Ljubljana in september: average Weather, Temperature and Climate
Weather in Ljubljana in september 2025
The weather in Ljubljana in september comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
58°F
Clear/Sunny
42% of time
20%
16%
11%
Weather at 12pm
68°F
Clear/Sunny
40% of time
27%
19%
8%
Weather at 6pm
56°F
Clear/Sunny
39% of time
20%
18%
14%
Weather at 3am
54°F
39%
26%
15%
12%
Evolution of daily average temperature and precipitation in Ljubljana in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Ljubljana in september.
The climate of Ljubljana in september is good
The climate in september in Ljubljana is relatively dry (with 6.2in of rainfall over 6 days). The situation is deteriorating compared to the previous month since in august there is an average of 5in of rainfall over 6 days.
The climate quite pleasant here the month of september. Temperatures are up to 70°F. In the morning the temperature drops to 58°F. Thus, the mean temperature average in september in Ljubljana is 63°F. Note that seasonal normals are in contrast with those observed in Ljubljana in the month of september with a maximum record of 90°F in 2018 and a minimum record of 43°F in 2013. You can plan to have about 22 days with temperatures above 65°F, or 73% of the month.
On average, in Ljubljana, the days of september last 12:33. The sun rises at 05:40 and sunset is at 18:13.
With a good weather, this month is a good time to go in this locality in Slovenia.
Seasonal average climate and temperature of Ljubljana in september
Check below seasonal norms These statistics are generated from the weather statements of the last years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 63°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 90°F (2018) | ||||
| Lowest record temperature | 43°F (2013) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 22 day(s) (73%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 10km/h | ||||
| Wind temperature | 58°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 6.2in | ||||
| Number of days with rainfall | 6 day(s) (21%) | ||||
| Record daily rainfall | 3.9in (2012) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 89% | ||||
| Visibility | 8.03km | ||||
| Cloud cover | 36% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:40 | ||||
| Time of sunset | 18:13 | ||||
| Length of day | 12:33 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Ljubljana in september 2024:
65°F to 88°F
65°F to 88°F
63°F to 86°F
61°F to 86°F
59°F to 83°F
61°F to 77°F
58°F to 81°F
59°F to 79°F
63°F to 67°F
54°F to 74°F
56°F to 76°F
47°F to 58°F
45°F to 49°F
47°F to 58°F
49°F to 59°F
41°F to 63°F
49°F to 54°F
45°F to 67°F
52°F to 61°F
56°F to 59°F
49°F to 67°F
49°F to 67°F
50°F to 68°F
58°F to 63°F
52°F to 65°F
58°F to 67°F
65°F to 68°F
50°F to 63°F
47°F to 59°F
40°F to 58°F
Map: other cities in Slovenia in september
Cities near Ljubljana:
| Škofja Loka in september | good weather |
| Kamnik in september | good weather |
| Kranj in september | good weather |
| Litija in september | good weather |
| Logatec in september | good weather |
| Idrija in september | good weather |
| Jezersko in september | good weather |
| Postojna in september | good weather |
| Ribnica in september | good weather |
| Predjama in september | good weather |
| Solcava in september | good weather |
| Trbovlje in september | good weather |
Click over cities on the map for information about the weather in september.
Ljubljana
perfect weather
good
tolerable
bad
very bad
Weather data for Ljubljana in september:
Weather data for Ljubljana for september are derived from an average of the weather forecast since 2009 in Ljubljana. There is a margin of error and these forecasts are to be considered as general information only. The weather in Ljubljana can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Ljubljana.