Slovenia weather in September
What is the weather like in Slovenia in September?
The weather conditions in Slovenia in September vary from poor to perfect depending on the destination.
During September in Slovenia, the average maximum temperature varies from moderate in Srpenica with 17°C (62°F) to high in Ivanjkovci with 23°C (73°F). Minimum nighttime temperatures generally drop to 11°C (52°F) in Ivanjkovci and 8°C (47°F) in Srpenica.
Precipitation in September varies from moderate in Šalovci with an average of 77mm (3 inches) of rainfall to heavy in Soča with 190mm (7.5 inches).
It is the wettest month of the year in Ljubljana.
It is also generally a
moderately sunny
time of year with an average of 182 hours of sunshine in Ljubljana during the entire month.
To learn more about the weather conditions in specific areas of Slovenia, check out the map below.
Where to go in Slovenia in September
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Popular destinations in Slovenia
What is the weather like in September for the 5 most popular destinations in Slovenia?
Average weather in Ljubljana
In September Ljubljana generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 10°C (49°F) and high monthly rainfall. So on average the conditions are pleasant that month.
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Average weather in Bled
In September Bled generally has pleasant temperatures with maximum daytime temperatures around 20°C (67°F), minimum nighttime temperatures around 10°C (49°F) and high monthly rainfall. So on average the conditions are pleasant that month.
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Average weather in Portorož
In September Portorož generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 12°C (53°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.
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Average weather in Kranjska Gora
In September Kranjska Gora generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 9°C (49°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.
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Average weather in Bohinj
In September Bohinj generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 9°C (49°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.
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Is your destination not in the list? Have a look at other destinations in Slovenia.
Is September the best time to go to Slovenia?
In our opinion September is one of the best times to visit Slovenia with commonly pleasant weather in Ljubljana. However, the weather conditions may vary depending on your destination.
On average the best time to visit Slovenia is in June, July, August and September with generally pleasant weather in Ljubljana.
The worst months are January, February, March, November and December that can have poor weather conditions.
Interested in more climate information?
We have much more information about the climate in Slovenia.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to Slovenia? Get detailed historical weather averages for many cities in Slovenia.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.