Basin Beach Weather Forecast

    • 11
    • 17

    Partly cloudy

    • 11
    • 22

    Sunny

    • 15
    • 27

    Sunny

    • 16
    • 27

    Sunny

    • 18
    • 24

    Becoming cloudy

    • 15
    • 19

    Shower or two

    • 15
    • 21

    Shower or two

Today 17 Sep Sydney

Partly cloudy. Slight chance of a shower along the coastal fringe in the early morning. Near zero chance of rain elsewhere. Winds southwesterly 15 to 25 km/h turning south to southeasterly 15 to 20 km/h in the morning then becoming light in the late afternoon.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Southerly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds becoming variable about 10 knots in the evening.
Seas
2.5 to 3 metres, decreasing to 1 to 2 metres during the morning, then decreasing below 1 metre by early evening.
1st Swell
Southerly 2 to 3 metres.
Weather
Cloudy. 60% chance of showers in the morning.
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Basin Beach Temperature Statistics View More

September Temperature

Terrey Hills (8km)

  • Lowest 10 September, 2026

    8.1 °C

  • Average September

    16.1 °C

  • Highest 5 September, 2026

    30.8 °C

Climate (2021–2026)

Terrey Hills (8km)

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  • Average Low 2021–2026

    13.6 °C

  • Average 2021–2026

    17.1 °C

  • Average High 2021–2026

    22 °C
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