Letališče Porforož Weather in September

September in Letališče Porforož brings high temperatures around 24°C (75°F) during the day, dropping to 18°C (64°F) at night, with quite a bit of rainfall expected, averaging around 150 mm (5.9 in) for the month.

Rainfall in Letališče Porforož in September

This month experiences about 11 days of rain according to historical data, averaging 150 mm (5.9 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Letališče Porforož in September

In September, expect high temperatures in Letališče Porforož, with highs of 24°C (75°F) and lows of 18°C (64°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Letališče Porforož in September

The city usually sees around 223 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If you prefer enjoying temperate temperatures and rain-free days, May, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Letališče Porforož Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 36%  

Precipitation 150 mm (5.9 in)  

Rainy days 11 days  

Humidity 57% *  

Sunshine 223 hours *  

Percentage Sunshine *  

* Data from: Portorož, Slovenia (5 KM, 3 Miles).

What to Wear in Letališče Porforož 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! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Letališče Porforož in September

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

Swimming

8/10

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 Letališče Porforož's climate page.

More climate data for Letališče Porforož

Temperature Rainfall Sunshine Humidity

See the full Letališče Porforož climate overview or explore weather in Slovenia.