Moonta Bay Weather Forecast
- 6
- 23
Sunny
- 8
- 26
Sunny
- 13
- 25
Mostly sunny
- 9
- 18
Partly cloudy
- 5
- 21
Sunny
- 7
- 24
Partly cloudy
- 11
- 27
Partly cloudy
Today 18 Sep Yorke Peninsula
Sunny. Winds north to northwesterly 20 to 30 km/h becoming light in the evening. Overnight temperatures falling to around 6 with daytime temperatures reaching the low to mid 20s.
Spencer Gulf Coastal Waters
- Wind
- North to northeasterly about 10 knots increasing to 10 to 15 knots in the early morning then becoming variable about 10 knots in the evening.
- 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
- Sunny.
Moonta Bay Temperature Statistics View More
September Temperature
Kadina Airport (13km)
Lowest 17 September, 2026
0.9 °CAverage September
12.2 °CHighest 12 September, 2026
25 °C
Climate (2021–2026)
Kadina Airport (13km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
16.4 °CAverage High 2021–2026
23.5 °C