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Thredbo Weather in September
In Thredbo, September brings moderate daytime temperatures around 13°C (55°F), with nights cooling to 1°C (34°F). Expect quite a bit of rainfall this month.
Rainfall in Thredbo in September
Rain is expected on roughly 15 days, totalling around 106 mm (4.2 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Thredbo in September
September in Thredbo sees highs of 13°C (55°F) and lows of 1°C (34°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Thredbo. Our weather planner can help you explore destinations with more pleasant weather conditions.
Thredbo Temperature in September
Min Temperature
1°C (34°F)
Max Temperature
13°C (55°F)
Chance of Rain
49%
Precipitation
106 mm (4.2 in)
Rainy days
15 days
Thredbo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Thredbo - and find the best time to visit.
Daily Historical Temperatures
42-year average (1976-2025)
Based on our historical records, temperatures in Thredbo typically stay consistent throughout September, with daily highs averaging around 13°C (55°F). Nights are cold, with lows typically ranging from -1°C (30°F) to 2°C (36°F).
Average temperatures in September
Daily Historical Precipitation
42-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Thredbo in September
Browse day-by-day weather records for Thredbo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Thredbo historical weather extremes in September
According to our 36 years of weather records for Thredbo, the following extremes were recorded between 1990 and 2026.
- The hottest September day on record in Thredbo reached 21°C (70°F) (September 30, 1993).
- Thredbo registered its coldest September night on September 13, 2013, with temperatures dropping to -11°C (12°F).
Best Places in Australia in September
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Thredbo in September
Pack for changing conditions in Thredbo in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Thredbo in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling5/10 -
Walking5/10 -
Barbeque4/10 -
Camping3/10 -
Outdoor sports5/10
Thredbo 3-Day Forecast
More climate data for Thredbo
See the full Thredbo climate overview or explore weather in Australia.
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