Semaphore Weather Forecast
- 12
- 17
Shower or two. Windy
- 10
- 17
Partly cloudy
- 9
- 18
Partly cloudy
- 7
- 18
Becoming cloudy
- 9
- 17
Partly cloudy
- 7
- 19
Sunny
- 9
- 21
Mostly sunny
Today 5 Sep Adelaide
Partly cloudy. Medium chance of showers. Damaging winds possible about the hills. Winds westerly 35 to 50 km/h decreasing to 15 to 20 km/h in the late evening.
Adelaide Metropolitan Waters
- Wind
- Westerly 20 to 25 knots, reaching up to 30 knots south of Brighton in the late afternoon. Winds turning southwesterly 10 to 15 knots in the evening.
- Seas
- 2 to 2.5 metres, decreasing to 1.5 metres later in the evening.
- 1st Swell
- West to southwesterly around 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A trough and cold front moved across SA early on Saturday and will continue to move away to the east overnight. A ridge of high pressure will follow and move over SA overnight and on Sunday. Another cold front will move across southern coasts early Monday but the ridge will persist further north. A trough over the interior of WA will be near stationary early to mid next week.
Semaphore Temperature Statistics View More
September Temperature
Parafield Airport (13km)
Lowest 2 September, 2026
9.9 °CAverage September
14.1 °CHighest 1 September, 2026
22 °C
Climate (2021–2026)
Parafield Airport (13km)
Average Low 2021–2026
11.3 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
23.6 °C