Barrallier Island Weather Forecast

    • 9
    • 15

    Clear

    • 4
    • 16

    Mostly sunny

    • 5
    • 18

    Sunny

    • 8
    • 25

    Partly cloudy

    • 15
    • 24

    Partly cloudy

    • 11
    • 18

    Possible shower

    • 10
    • 20

    Partly cloudy

Today 21 Sep Mornington Peninsula

Clear. Winds southwesterly 15 to 25 km/h turning southerly 15 to 20 km/h in the evening.

Western Port Local Waters

Wind
Southwesterly 10 to 15 knots turning southerly below 10 knots in the evening.
Seas
Below 1 metre, increasing to around 1 metre west of Sandy Point.
Weather
Clear.
Weather Situation
A high pressure system in the Bight moves into the Tasman Sea during Tuesday, directing a warm east to northeasterly airstream over Victoria during the second half of the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Barrallier Island Temperature Statistics View More

September Temperature

Cerberus (15km)

  • Lowest 18 September, 2026

    2.4 °C

  • Average September

    13.3 °C

  • Highest 13 September, 2026

    25.6 °C

Climate (2021–2026)

Cerberus (15km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    14.6 °C

  • Average High 2021–2026

    19.7 °C
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