Sunnyside Weather Forecast

    • 8
    • 19

    Cloudy

    • 10
    • 20

    Shower or two clearing

    • 7
    • 20

    Partly cloudy

    • 10
    • 15

    Possible shower

    • 7
    • 15

    Showers

    • 8
    • 16

    Showers

    • 11
    • 16

    Shower or two

Today 22 Sep South West

Partly cloudy. Slight chance of a shower near the south coast, near zero chance elsewhere. Light winds.

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Sunnyside Temperature Statistics View More

September Temperature

Manjimup (26km)

  • Lowest 7 September, 2026

    5.8 °C

  • Average September

    13.1 °C

  • Highest 17 September, 2026

    27.8 °C

Climate (2021–2026)

Manjimup (26km)

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  • Average Low 2021–2026

    10.3 °C

  • Average 2021–2026

    15 °C

  • Average High 2021–2026

    21.8 °C
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