September · Australia
Best time to visit Blue Mountains in SeptemberWeather, crowds & prices
September score
9.1/10
Ranked #3 of 12 months
- Avg temp
- 11°C
- Rainfall
- 40 mm
- Humidity
- 66%
- Sunny days
- 19
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Blue Mountains scores 9.1/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 11°C, 40 mm of rain, and roughly 19 sunny days this month.
Blue Mountains rewards outdoor days in Australia most clearly through November through March in the Southern Hemisphere.
Frequently asked
- What is the weather like in Blue Mountains in September?
- In September, Blue Mountains averages 11°C, 40 mm of rain, and about 19 sunny days. Its climate-comfort score is 9.1/10.
- Is September a good time to visit Blue Mountains?
- September earns a 9.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Blue Mountains in September?
- Expect about 40 mm of rain in September. Average humidity is 66% and there are about 19 sunny days.
Curated in Blue Mountains
Tickets & experiences
Things to do in Blue Mountains
Blue Mountains, Australia. Live activities and tours from GetYourGuide, matched to this destination.