Weather in Ljubljana for September 2025
In general, the average temperature in Ljubljana at the beginning of September is 26 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.1 °C by the end of September.
Ljubljana sees moderate rainfall in September, averaging 6 rainy days.
Is September a good time to visit Ljubljana? check out the best time to travel to Ljubljana page.
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Ljubljana in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 28° | 2 28° | 3 27° | 4 25° | 5 25° | 6 24° | 7 25° |
8 26° | 9 22° | 10 24° | 11 25° | 12 21° | 13 17° | 14 18° |
15 18° | 16 20° | 17 18° | 18 21° | 19 18° | 20 18° | 21 21° |
22 21° | 23 19° | 24 17° | 25 18° | 26 21° | 27 21° | 28 20° |
29 19° | 30 18° |
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Temperatures trend during September in Ljubljana
September weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Mist | 28° /13° | 0 mm | 7 | |
2 Sept. | Mist | 28° /14° | 0 mm | 7 | |
3 Sept. | Mist | 27° /13° | 4.2 mm | 6 | |
4 Sept. | Overcast | 25° /12° | 0.4 mm | 6 | |
5 Sept. | Sunny | 25° /12° | 3.7 mm | 6 | |
6 Sept. | Sunny | 24° /11° | 2.3 mm | 6 | |
7 Sept. | Sunny | 25° /12° | 0 mm | 6 | |
8 Sept. | Sunny | 26° /12° | 0.2 mm | 7 | |
9 Sept. | Sunny | 22° /12° | 5.6 mm | 6 | |
10 Sept. | Sunny | 24° /11° | 0.2 mm | 6 | |
11 Sept. | Sunny | 25° /11° | 0.2 mm | 6 | |
12 Sept. | Partly cloudy | 21° /9° | 31.9 mm | 6 | |
13 Sept. | Partly cloudy | 17° /8° | 5.5 mm | 5 | |
14 Sept. | Mist | 18° /9° | 3.7 mm | 4 | |
15 Sept. | Fog | 18° /8° | 0.2 mm | 5 | |
16 Sept. | Mist | 20° /8° | 1.5 mm | 5 | |
17 Sept. | Mist | 18° /8° | 1.7 mm | 4 | |
18 Sept. | Mist | 21° /9° | 0.1 mm | 5 | |
19 Sept. | Light rain shower | 18° /10° | 3.6 mm | 5 | |
20 Sept. | Light rain shower | 18° /10° | 1.5 mm | 4 | |
21 Sept. | Patchy rain possible | 21° /10° | 0.3 mm | 5 | |
22 Sept. | Light rain shower | 21° /10° | 6.9 mm | 5 | |
23 Sept. | Light rain shower | 19° /9° | 3.7 mm | 5 | |
24 Sept. | Light drizzle | 17° /11° | 5.2 mm | 4 | |
25 Sept. | Patchy rain possible | 18° /9° | 1.4 mm | 4 | |
26 Sept. | Fog | 21° /9° | 0.1 mm | 5 | |
27 Sept. | Partly cloudy | 21° /12° | 2.6 mm | 5 | |
28 Sept. | Sunny | 20° /8° | 3.5 mm | 5 | |
29 Sept. | Sunny | 19° /7° | 0.2 mm | 5 | |
30 Sept. | Cloudy | 18° /6° | 0 mm | 4 | |
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Ljubljana in September - FAQ
What to pack to Ljubljana in September?
As you prepare for your trip to Ljubljana in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Ljubljana, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Ljubljana
UV exposure in Ljubljana during September
Quick links
Get accurate weather forecasts for Ljubljana, located at latitude 46.051 and longitude 14.505. Stay updated with localized weather information tailored for Ljubljana.