Launceston weather in September
September in Launceston: cool, a little rain, with clean air — a great time to visit.
#8 of 12 months in Launceston · #540 of 897 destinations to visit in September · comfort 79/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Launceston in September
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Launceston climate normals — September
| Daytime high | 15°C / 58°F | 🙂 cool |
|---|---|---|
| Nighttime low | 6°C / 42°F | |
| Rainfall | 66 mm / 2.6 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 7°C / 44°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 11.8 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 25 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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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 (79/100).
- What is the weather like in Launceston in September?
- In September, Launceston averages a daily high of 14.5°C and a low of 5.5°C, with about 66.3 mm of rain over roughly 8.8 rainy days.
- What is the air quality in Launceston in September?
- Launceston has a mean US Air Quality Index of about 25 in September.