Coleraine Weather Forecast

    • 0
    • 16

    Morning frost. Sunny

    • 3
    • 21

    Sunny

    • 11
    • 24

    Partly cloudy

    • 14
    • 24

    Shower or two

    • 11
    • 17

    Possible shower

    • 9
    • 23

    Partly cloudy

    • 12
    • 27

    Partly cloudy

Today 22 Sep South West

Sunny. Areas of morning frost. Light winds becoming east to southeasterly 15 to 20 km/h in the morning then becoming light in the late afternoon. Daytime maximum temperatures around 16.

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Coleraine Temperature Statistics View More

September Temperature

Casterton (31km)

  • Lowest 8 September, 2026

    -1 °C

  • Average September

    11.3 °C

  • Highest 19 September, 2026

    24.8 °C

Climate (2021–2026)

Casterton (31km)

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  • Average Low 2021–2026

    8.5 °C

  • Average 2021–2026

    13.6 °C

  • Average High 2021–2026

    19.8 °C
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