Koper

Carinthia Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Carinthia, Slovenia in September.

Are you planning a trip a to Carinthia, Slovenia in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Carinthia in September

Carinthia, Slovenia is a region in Slovenia. September in Carinthia generally has temperatures that range from pleasant to warm, with high precipitation.

Temperatures

During the day the temperature is pleasant in Jesenice at 19°C (66°F) and warm in Koper at 24°C (75°F). As night falls, temperatures generally drop to 16°C (61°F) in Koper and 9°C (48°F) in Jesenice.

For a closer look at conditions across Carinthia, Slovenia, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Muta with an average of 132 mm (5.2 in) to high rainfall in Koper with 159 mm (6.3 in).

Average sunshine

Most destinations offer generous amounts of sunshine this September. For example, Koper gets approximately 223 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore Carinthia by month

Pick a month to see the average temperature, rainfall and sunshine in Carinthia — and find the best time to visit. (based on Koper)

Best Places to Visit in Carinthia in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Carinthia.

perfect weather
pleasant
tolerable
unpleasant
poor

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).

Popular Destinations in Carinthia

What is the weather like in September for some of the most popular destinations in Carinthia, Slovenia?

Temperature range in Carinthia (September)

Precipitation variation in Carinthia (September)

Koper

In September Koper generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 16°C (61°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
28°C (82°F)
24°C (75°F)
19°C (66°F)
Min temperature
20°C (68°F)
16°C (61°F)
12°C (54°F)
Monthly sun hours
299 hours
223 hours
166 hours
Monthly rainfall
96 mm (3.8 in)
159 mm (6.3 in)
167 mm (6.6 in)
Monthly rainy days
12 days
11 days
11 days
Weather conditions

Ribnica na Pohorju

In September Ribnica na Pohorju generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
25°C (77°F)
20°C (68°F)
14°C (57°F)
Min temperature
14°C (57°F)
10°C (50°F)
5°C (41°F)
Monthly sun hours
255 hours
192 hours
144 hours
Monthly rainfall
148 mm (5.8 in)
138 mm (5.4 in)
97 mm (3.8 in)
Monthly rainy days
15 days
12 days
11 days
Weather conditions

Slovenj Gradec

In September Slovenj Gradec generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
24°C (75°F)
19°C (66°F)
14°C (57°F)
Min temperature
13°C (55°F)
9°C (48°F)
5°C (41°F)
Monthly sun hours
255 hours
192 hours
144 hours
Monthly rainfall
152 mm (6 in)
140 mm (5.5 in)
101 mm (4 in)
Monthly rainy days
15 days
12 days
11 days
Weather conditions

Muta

In September Muta generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
24°C (75°F)
19°C (66°F)
14°C (57°F)
Min temperature
14°C (57°F)
9°C (48°F)
5°C (41°F)
Monthly sun hours
255 hours
192 hours
144 hours
Monthly rainfall
145 mm (5.7 in)
132 mm (5.2 in)
95 mm (3.7 in)
Monthly rainy days
15 days
12 days
11 days
Weather conditions

Ravne na Koroškem

In September Ravne na Koroškem generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
24°C (75°F)
19°C (66°F)
14°C (57°F)
Min temperature
13°C (55°F)
9°C (48°F)
5°C (41°F)
Monthly sun hours
241 hours
188 hours
129 hours
Monthly rainfall
148 mm (5.8 in)
136 mm (5.4 in)
100 mm (3.9 in)
Monthly rainy days
15 days
12 days
11 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Carinthia, in Slovenia.

Popular cities in September

Day & night temperatures, rainfall and average weather in Carinthia in September.

City Weather Day temp Night temp Rainfall
Koper 24°C (75°F) 16°C (61°F) 159 mm (6.3 in)
Ribnica na Pohorju 20°C (68°F) 10°C (50°F) 138 mm (5.4 in)
Slovenj Gradec 19°C (66°F) 9°C (48°F) 140 mm (5.5 in)
Muta 19°C (66°F) 9°C (48°F) 132 mm (5.2 in)
Ravne na Koroškem 19°C (66°F) 9°C (48°F) 136 mm (5.4 in)
Šentjanž pri Dravogradu 19°C (66°F) 9°C (48°F) 135 mm (5.3 in)

Carinthia weather in September: frequently asked questions

What is the weather like in Carinthia, Slovenia in September?

Expect pleasant weather across Carinthia, Slovenia in September. The popular destination of Koper averages 24°C (75°F) by day and 16°C (61°F) at night during this month.

What is the average temperature in Carinthia, Slovenia in September?

Daytime temperatures in Koper peak at roughly 24°C (75°F) in September, dropping to about 16°C (61°F) overnight.

Does Carinthia, Slovenia get a lot of rain in September?

Carinthia, Slovenia sees substantial rainfall in September. Koper typically averages about 159 mm (6.3 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Carinthia, Slovenia?

In our opinion, September is a good time to visit Carinthia, Slovenia with overall pleasant weather in Koper. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Carinthia, Slovenia is in June, July and August with generally perfect weather in Koper. On the other hand, the weather in January, February and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Carinthia.

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 travel conditions. Find out where to go with our weather planner.

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