Ljubljana Weather in September

September in Ljubljana brings pleasant temperatures, with daytime highs of 21°C (70°F) and nights around 11°C (52°F). It's also the wettest month of the year, so an umbrella is a must.

Rainfall in Ljubljana in September

The month brings the most rain, so be prepared with an umbrella for the occasional shower. Past climate data indicates that roughly 13 days will see rain, totalling around 132 mm (5.2 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Ljubljana in September

September in Ljubljana brings pleasant temperatures, with highs of 21°C (70°F) and nights around 11°C (52°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Ljubljana in September

The month brings about 182 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Ljubljana in September

Wind speeds average 2 m/s (4 knots) during September. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August and September typically offer the best circumstances for Ljubljana.