Blue Mountains weather in September
Cool, with occasional showers. Average highs of 15°C and lows of 3°C, with around 8 rainy days expected throughout the month.
While September isn't our top-rated month for Blue Mountains, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
15°C
Average low
3°C
Rainy days
8 days
Best months to visit
Year-round
What to do in Blue Mountains in September
Whatever the weather, Blue Mountains rewards curious visitors. Here are some of the best ways to spend your time:
Hike to the Three Sisters viewpoint
Abseul down canyon walls
Ride the Scenic Railway
Walk Wentworth Falls trails
Visit artist villages like Leura
Explore limestone caves
What to pack for September
Layer up — a mid-weight jacket, jumpers, and comfortable trousers. Waterproof shoes are recommended. Scarves and gloves may be useful in the evenings.
Browse other months
January
24C
Mild and comfortable, with regular rainfall.
February
23C
Mild and comfortable, with some rainy days.
March
20C
Mild and comfortable, with regular rainfall.
April
17C
Cool, with occasional showers.
May
13C
Cool, with occasional showers.
June
10C
Cool, with occasional showers.
July
10C
Cool, with occasional showers.
August
11C
Cool, with occasional showers.
September (you are here)
15C
Cool, with occasional showers.
October
18C
Mild and comfortable, with some rainy days.
November
21C
Mild and comfortable, with some rainy days.
December
23C
Mild and comfortable, with some rainy days.
Book your September trip to Blue Mountains
Find hotels, tours and experiences for the perfect escape.
