Idrija weather in September (Slovenia)

What kind of weather does September bring to Idrija? Find out what kind of weather to expect during this month.

Temperatures

The month of September in Idrija typically includes pleasant temperatures and heavy rainfall. Expect temperatures to climb to 21°C during the day, with nighttime readings dropping to 11°C.

Precipitation

Idrija in September falls under the rainy season with heavy rainfall, averaging around 185 mm for the month. Historically, approximately 13 days this month are expected to have rain.

Average sunshine

The month experiences a moderate amount of sunlight, with 182 hours hours. A nice balance between sunshine and clouds.

In case you lean more towards enjoying temperate temperatures and rain-free days May, June, July and August typically offer the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

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

 

Idrija, monthly averages in September

Min Temperature 11°C  

Max Temperature 21°C  

Chance of Rain 44%  

Precipitation 185 mm  

Rainy days 13 days  

Humidity 72% *  

Sunshine 182 hours *  

Percentage Sunshine *  

Data from: Ljubljana, Slovenia (37 KM, 23 Miles).

Where to go in Slovenia in September

Find out more about the weather in Slovenia and which places have the best travel 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 this month?

For visitors traveling to Idrija, 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.

Swimming

6/10

Camping

6/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Idrija.

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