The mean minimum air temperature in September is forecast to be above the multiannual average, around 1.0°C above the multiannual average. In Belgrade and its wide vicinity, the mean September minimum temperature is forecast to be 14.3ºС.

The mean maximum air temperature in September is forecast to be above the multiannual average, around 1.7ºС above the multiannual average. In Belgrade and its wide vicinity, the mean September maximum temperature will be 24.3ºС. 

The mean precipitation sums in September are forecast to be within the multiannual average in most of Serbia, around 3 mm below the multiannual average, in Eastern and Southwestern Serbia below the multiannual average, from 5 to 10 mm below the multiannual average. In Belgrade and its wide vicinity, the mean September precipitation sums are forecast to be around 48 mm.