Grattai Mountain Weather Forecast

    • 7
    • 20

    Partly cloudy

    • 8
    • 20

    Sunny

    • 6
    • 20

    Cloudy

    • 8
    • 20

    Partly cloudy

    • 9
    • 21

    Partly cloudy

    • 9
    • 23

    Partly cloudy

    • 10
    • 24

    Sunny

Today 9 Sep North West Slopes and Plains

Partly cloudy. The chance of fog on the southern slopes in the early morning. Light winds becoming northwest to southwesterly 15 to 20 km/h in the morning then tending south to southwesterly 20 to 30 km/h in the early afternoon. Overnight temperatures falling to between 5 and 10 with daytime temperatures reaching 21 to 27.

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Grattai Mountain Temperature Statistics View More

September Temperature

Narrabri Airport (33km)

  • Lowest 1 September, 2026

    5.2 °C

  • Average September

    17.1 °C

  • Highest 5 September, 2026

    30.6 °C

Climate (2021–2026)

Narrabri Airport (33km)

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  • Average Low 2021–2026

    12.2 °C

  • Average 2021–2026

    19.2 °C

  • Average High 2021–2026

    26.8 °C
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