Go to Bovec in Slovenia
With mountains that linger in the blue sky, an emerald-green river Bovec offers picturesque scenes that are a must see for your bucket list.
In Predjama, September brings pleasant daytime temperatures around 21°C (70°F), with nights cooling to 11°C (52°F). This month falls within the rainy season, so expect frequent rainfall.
If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Predjama.
Pick a month to see the average temperature, rainfall and sunshine in Predjama - and find the best time to visit.
Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Predjama climate overview or explore weather in Slovenia.
Where to go in September - average daytime high across popular destinations.
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