Coonamia Weather Forecast

    • 5
    • 26

    Sunny

    • 8
    • 29

    Sunny

    • 16
    • 31

    Mostly sunny

    • 9
    • 21

    Partly cloudy

    • 6
    • 25

    Sunny

    • 8
    • 28

    Mostly sunny

    • 13
    • 32

    Mostly sunny

Today 18 Sep Mid North

Sunny. Light winds becoming northwesterly 15 to 20 km/h in the morning then becoming light in the late afternoon. Overnight temperatures falling to between 3 and 6 with daytime temperatures reaching the low to mid 20s.

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Coonamia Temperature Statistics View More

September Temperature

Whyalla Airport (51km)

  • Lowest 11 September, 2026

    3.4 °C

  • Average September

    14.5 °C

  • Highest 13 September, 2026

    28.9 °C

Climate (2021–2026)

Whyalla Airport (51km)

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  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.8 °C
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