Average data for 10 years
1 September
Sunday
+18°
+15°
2 September
Monday
+21°
+15°
3 September
Tuesday
+21°
+17°
4 September
Wednesday
+20°
+17°
5 September
Thursday
+18°
+15°
6 September
Friday
+19°
+14°
7 September
Saturday
+19°
+14°
8 September
Sunday
+19°
+15°
9 September
Monday
+19°
+15°
10 September
Tuesday
+19°
+15°
11 September
Wednesday
+19°
+15°
12 September
Thursday
+19°
+14°
13 September
Friday
+17°
+14°
14 September
Saturday
+17°
+13°
15 September
Sunday
+17°
+13°
16 September
Monday
+17°
+14°
17 September
Tuesday
+17°
+13°
18 September
Wednesday
+15°
+13°
19 September
Thursday
+17°
+12°
20 September
Friday
+17°
+11°
21 September
Saturday
+16°
+12°
22 September
Sunday
+17°
+12°
23 September
Monday
+16°
+12°
24 September
Tuesday
+15°
+12°
25 September
Wednesday
+16°
+12°
26 September
Thursday
+16°
+12°
27 September
Friday
+16°
+12°
28 September
Saturday
+16°
+12°
29 September
Sunday
+16°
+11°
30 September
Monday
+15°
+11°
Cities with similar weather in September
Czech Republic
Prague
Germany
Berlin
Germany
Munich
Germany
Frankfurt am Main
Germany
Dusseldorf
In September, the weather in Ljubljana is typically warm. Average daily high temperature in September is about 17 degrees above zero. On average, Ljubljana has 12 sunny, 11 rainy, and 7 partly cloudy days in September. The rains are usually heavy.