O B Flat Weather Forecast
- 9
- 15
Showers easing
- 4
- 16
Partly cloudy
- 4
- 19
Partly cloudy
- 12
- 27
Partly cloudy
- 14
- 21
Showers
- 10
- 22
Showers
- 10
- 16
Shower or two
Today 26 Sep Mount Gambier
Cloudy. High chance of showers, most likely in the morning. Light winds becoming southerly 15 to 25 km/h in the morning then tending southeasterly 20 to 30 km/h in the middle of the day.
O B Flat Temperature Statistics View More
September Temperature
Mount Gambier Airport (14km)
Lowest 22 September, 2026
-0.3 °CAverage September
11.8 °CHighest 19 September, 2026
25.8 °C
Climate (2021–2026)
Mount Gambier Airport (14km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20.1 °C