Ultimo Weather Forecast

    • 13
    • 23

    Sunny

    • 13
    • 26

    Possible shower

    • 15
    • 24

    Sunny day. Late shower or two

    • 11
    • 17

    Shower or two. Becoming windy

    • 10
    • 19

    Shower or two

    • 9
    • 23

    Sunny

    • 11
    • 26

    Sunny

Today 13 Sep Sydney

Patchy fog in the early morning. The chance of smoke haze in the morning and later in the evening. Mostly sunny afternoon. Light winds becoming northeasterly 15 to 25 km/h in the middle of the day then becoming light in the late evening.

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Ultimo Temperature Statistics View More

September Temperature

Sydney (Observatory Hill) (2km)

  • Lowest 9 September, 2026

    9.8 °C

  • Average September

    17.3 °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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