16-day forecast — Ljubljana Updated every hour
Thu · Today
Cloudy
+17°
+8°
1.2 mm
⌄
Wind 15 km/h SW
Gusts 26 km/h
UV index 3 – Moderate
Chance of rain 65%
Sunrise 06:51
Sunset 18:56
Fri · Tomorrow
Clear
+16°
+8°
3.6 mm
⌄
Wind 7 km/h SE
Gusts 24 km/h
UV index 4 – Moderate
Chance of rain 69%
Sunrise 06:52
Sunset 18:54
Saturday 26/9
Clear
+18°
+7°
8%
⌄
Wind 4 km/h SE
Gusts 20 km/h
UV index 5 – Moderate
Chance of rain 8%
Sunrise 06:54
Sunset 18:52
Sunday 27/9
Clear
+20°
+8°
6%
⌄
Wind 4 km/h NE
Gusts 13 km/h
UV index 4 – Moderate
Chance of rain 6%
Sunrise 06:55
Sunset 18:50
Monday 28/9
Clear
+21°
+9°
7%
⌄
Wind 5 km/h NE
Gusts 20 km/h
UV index 6 – High
Chance of rain 7%
Sunrise 06:56
Sunset 18:48
Tuesday 29/9
Clear
+22°
+11°
8%
⌄
Wind 4 km/h NE
Gusts 5 km/h
UV index 6 – High
Chance of rain 8%
Sunrise 06:57
Sunset 18:46
Wednesday 30/9
Clear
+22°
+12°
8%
⌄
Wind 5 km/h E
Gusts 13 km/h
UV index 6 – High
Chance of rain 8%
Sunrise 06:59
Sunset 18:44
Thursday 1/10
Clear
+21°
+11°
6%
⌄
Wind 7 km/h E
Gusts 17 km/h
UV index 6 – High
Chance of rain 6%
Sunrise 07:00
Sunset 18:42
Friday 2/10
Clear
+18°
+11°
6%
⌄
Wind 16 km/h E
Gusts 23 km/h
UV index 5 – Moderate
Chance of rain 6%
Sunrise 07:01
Sunset 18:40
Saturday 3/10
Cloudy
+16°
+9°
11%
⌄
Wind 6 km/h SE
Gusts 10 km/h
UV index 4 – Moderate
Chance of rain 11%
Sunrise 07:03
Sunset 18:38
Sunday 4/10
Fog
+11°
+9°
9.4 mm
⌄
Wind 4 km/h NE
Gusts 22 km/h
UV index 3 – Moderate
Chance of rain 91%
Sunrise 07:04
Sunset 18:36
Monday 5/10
Fog
+12°
+9°
42%
⌄
Wind 4 km/h E
Gusts 7 km/h
UV index 3 – Moderate
Chance of rain 42%
Sunrise 07:05
Sunset 18:34
Tuesday 6/10
Showers
+12°
+11°
10.3 mm
⌄
Wind 4 km/h E
Gusts 6 km/h
UV index 3 – Moderate
Chance of rain 95%
Sunrise 07:07
Sunset 18:33
Wednesday 7/10
Fog
+16°
+12°
1.3 mm
⌄
Wind 5 km/h E
Gusts 14 km/h
UV index 4 – Moderate
Chance of rain 81%
Sunrise 07:08
Sunset 18:31
Thursday 8/10
Showers
+16°
+8°
1.8 mm
⌄
Wind 10 km/h S
Gusts 22 km/h
UV index 3 – Moderate
Chance of rain —
Sunrise 07:09
Sunset 18:29
Friday 9/10
Rain
+16°
+9°
0.8 mm
⌄
Wind 12 km/h SE
Gusts 24 km/h
UV index 3 – Moderate
Chance of rain —
Sunrise 07:10
Sunset 18:27
About Ljubljana
Hauptstadt Sloweniens zwischen Alpen und Adria — grüne Altstadt an der Ljubljanica.
Country Slovenia
Region Zentralslowenien
Continent Europe
Time zone Europe/Ljubljana (+02:00)
Latitude 46.0511°
Longitude 14.5051°
Air quality Good (EAQI 18)
🗺️ Map — Ljubljana and around
daily maximum temperature
📅 Forecast
🌧️ Radar now
▶
Forecast for Ljubljana and the surrounding towns, from the same weather models as the city pages. Radar: RainViewer, images from the last two hours.
Climate in Ljubljana in September
Normals 8 years · best time to visit · Open-Meteo
Best time to visit Ljubljana : June–September . With good weather, September is a recommended month to visit.
Photo: Wikimedia
August
September
October
Average temperature
▼ 21°C
16°C
▼ 12°C
Highest temperature
▼ 27°C
22°C
▼ 17°C
Lowest temperature
▼ 16°C
11°C
▼ 7°C
Precipitation
▲ 89 mm
137 mm
▼ 123 mm
Days with precipitation
▲ 9 d
11 d
▼ 10 d
Humidity
▲ 72%
79%
▲ 86%
Sunshine hours per day
▼ 11,5 h
9,6 h
▼ 7,3 h
Cloud cover
▲ 19%
23%
▲ 33%
UV index (midday)
▼ 9
6
▼ 4
Day length
14:06
12:32
10:55
Our rating
Good
Good
Acceptable
Temperature day by day in September mean + moving average
12° 14° 16° 18° 20° 1 6 11 16 21 26
Precipitation day by day in September mm
0 8 16 1 6 11 16 21 26
UV index day by day in September midday value, clear-sky
0 5.5 11 1 6 11 16 21 26
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
Other destinations in Europe
Weather Ljubljana
Data source
Global weather models — international forecasts
Weather in Ljubljana (Slovenia): current conditions plus a 24-hour and 16-day forecast for planning your trip. Right now on the ground: +17°, cloudy, wind 9 km/h. Over the next 7 days temperatures range between 7 and 22 °C, with 6 fine days and 5 mm of rain. Climatologically, highs in September are around 22 °C. Best time to visit: usually June–September. Local time (time zone Europe/Ljubljana). Data from Open-Meteo and WeatherAPI.