Average Weather during September in Ljubljana (Osrednjeslovenska), Slovenia

The average minimum temperature (usually the minimum temperature is noted during the night) in Ljubljana in September is 10.0°C (50°F). The amount of rain in September is normal with an average of 34mm (1.3in). This month generally has very pleasant temperatures. The average maximum temperature lies around 23.0°C (73.4°F). If you enjoy looking at a blue sky and like sunbathing than this month is a good period to visit Ljubljana. It has 210 hours of sun.

So what to wear in September? For visitors traveling to Ljubljana we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Since climate change is one of the main problems the world faces these days we recommend to buy sustainable or second hand cloths. We made a deal with our partner praNa which means this month you get 70% off Outerwear + Free Shipping with code OUTERWEAR70.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in September look at the numbers below.

Monthly Averages

Show in Fahrenheit

Min Temperature 10 °C
Max Temperature 23 °C
Chance of Rain 20%
Precipitation 34mm
Rainy Days 6
Sunshine Hours 210

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Cycling
10/10
Walking
10/10
Barbeque
9/10
Camping
10/10
Outdoor sports
10/10

More Climate Information For Ljubljana

Weather and Climate offers all the information you need to know about the climate in Ljubljana.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Slovenia and climate and forecast data for all other countries in the world.