Cudmirrah Beach Weather Forecast

    • 11
    • 22

    Mostly clear

    • 13
    • 29

    Possible shower. Windy

    • 13
    • 22

    Sunny

    • 11
    • 19

    Shower or two

    • 10
    • 19

    Mostly sunny

    • 11
    • 18

    Possible shower

    • 9
    • 17

    Partly cloudy

Today 4 Sep Illawarra

Clear. Winds west to northwesterly 20 to 30 km/h decreasing to 15 to 20 km/h in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
North to northeasterly 10 to 15 knots turning northwesterly in the evening.
Seas
Below 1 metre.
1st Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
Weather
Clear.
Weather Situation
North to northwesterly winds over Coastal Waters ahead of a vigorous cold front crossing the waters late Saturday into Sunday. Winds turning westerly in behind the front before tending southwesterly to southerly as a high pressure ridge begins to form over the NSW coast. The ridge will persist into the new week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cudmirrah Beach Temperature Statistics View More

September Temperature

Ulladulla (21km)

  • Lowest 1 September, 2026

    9.9 °C

  • Average September

    20.1 °C

  • Highest 2 September, 2026

    27.3 °C

Climate (2021–2026)

Ulladulla (21km)

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  • Average Low 2021–2026

    13.8 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    20.9 °C
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