Alton Weather Forecast

    • 14
    • 32

    Partly cloudy

    • 13
    • 31

    Partly cloudy

    • 12
    • 30

    Sunny

    • 11
    • 30

    Sunny

    • 11
    • 33

    Sunny

    • 13
    • 31

    Partly cloudy

    • 12
    • 30

    Partly cloudy

Today 23 Sep Darling Downs and Granite Belt

Partly cloudy. Slight chance of a shower in the southeast in the afternoon and evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the afternoon and evening. Winds east to northeasterly 20 to 30 km/h. Overnight temperatures falling to between 10 and 14 with daytime temperatures reaching 26 to 32.

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Alton Temperature Statistics View More

September Temperature

St George Airport (71km)

  • Lowest 18 September, 2026

    6.6 °C

  • Average September

    20.1 °C

  • Highest 21 September, 2026

    34.8 °C

Climate (2021–2026)

St George Airport (71km)

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  • Average Low 2021–2026

    14.4 °C

  • Average 2021–2026

    20.9 °C

  • Average High 2021–2026

    28.4 °C
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