The Red Banks Weather Forecast
- 4
- 18
Cloudy
- 8
- 15
Cloudy
- 7
- 16
Partly cloudy
- 7
- 19
Sunny
- 9
- 21
Mostly sunny
- 12
- 23
Shower or two
- 10
- 21
Shower or two
Today 8 Sep Kangaroo Island
Cloudy. Slight chance of a shower later this evening. Winds southerly 20 to 30 km/h increasing to 25 to 35 km/h in the late evening.
Investigator Strait Coastal Waters
- Wind
- West to southwesterly about 10 knots tending southerly 15 to 20 knots in the late afternoon.
- Seas
- Below 0.5 metres, increasing to around 1 metre by early evening.
- 1st Swell
- West to southwesterly around 1 metre, increasing to 1 to 1.5 metres inshore.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system centred south of WA extends a ridge across the south of SA. The main high centre will move eastwards during the week to be centred to the east of SA on Friday. A trough over the interior of WA will remain stationary for most of the week and may extend into the far west of SA at times. Another low pressure trough will approach from the west on Saturday.
The Red Banks Temperature Statistics View More
September Temperature
Kingscote Airport (17km)
Lowest 2 September, 2026
5.6 °CAverage September
12.8 °CHighest 1 September, 2026
21.3 °C
Climate (2021–2026)
Kingscote Airport (17km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
14.8 °CAverage High 2021–2026
21.1 °C