Canberra weather in September
September in Canberra: cool, a little rain, with clean air — an excellent time to visit.
#8 of 12 months in Canberra · #300 of 604 destinations to visit in September · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Canberra climate normals — September
| Daytime high | 15°C / 60°F | 🙂 cool |
|---|---|---|
| Nighttime low | 5°C / 41°F | |
| Feels like (high) | 13°C / 55°F | |
| Rainfall | 58 mm / 2.3 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 75% | 💦 very humid |
| Dew point | 6°C / 42°F | |
| Sunshine | 9.5 h/day | |
| Daylight | 11.9 h | |
| Wind | 18 km/h / 11 mph | |
| Snowfall | 1.2 cm / 0.5 in | |
| Air quality (US AQI) | 26 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Canberra?
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Canberra in September — FAQ
- Is September a good time to visit Canberra?
- September in Canberra: cool, a little rain, with clean air — an excellent time to visit. It ranks #8 of 12 months for Canberra on SeasonMap's comfort score (80/100).
- What is the weather like in Canberra in September?
- In September, Canberra averages a daily high of 15.4°C and a low of 5°C, with about 57.9 mm of rain over roughly 8 rainy days.
- What is the air quality in Canberra in September?
- Canberra has a mean US Air Quality Index of about 26 in September.
- Does it snow in Canberra in September?
- Canberra sees roughly 1.2 cm of snowfall in September.