O B Flat Weather Forecast
- 9
- 15
Shower or two
- 8
- 15
Morning shower or two
- 2
- 15
Partly cloudy
- 7
- 15
Partly cloudy
- 3
- 16
Partly cloudy
- 3
- 19
Mostly sunny
- 7
- 21
Partly cloudy
Today 6 Sep Mount Gambier
Cloudy. Medium chance of showers, most likely later tonight. Light winds becoming westerly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon.
O B Flat Temperature Statistics View More
September Temperature
Mount Gambier Airport (14km)
Lowest 1 September, 2026
6.9 °CAverage September
12.3 °CHighest 1 September, 2026
18.3 °C
Climate (2021–2026)
Mount Gambier Airport (14km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20 °C