Launceston weather in September
September in Launceston: cool, a little rain, with clean air — a great time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#8 of 12 months in Launceston · #798 of 1413 destinations to visit in September · comfort 77/100 (tier B)
- Days
- 16°C
- Nights
- 6°C
- Wet days
- 9
- Sun
- 9.2 h
- Humidity
- 81%
- Daylight
- 12 h

Traveller notes on Launceston in September
Notes from nearby Cradle Mountain (102 km away)
Launceston doesn't have its own notes for September yet — these are about Cradle Mountain, close enough to share the season.
Cradle Mountain-forum threads on September conditions are consistent this still counts as a genuine wildcard month, some of the heaviest recent accumulation on record falling in early September and briefly closing roads, while other years bring a comparatively mild, workable stretch by the same date. Overnight lows commonly dip below freezing at this elevation regardless of what the valley below is doing. Regulars describe a real chance of a fresh dusting on the higher tracks even later in the month, boardwalk sections around Dove Lake occasionally closed after a system moves through. Posters recommend checking current park alerts before any of the longer overnight routes. Regulars call proper waterproof and windproof layers non-negotiable regardless of how settled the forecast looks the day before. The record: 8.1C days feeling like 5C, 1.3C nights, an extraordinarily high 360mm across over 23 days, a notably high 15.9cm of fresh accumulation and 87 percent humidity.
Other months in Launceston
Forum posters describe July as Launceston's wettest month on average, though Tasmania's weather runs changeable enough that a lucky visit can still land plenty of sunny, clear days. Posters cite overnight temperatures commonly at or near freezing in July, with wind and rain especially pronounced around areas exposed to the mountains. Posters do note a real chance of snow at Cradle Mountain in July - a genuinely different, higher-elevation environment from Launceston itself, which stays well above true snow country. Posters also flag how short winter daylight runs here, with the sun up notably later and down much earlier than during Tasmania's long January evenings. Posters generally rate July as cold, wet and unpredictable for Launceston itself, workable with proper winter layers and realistic expectations, snow reserved for higher ground like Cradle Mountain rather than the city.
Forum posters describe January days in Launceston as warm enough for shorts and a t-shirt, cooling to jumper-and-trousers territory by evening - genuinely pleasant on a good day, though Tasmania's weather is repeatedly called a 'surprise' that can shift quickly regardless of season. Wind is a real factor: posters note the 'feels like' temperature can run more than 10 degrees below the official reading even in relatively mild Tasmanian cities, so a windproof and rainproof layer is standard advice alongside summer clothing. January/February is consistently named as Tasmania's prime travel season with the most reliably good weather of the year, though 'reliable' here still means packing for real day-to-day variation rather than assuming a stable forecast.
Add your own note from Launceston's card on the map.
Launceston climate normals — September
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Launceston in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusySpring break in Australia, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Launceston's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherLaunceston's weather peaks January–March, best around February.
Best weatherFair weatherToughest weather
What's on in Launceston in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Junction Arts Festival
17–20 SepFour days of work put into laneways, shopfronts and the riverbank rather than a venue, so the city itself is the programme. Free at the edges, ticketed in the middle. Source ↗
Nearby, and something's on
Within 300 km of Launceston — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Launceston?
Launceston in September — FAQ
- Is September a good time to visit Launceston?
- September in Launceston: cool, a little rain, with clean air — a great time to visit. It ranks #8 of 12 months for Launceston on SeasonMap's comfort score (77/100).
- What is the weather like in Launceston in September?
- In September, Launceston averages a daily high of 15.9°C and a low of 5.5°C, with about 61 mm of rain over roughly 9.3 rainy days.
- What is the air quality in Launceston in September?
- Launceston has a mean US Air Quality Index of about 25 in September.
Within 300 km: Hobart's Aurora australis around 1 Mar – 30 Sep, and Cradle Mountain's Shuttle bus into the park on 1 Jan – 31 Dec.