Coleraine Weather Forecast

    • 0
    • 15

    Morning frost. Mostly sunny

    • 5
    • 13

    Cloudy

    • 4
    • 16

    Mostly sunny

    • 5
    • 18

    Partly cloudy

    • 8
    • 21

    Partly cloudy

    • 12
    • 21

    Shower or two

    • 12
    • 21

    Shower or two

Today 8 Sep South West

Mostly sunny. Areas of frost and the chance of fog this morning. Slight chance of a shower in the south this evening. Near zero chance of rain elsewhere. Light winds becoming westerly 15 to 20 km/h in the early afternoon then tending southwesterly 15 to 25 km/h in the evening. Daytime maximum temperatures around 15.

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Coleraine Temperature Statistics View More

September Temperature

Casterton (31km)

  • Lowest 1 September, 2026

    6.7 °C

  • Average September

    11.6 °C

  • Highest 1 September, 2026

    18.7 °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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