Thredbo in September
Planning a trip to Thredbo in September? Here's the honest weather briefing for what spring looks like on the ground.
Expect the mercury to hit around 6.8 degrees during the day and settle at -1.0 degrees after dark. The temperature stays pretty consistent through the day. You'll see your breath on those cold mornings, but the days warm up nicely.
At 6.8 degrees, September sits 4.7 degrees below the annual average of 11.5 degrees.
You're looking at 95mm of rain across 13 days in a typical September. Moderate, often falling in a few good dumps rather than constant drizzle.
Sunshine-wise, September delivers around 15.9 MJ/m2 of daily solar radiation. UV sits in the very high category. You'll want SPF 50+ and a decent hat.
September scores 1.0/10 on our Comfort Score. It's the tough end of the year weather-wise.
For your suitcase: warm layers including a coat, a rain jacket or compact umbrella, and SPF 50+ sunscreen and a hat.
Check the data table below for the full picture, or compare Thredbo in September with another destination.
September at a Glance
Temperature Range
Daily temperature range in September. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Winter clothing including a proper coat
- Extra layers for chilly nights
- Thermal undergarments for cold nights
- A waterproof jacket or compact umbrella
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How September in Thredbo stacks up against major cities around the world.
About 13 degrees cooler and considerably wetter.
About 19 degrees cooler and considerably drier.
About 20 degrees cooler and considerably drier.
How September Compares
Thredbo's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 18.4 | 9.3 | 165mm | 5.7 |
| Feb | 19.5 | 9.2 | 42mm | 7.7 |
| Mar | 17.6 | 7.5 | 38mm | 6.2 |
| Apr | 11.0 | 2.7 | 89mm | 1.0 |
| May | 8.1 | 0.7 | 87mm | 1.0 |
| Jun | 2.5 | -3.3 | 112mm | 1.0 |
| Jul | 2.1 | -4.1 | 123mm | 1.0 |
| Aug | 5.1 | -2.1 | 68mm | 1.0 |
| Sep | 6.8 | -1.0 | 95mm | 1.0 |
| Oct | 11.9 | 2.4 | 77mm | 1.1 |
| Nov | 16.3 | 6.3 | 182mm | 4.3 |
| Dec | 18.6 | 7.1 | 66mm | 6.8 |