunny and 7 cloudy days at this time of the year.
The day length is around 12 hours, with the sun rising between 5:34 am and 6:14 am and setting between 5:36 pm and 5:56 pm on the last day of the month.
The average daily maximum UV index in September in Sydney is 5, which means there’s a moderate threat to health from unsafe exposure to the sun. Sun protection, including sunscreen, hats, and sunglasses, is highly recommended.
September is the driest month of the year in Sydney, with around 64 mm (0.08 in) of precipitation and a relative humidity of 51%. You can expect a total of 6 rainy days if you visit this month.
September is a popular time for festivals, concerts, and other outdoor events in Sydney. Here’s our pick of activities guaranteed to make your trip a fun one.
The Blue Mountains, just over an hour from Sydney, offer everything from relaxed bushwalking to mountain bike rides and abseiling tours for the more adventurous visitors. Don’t miss breathtaking views of Jamison Valley and the Three Sisters sandstone formation, best seen from Echo Point lookout.
Sydney Fringe Festival is the largest independent arts festival in New South Wales. This popular annual event features visual art exhibitions, music performances, cabaret shows, and film premieres at more than 150 venues across the city.
Each year in September, Parklands Food Fest brings together celebrity chefs and food lovers for a day of cooking and gardening demonstrations, live music, and fun activities for the entire family. The festival is held at the beautiful Lizard Log Amphitheatre at Western Sydney Parklands.
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