Piran weather in September (Slovenia)

Planning a trip to Piran in September? Here's what the weather might have in store during this month.

In September, Piran typically experiences high temperatures and high rainfall. Anticipate daytime temperatures around 24°C, while night temperatures can drop to 18°C.

Piran in September usually receives high rainfall, averaging around 155 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 11 days of the month will see rainfall.

The days are predominantly sunny, with an estimated total of around 223 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

If your ideal day consists of dry skies and moderate temperatures May, June, July and August generally stand out with the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Piran climate page with graphs.

 

Piran, monthly averages in September

Min Temperature 18°C  

Max Temperature 24°C  

Chance of Rain 36%  

Precipitation 155 mm  

Rainy days 11 days  

Humidity 57% *  

Sunshine 223 hours *  

Percentage Sunshine *  

Where to go in Slovenia in September

Find out more about the weather in Slovenia in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Piran in September?

For visitors traveling to Piran, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming

8/10

Camping

6/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Piran.

Our site offers climate and forecast data for every country in the world. Are you going to Slovenia? On this website you can find 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.