Glenelg South Weather Forecast
- 17
- 22
Mostly sunny
- 10
- 17
Partly cloudy
- 8
- 19
Sunny
- 11
- 23
Sunny
- 17
- 27
Partly cloudy
- 16
- 27
Partly cloudy
- 16
- 26
Mostly sunny
Today 20 Sep Adelaide
Mostly sunny day. Medium chance of showers this evening. Winds north to northwesterly 25 to 40 km/h turning west to southwesterly 25 to 35 km/h in the early afternoon.
Adelaide Metropolitan Waters
- Wind
- North to northwesterly 15 to 20 knots, reaching up to 25 knots south of Port Noarlunga during the morning. Winds turning west to southwesterly in the early afternoon.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- West to southwesterly below 0.5 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A cold front will cross the west of the state this morning and will track across the east of the state during the day. Another high pressure system will move eastwards across waters to the south during Monday then over Victoria and the Tasman Sea on Tuesday. This high will extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday.
Glenelg South Temperature Statistics View More
September Temperature
Noarlunga (18km)
Lowest 17 September, 2026
5.4 °CAverage September
14.1 °CHighest 12 September, 2026
23.8 °C
Climate (2021–2026)
Noarlunga (18km)
Average Low 2021–2026
12.8 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
21.9 °C