Ultimo Weather Forecast

    • 13
    • 23

    Sunny

    • 15
    • 31

    Windy. Partly cloudy

    • 14
    • 22

    Sunny

    • 12
    • 22

    Shower or two

    • 13
    • 19

    Partly cloudy

    • 12
    • 19

    Possible shower

    • 11
    • 19

    Cloud clearing

Today 4 Sep Sydney

Sunny. Winds west to southwesterly 15 to 25 km/h tending northwest to northeasterly 15 to 20 km/h in the middle of the day then becoming light in the evening.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Ultimo Temperature Statistics View More

September Temperature

Sydney (Observatory Hill) (2km)

  • Lowest 1 September, 2026

    10.6 °C

  • Average September

    20.4 °C

  • Highest 2 September, 2026

    27.8 °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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