Sydenham Weather Forecast

    • 10
    • 23

    Sunny

    • 15
    • 28

    Sunny

    • 16
    • 27

    Sunny

    • 17
    • 26

    Possible late shower

    • 14
    • 19

    Shower or two

    • 14
    • 22

    Possible shower

    • 14
    • 24

    Partly cloudy

Today 18 Sep Sydney

Sunny. Light winds becoming northwest to northeasterly 15 to 20 km/h in the middle of the day then tending northwest to southwesterly in the evening.

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Sydenham Temperature Statistics View More

September Temperature

Sydney Airport (3km)

  • Lowest 17 September, 2026

    9.2 °C

  • Average September

    17.5 °C

  • Highest 5 September, 2026

    32.4 °C

Climate (2021–2026)

Sydney Airport (3km)

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  • Average Low 2021–2026

    15 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    23.5 °C
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