Harrismith Weather Forecast

    • 10
    • 18

    Shower

    • 8
    • 14

    Shower

    • 9
    • 21

    Shower

    • 9
    • 20

    Shower

    • 8
    • 20

    Cloudy

    • 8
    • 19

    Shower

    • 6
    • 17

    Cloudy

Today 25 Sep Great Southern

Cloudy. Medium chance of showers. Winds southeasterly 25 to 40 km/h. Overnight temperatures falling to around 10 with daytime temperatures reaching between 15 and 21.

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  • Temperature Forecast Bureau of Meteorology

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Harrismith Temperature Statistics View More

September Temperature

Lake Grace (59km)

  • Lowest 5 September, 2026

    3.5 °C

  • Average September

    14.7 °C

  • Highest 17 September, 2026

    31.8 °C

Climate (2021–2026)

Lake Grace (59km)

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  • Average Low 2021–2026

    10.4 °C

  • Average 2021–2026

    16.5 °C

  • Average High 2021–2026

    24 °C
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