Ljubljana in Fall
In fall (September, October and November), Ljubljana sees average daytime highs around 15°C and overnight lows near 7°C, with 363 mm of precipitation over about 33 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs ease from about 22°C in early September to 6°C by late November. The sky is clear or mostly clear about 23% of the time across fall, and the air most often feels dry.
Fall is Ljubljana's 3rd-best season to visit on our travel score. For the whole year in context, see Ljubljana's year-round climate.
- Avg daytime high
- 15°C
- 3rd-warmest season
- Avg overnight low
- 7°C
- Precipitation
- 363 mm
- 33 wet days
- Avg wind
- 7 km/h
- Travel score
- 4.1
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Ljubljana in Fall
Over the season highs ease from about 22°C in early September to 6°C by late November.
A typical fall day in Ljubljana reaches about 15°C and drops to 7°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Ljubljana
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 10 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Ljubljana weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 4° / -2° | 59 | 8 | 4.9 | 8.9 | 0.0 |
| Feb | 6° / -2° | 74 | 8.4 | 5.1 | 10 | 0.4 |
| Mar | 10° / 1° | 76 | 10.1 | 3.3 | 11.6 | 2.5 |
| Apr | 15° / 5° | 90 | 12 | 1 | 13.3 | 4.2 |
| May | 19° / 10° | 103 | 13.5 | 0 | 14.7 | 5.7 |
| Jun | 23° / 13° | 105 | 13.4 | 0 | 15.5 | 6.4 |
| Jul | 25° / 15° | 95 | 11.4 | 0 | 15.2 | 6.8 |
| Aug | 25° / 15° | 112 | 11.1 | 0 | 14 | 6.8 |
| Sep | 20° / 11° | 125 | 11.1 | 0 | 12.3 | 6.1 |
| Oct | 15° / 7° | 117 | 10.2 | 0.5 | 10.7 | 4.4 |
| Nov | 9° / 3° | 121 | 11.2 | 2.3 | 9.2 | 1.7 |
| Dec | 4° / -1° | 90 | 9.2 | 5 | 8.5 | 0.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 23% of the time across fall.
Chance of precipitation in Fall
Ljubljana gets around 363 mm of rain and snow over 33 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 7 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 h 06 min in early September to 8 h 42 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 2.4 kWh/m².
Is fall a good time to visit Ljubljana?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Ljubljana for sightseeing.
What to pack for Ljubljana in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Ljubljana sees daytime highs around 15°C and nights near 7°C. Pack a warm layer. Worth having: rain gear. About 33 days see rain.
UV index in Ljubljana in Fall
Clear-sky midday UV across fall averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ljubljana peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 7 | 6 | 8 | 9 | 8 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 7 | High |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Ljubljana in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Ljubljana is worst in January — around 20 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Seasonal pattern from CAMS reanalysis, scaled to Ljubljana's WHO annual average of 16.2 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 20 | 18 | 20 | 19 | 16 | 17 | 15 | 14 | 13 | 14 | 13 | 16 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 18 | Moderate |
| Mar | 20 | Moderate |
| Apr | 19 | Moderate |
| May | 16 | Moderate |
| Jun | 17 | Moderate |
| Jul | 15 | Moderate |
| Aug | 14 | Moderate |
| Sep | 13 | Moderate |
| Oct | 14 | Moderate |
| Nov | 13 | Moderate |
| Dec | 16 | Moderate |
Where is Ljubljana?
Ljubljana sits at 46.1°N, 14.5°E, 295 m above sea level, in Slovenia. The nearest listed city is Kranj, 24 km away.
Topography around Ljubljana
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ljubljana.
Within 3 km, the terrain around Ljubljana has only modest variations in elevation — a maximum elevation change of 165 m around an average of 309 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 847 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,759 m.
The land around Ljubljana is covered by artificial surfaces (55%) and trees (36%) within 3 km, trees (56%) and grassland (23%) within 16 km, and trees (77%) within 80 km.
Slovenia travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 63% of US
- price level, 2025
- GDP per capita
- $37,376
- 2025
- Happiness
- 6.9 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 0.6
- per 100k, 2023
- Road deaths
- 5.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ljubljana (46.0511°, 14.5051°, elevation 295 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.