Ultimo Weather Forecast

    • 13
    • 22

    Shower or two

    • 13
    • 19

    Possible morning shower

    • 10
    • 20

    Possible shower

    • 10
    • 19

    Partly cloudy

    • 10
    • 21

    Partly cloudy

    • 11
    • 21

    Sunny

    • 12
    • 25

    Mostly sunny

Today 7 Sep Sydney

Mostly sunny morning. Medium chance of showers, most likely in the late afternoon and evening. Light winds becoming southerly 20 to 30 km/h in the early afternoon.

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  • Temperature Forecast Bureau of Meteorology

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Ultimo Temperature Statistics View More

September Temperature

Sydney (Observatory Hill) (2km)

  • Lowest 1 September, 2026

    10.6 °C

  • Average September

    19.8 °C

  • Highest 5 September, 2026

    32.1 °C

Climate (2021–2026)

Sydney (Observatory Hill) (2km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    18.5 °C

  • Average High 2021–2026

    23.6 °C
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