Hay Valley Weather Forecast

    • 14
    • 20

    Showers

    • 11
    • 17

    Possible shower

    • 8
    • 15

    Cloudy

    • 6
    • 13

    Cloudy

    • 4
    • 17

    Sunny

    • 7
    • 21

    Sunny

    • 10
    • 24

    Sunny

Today 13 Sep Mount Barker

Cloudy. Very high chance of showers, becoming less likely in the late afternoon and evening. The chance of a thunderstorm in the late morning and afternoon. Winds northwesterly 30 to 35 km/h tending westerly 25 to 35 km/h in the middle of the day then decreasing to 15 to 25 km/h in the late afternoon.

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Hay Valley Temperature Statistics View More

September Temperature

Mount Barker (8km)

  • Lowest 11 September, 2026

    3.1 °C

  • Average September

    12.2 °C

  • Highest 1 September, 2026

    20.7 °C

Climate (2021–2026)

Mount Barker (8km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    14 °C

  • Average High 2021–2026

    21.1 °C
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