Piran

Slovenian Littoral (Primorska) Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Slovenian Littoral (Primorska), Slovenia in September.

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Portorož Piran Kobarid Tolmin

Thinking about venturing to Slovenian Littoral (Primorska), Slovenia this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Slovenian Littoral (Primorska) in September

Slovenian Littoral (Primorska), Slovenia is a region in Slovenia. September in Slovenian Littoral (Primorska) generally has temperatures that range from pleasant to warm, with precipitation levels ranging from high to heavy.

Temperatures

The average highest temperatures fluctuate between pleasant in Tolmin at 20°C (68°F) to warm in Portorož at 24°C (75°F). Nighttime temperatures generally drop to 18°C (64°F) in Portorož and 10°C (50°F) in Tolmin.

For specific regional insights in Slovenian Littoral (Primorska), Slovenia, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Portorož with an average of 154 mm (6.1 in) to heavy rainfall in Tolmin with 183 mm (7.2 in).

Average sunshine

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

Explore Slovenian Littoral (Primorska) by month

Pick a month to see the average temperature, rainfall and sunshine in Slovenian Littoral (Primorska) - and find the best time to visit. (based on Portorož)

January9°C (48°F) February10°C (50°F) March13°C (55°F) April16°C (61°F) May21°C (70°F) June25°C (77°F) This monthJuly27°C (81°F) August28°C (82°F) September24°C (75°F) October19°C (66°F) November15°C (59°F) December11°C (52°F)
Best Time to Visit Slovenian Littoral (Primorska) →

Best Places to Visit in Slovenian Littoral (Primorska) in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Slovenian Littoral (Primorska).

Conditions Temperatures Precipitation
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 Slovenian Littoral (Primorska)

What is the weather like in September for some of the most popular destinations in Slovenian Littoral (Primorska), Slovenia?

Temperature range in Slovenian Littoral (Primorska) (September)

Precipitation variation in Slovenian Littoral (Primorska) (September)

Portorož

In September Portorož generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 18°C (64°F) and high monthly rainfall. So on average the conditions are very good that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
24°C (75°F)
19°C (66°F)
Min temperature
22°C (72°F)
18°C (64°F)
14°C (57°F)
Monthly sun hours
299 hours
223 hours
166 hours
Monthly rainfall
84 mm (3.3 in)
154 mm (6.1 in)
164 mm (6.5 in)
Monthly rainy days
11 days
11 days
11 days
Weather conditions
excellent
very good
good
Climate in Portorož →

Piran

In September Piran generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 18°C (64°F) and high monthly rainfall. So on average the conditions are very good that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
24°C (75°F)
19°C (66°F)
Min temperature
22°C (72°F)
18°C (64°F)
14°C (57°F)
Monthly sun hours
299 hours
223 hours
166 hours
Monthly rainfall
84 mm (3.3 in)
155 mm (6.1 in)
166 mm (6.5 in)
Monthly rainy days
11 days
11 days
11 days
Weather conditions
excellent
very good
good
Climate in Piran →

Kobarid

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

« August
September
October »
August
September
October
Max temperature
25°C (77°F)
20°C (68°F)
15°C (59°F)
Min temperature
14°C (57°F)
10°C (50°F)
6°C (43°F)
Monthly sun hours
239 hours
168 hours
130 hours
Monthly rainfall
133 mm (5.2 in)
173 mm (6.8 in)
200 mm (7.9 in)
Monthly rainy days
15 days
13 days
13 days
Weather conditions
very good
very good
less favorable
Climate in Kobarid →

Tolmin

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

« August
September
October »
August
September
October
Max temperature
25°C (77°F)
20°C (68°F)
15°C (59°F)
Min temperature
14°C (57°F)
10°C (50°F)
6°C (43°F)
Monthly sun hours
239 hours
168 hours
130 hours
Monthly rainfall
148 mm (5.8 in)
183 mm (7.2 in)
195 mm (7.7 in)
Monthly rainy days
15 days
14 days
13 days
Weather conditions
very good
good
less favorable
Climate in Tolmin →

Nova Gorica

In September Nova Gorica generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 13°C (55°F) and heavy monthly rainfall. So on average the conditions are good that month.

« August
September
October »
August
September
October
Max temperature
27°C (81°F)
22°C (72°F)
17°C (63°F)
Min temperature
17°C (63°F)
13°C (55°F)
9°C (48°F)
Monthly sun hours
260 hours
211 hours
167 hours
Monthly rainfall
122 mm (4.8 in)
183 mm (7.2 in)
204 mm (8 in)
Monthly rainy days
14 days
12 days
12 days
Weather conditions
very good
good
less favorable
Climate in Nova Gorica →

Is your destination not in the list? Have a look at all destinations in Slovenian Littoral (Primorska), in Slovenia.

Popular cities in September

Day & night temperatures, rainfall and average weather in Slovenian Littoral (Primorska) in September.

City Weather Day temp Night temp Rainfall
Portorož 24°C (75°F) 18°C (64°F) 154 mm (6.1 in)
Piran 24°C (75°F) 18°C (64°F) 155 mm (6.1 in)
Kobarid 20°C (68°F) 10°C (50°F) 173 mm (6.8 in)
Tolmin 20°C (68°F) 10°C (50°F) 183 mm (7.2 in)
Nova Gorica 22°C (72°F) 13°C (55°F) 183 mm (7.2 in)

Slovenian Littoral (Primorska) weather in September: frequently asked questions

What is the weather like in Slovenian Littoral (Primorska), Slovenia in September?

September in Slovenian Littoral (Primorska), Slovenia brings very good weather. In Portorož, daytime temperatures are typically around 24°C (75°F) and nighttime lows hover near 18°C (64°F).

What is the average temperature in Slovenian Littoral (Primorska), Slovenia in September?

Portorož averages a daytime maximum of 24°C (75°F) in September, with overnight lows close to 18°C (64°F).

Does Slovenian Littoral (Primorska), Slovenia get a lot of rain in September?

Slovenian Littoral (Primorska), Slovenia sees substantial rainfall in September. Portorož typically averages about 154 mm (6.1 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Slovenian Littoral (Primorska), Slovenia?

Given the typically very good weather conditions in Portorož, September might be a good time to visit Slovenian Littoral (Primorska), Slovenia. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Slovenian Littoral (Primorska), Slovenia is in May, June, July and August with generally excellent weather in Portorož. In contrast, January, February and December tend to have less favorable weather conditions.

Interested in more climate information?

We have much more information about the climate in Slovenian Littoral (Primorska).

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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