Daytime highs, nighttime lows and the warmest cities in Carinthia, Slovenia this September.
Carinthia, Slovenia, a region in Slovenia, experiences maximum daytime temperatures in September ranging from 19°C (66°F) in Jesenice to 24°C (75°F) in Koper. Nighttime temperatures generally drop to 16°C (61°F) in Koper and 9°C (48°F) in Jesenice.
To get a sense of September's typical temperatures in the key spots of Carinthia, explore the map below. Click on a point for an in-depth look.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Carinthia.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Expect daytime temperatures around 24°C (75°F) in Koper. That makes September a high month for Carinthia, Slovenia.
Average overnight lows in Carinthia, Slovenia during September sit near 16°C (61°F) in Koper.
From a thorough analysis of our records, Koper clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 24°C (75°F), and evenings that remain near 16°C (61°F).
The coldest city in September in Carinthia, Slovenia is Jesenice when we check our database. The maximum daytime temperatures are around 19°C (66°F) and minimum nighttime temperatures fall around 9°C (48°F).
Koper enjoys approximately 223 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.
We have much more information about the climate in Carinthia.
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