Grattai Mountain Weather Forecast

    • 7
    • 20

    Sunny

    • 3
    • 20

    Sunny

    • 6
    • 22

    Sunny

    • 9
    • 25

    Sunny

    • 9
    • 27

    Sunny

    • 11
    • 28

    Sunny

    • 13
    • 28

    Sunny

Today 16 Sep North West Slopes and Plains

Sunny. Winds southerly 20 to 30 km/h turning southeasterly in the evening. Overnight temperatures falling to between 6 and 10 with daytime temperatures reaching between 19 and 26.

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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grattai Mountain Temperature Statistics View More

September Temperature

Narrabri Airport (33km)

  • Lowest 9 September, 2026

    4.7 °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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