Weather · Ljubljana, Slovenia
Ljubljana Weather in September
September in Ljubljana averages 22°C by day and 11°C at night, with about 99mm of rain. That makes it one of the best months to visit.
Avg high
22°C
72°F
Avg low
11°C
52°F
Rainfall
99mm
#8 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Bring a compact umbrella for the odd shower.
Timing a trip around the weather? A Local Friend in Ljubljana builds it around the season for you.