Slovenia
Ljubljana in September
🍂 AutumnPleasant and often rainy.
🎒 Pack: compact umbrella or rain jacket
Why September scores 9.0What goes into the score
How it works- Weather comfort8.5
- ✓Comfortable temperatures (22°C highs / 12°C lows)
- ✓Comfortable humidity (dew point 11.4°C)
- !Wet: ~160 mm rain, ~6 heavy-rain days
- Air quality9.5
- ✓Good (within WHO guideline) (PM2.5 ~8 µg/m³)
- Seasonal hazards10.0
- ·No notable seasonal hazards
- Safety baseline8.5
- ·Normal precautions
| Sep | Jun | |
|---|---|---|
| Score | 9.0 Excellent | 9.2 Excellent |
| Season | 🍂 Autumn | ☀️ Summer |
| High / low | 22° / 12° | 26° / 14° |
| Rain | 160 mm | 125 mm |
| Humidity | dew pt 11° | dew pt 14° |
| PM2.5 | 8 µg/m³ | 8 µg/m³ |
Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Ljubljana weather-station normals. Rainfall: Ljubljana weather-station normals (national met service).
Holidays & crowdsSeptember 2027
No long holidaysNo long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.
No national public holidays in Slovenia this month.
National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).
Nature calendarBlossoms, leaves & seasons in Ljubljana
- Snowy daysTypical datesSnow likely Nov–Apr (most in Jan: ~15 days)
Average number of days with snowfall at Ljubljana.
Source: Ljubljana weather-station normals (national weather service, via Wikipedia climate table)
Explore LjubljanaEvents, sights, food & souvenirs
Check event dates locallySlovenia's compact, largely car-free capital on the Ljubljanica River, visited for its castle, riverside cafes and Plečnik architecture.
Ljubljana FestivalDate variesUsually late June to early September
Concerts, opera and dance through the summer.
Why go: Many open-air performances; book popular ones ahead.
Where: Congress Square and venues around the city
Coming up later
Ljubljana MarathonDate variesUsually late October
An annual marathon and shorter races through the city.
Why go: Central roads close on race day.
Where: City centre
Festive DecemberDate variesUsually late November to early January
Christmas lights and markets along the river.
Why go: The city is lively despite the cold.
Where: Old town and riverbanks
Ljubljana Castle
A hilltop castle reached on foot or by funicular, with views to the Alps.
Triple Bridge and Prešeren Square
The central square and Plečnik's three-part bridge.
Central Market
An open-air market along the river in Plečnik-designed colonnades.
💡 Open Kitchen (Odprta kuhna) food market runs on Fridays in the warmer months.
Dragon Bridge
A bridge guarded by four dragon statues, the city's symbol.
Tivoli Park
The city's largest park, close to the centre.
Metelkova
An alternative cultural centre in former army barracks, covered in street art.
Kranjska klobasa
Carniolan sausage, a protected Slovenian product.
💡 Stalls and restaurants
Štruklji
Rolled dumplings with fillings such as cottage cheese.
💡 Traditional gostilna restaurants
Potica
A rolled nut cake, especially popular at holidays.
💡 Bakeries
Prekmurska gibanica
A layered pastry of poppy seed, walnut, apple and cheese.
💡 Cafes and bakeries
Jota
A bean and sauerkraut stew.
💡 Traditional restaurants
Honey
Slovenian honey and beekeeping crafts.
💡 Central Market and shops
Pumpkin seed oil
Dark, nutty oil from eastern Slovenia.
💡 Food shops
Slovenian wine
Wines from the Vipava, Brda and Štajerska regions.
💡 Wine shops
Lace
Idrija bobbin lace.
💡 Craft shops
Airport transfer Kiwitaxi
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