Predjama Weather in September

In Predjama, September brings pleasant daytime temperatures around 21°C (70°F), with nights cooling to 11°C (52°F). This month falls within the rainy season, so expect frequent rainfall.

Rainfall in Predjama in September

Predjama is in the rainy season in September, with rain on around 13 days and an average of 180 mm (7.1 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Predjama in September

September in Predjama brings pleasant temperatures, with highs of 21°C (70°F) and nights around 11°C (52°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. 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 Predjama in September

Expect a lot of sunshine this month, with about 211 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Predjama.

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• January
• February
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• May
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• October
• November
• December

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

Predjama Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 44%  

Precipitation 180 mm (7.1 in)  

Rainy days 13 days  

Humidity 67% *  

Sunshine 211 hours *  

Percentage Sunshine 54% *  

* Data from: Triest, Italy (34 KM, 21 Miles).

What to Wear in Predjama in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Predjama in September

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

Swimming

7/10

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 Predjama's climate page.

More climate data for Predjama

Temperature Rainfall Sunshine Humidity

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