Cerknica Weather in September

September in Cerknica typically sees daytime highs of 20°C (68°F) and nighttime lows of 11°C (52°F). As the wettest month of the year, expect more rainfall than other months.

Rainfall in Cerknica in September

Expect the heaviest rain of the year this month, often arriving in intense bursts. A poncho is essential for keeping dry. Typically, you can expect about 13 days of rain this month, with 168 mm (6.6 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Cerknica in September

September in Cerknica sees highs of 20°C (68°F) and lows of 11°C (52°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Cerknica in September

The month brings about 182 hours of sunlight, offering a comfortable mix of sun and overcast.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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• January
• February
• March
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• May
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• August

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• October
• November
• December

For a detailed overview over the year and the best time to visit Slovenia, check out our Cerknica's climate page.

Cerknica Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 44%  

Precipitation 168 mm (6.6 in)  

Rainy days 13 days  

Humidity 72% *  

Sunshine 182 hours *  

Percentage Sunshine *  

* Data from: Ljubljana, Slovenia (31 KM, 19 Miles).

What to Wear in Cerknica in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Cerknica in September

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

Swimming

6/10

Camping

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Slovenia, check out our Cerknica's climate page.

More climate data for Cerknica

Temperature Rainfall Sunshine Humidity

See the full Cerknica climate overview or explore weather in Slovenia.