Marchmont Weather Forecast

    • 8
    • 22

    Partly cloudy

    • 10
    • 26

    Mostly sunny

    • 11
    • 27

    Partly cloudy

    • 12
    • 28

    Mostly sunny

    • 10
    • 20

    Partly cloudy

    • 8
    • 21

    Mostly sunny

    • 7
    • 23

    Sunny

Today 23 Sep Southern Tablelands

Partly cloudy. Medium chance of showers in the east, most likely in the morning. Near zero chance of rain elsewhere. Winds easterly 20 to 30 km/h. Overnight temperatures falling to between 4 and 9 with daytime temperatures reaching between 16 and 22.

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Marchmont Temperature Statistics View More

September Temperature

Canberra Airport (52km)

  • Lowest 17 September, 2026

    -3.5 °C

  • Average September

    11.3 °C

  • Highest 19 September, 2026

    24.8 °C

Climate (2021–2026)

Canberra Airport (52km)

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  • Average Low 2021–2026

    6.8 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    21 °C
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