Brennen Jetty Weather Forecast
- 10
- 22
Partly cloudy
- 13
- 19
Showers easing
- 10
- 19
Possible shower
- 10
- 16
Cloudy
- 9
- 15
Cloudy
- 8
- 18
Sunny
- 9
- 23
Sunny
Today 12 Sep Port Lincoln
Partly cloudy. Winds northerly 15 to 20 km/h.
Spencer Gulf Coastal Waters
- Wind
- North to northeasterly 10 to 15 knots, reaching up to 20 knots near the Yorke Peninsula coast.
- Seas
- Below 1 metre.
- 1st Swell
- South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
- Weather
- Mostly clear.
- Weather Situation
- A trough is approaching from the west and will move across SA on Sunday, as an upper level disturbance moves over the far west later on Sunday. A high pressure ridge will also extend into the state from a high located southwest of WA from late Sunday. A cold front will then slip across southern coasts late Monday and early Tuesday, before the high moves across waters to the south to be centred over Victoria by Thursday.
Brennen Jetty Temperature Statistics View More
September Temperature
Port Lincoln Airport (13km)
Lowest 11 September, 2026
5.6 °CAverage September
13.4 °CHighest 4 September, 2026
25.1 °C
Climate (2021–2026)
Port Lincoln Airport (13km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C