Weather in Slovenia in September

Average daily temperatures

It’s pretty mild at this time of year, but it’s a good idea to bring along a jumper or light jacket for the evenings. The average daily maximum is 20 C and the average daily minimum is 10 C.

Sunshine and rainfall

There is a 52% chance of a perfect sunny day and a 49% chance of seeing a mixture of sunshine and clouds with an average 65mm of rainfall this month.