Monthly climate guide
Canberra weather in September
With highs near 16°C (60°F) and lows around 4°C (39°F), September feels mild in Canberra. Rainfall averages about 40 mm (fairly dry) and the sky is a mix of sun and cloud. Daytime highs are 4°C warmer than August and 4°C cooler than October.
What stands out in September
- It warms up quickly from here: by October highs are about 4°C higher.
- Expect a big gap between day and night — about 12°C.
- Just 250 km apart, but Canberra runs about 4°C cooler than Sydney this month.
- In Canberra, September is early spring — the seasons are reversed south of the equator.
Avg high
16°C
60°F
Avg low
4°C
39°F
Rainfall
40 mm
fairly dry
Humidity
72%
relative
Sky
46%
cloud · a mix of sun and cloud
Canberra weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 29°C / 84°F | 14°C / 57°F | 68 mm | 62% | 56% |
| February | 26°C / 79°F | 13°C / 55°F | 92 mm | 68% | 58% |
| March | 23°C / 73°F | 11°C / 52°F | 89 mm | 73% | 56% |
| April | 19°C / 66°F | 8°C / 47°F | 45 mm | 76% | 52% |
| May | 15°C / 58°F | 4°C / 39°F | 26 mm | 77% | 41% |
| June | 11°C / 52°F | 3°C / 37°F | 60 mm | 85% | 49% |
| July | 11°C / 51°F | 2°C / 35°F | 39 mm | 82% | 42% |
| August | 12°C / 53°F | 2°C / 35°F | 51 mm | 78% | 43% |
| September | 16°C / 60°F | 4°C / 39°F | 40 mm | 72% | 46% |
| October | 20°C / 68°F | 7°C / 44°F | 56 mm | 67% | 53% |
| November | 23°C / 74°F | 10°C / 49°F | 73 mm | 64% | 58% |
| December | 26°C / 79°F | 12°C / 53°F | 67 mm | 61% | 58% |
What to pack for September
- A warm sweater or fleece for layering
- A mid-weight jacket
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
Is September a good time to visit Canberra?
Compare the months in the chart above to find your ideal window.
Best time to visit Canberra →Other Australia cities in September
Cite or embed this data
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Canberra weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/australia/canberra/september
<a href="https://weathercompare.eu/weather/australia/canberra/september">Canberra weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/australia/canberra" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Canberra weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/australia/canberra/september">Canberra weather in September</a> – WeatherCompare</p>
Canberra in September: quick answers
Is September a good time to visit Canberra?
Yes. September is one of the best months for Canberra, with highs around 16°C and about 40 mm of rain.
How warm is Canberra in September?
Average highs are about 16°C (60°F) and average lows about 4°C (39°F), based on 10 years of daily data.
Does it rain a lot in Canberra in September?
Canberra typically gets around 40 mm of rain in September — fairly dry.
Figures are long-term averages for the area around Canberra (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.