Ankaran
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Ankaran Weather in September

September in Ankaran brings high temperatures around 23°C (73°F) during the day, dropping to 16°C (61°F) at night, with quite a bit of rainfall expected, averaging around 162 mm (6.4 in) for the month.

Rainfall in Ankaran in September

Looking at the last 30 years, the data shows about 11 days with rain, averaging 162 mm (6.4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Ankaran in September

Daytime temperatures in Ankaran reach 23°C (73°F) in September, dropping to 16°C (61°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 16°C (61°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Ankaran in September

Expect a lot of sunshine this month, with about 211 hours of sun. These sunny conditions add to the overall experience.

Average water temperature in September

The water is 22°C (72°F) this month, warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

Should you favor a climate that's both dry and comfortably warm, June, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Ankaran Temperature in September

Min Temperature
16°C (61°F)
Max Temperature
23°C (73°F)
Water Temperature
22°C (72°F) *
Chance of Rain
36%
Precipitation
162 mm (6.4 in)
Rainy days
11 days
Humidity
67% *
Sunshine
211 hours *
Percentage Sunshine
54% *
* Data from: Triest, Italy (8 KM, 4 Miles).

Ankaran Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Ankaran - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Ankaran typically drop from around 26°C (79°F) at the start of September to approximately 22°C (72°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 17°C (63°F).

Average temperatures in September

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

Historical weather records for Ankaran in September

Browse day-by-day weather records for Ankaran spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Ankaran historical weather extremes in September

Based on 50 years of weather observations in Ankaran between 1976 and 2026, these are the recorded extremes.

  • Ankaran recorded its highest September temperature of 35°C (95°F) on September 23, 1985.
  • The lowest daytime temperature in September was 11°C (52°F), recorded on September 18, 1977.
  • The lowest overnight temperature recorded in September was 4°C (39°F) (September 29, 1977).

Best Places in Slovenia in September

Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Ankaran in September

For Ankaran in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. The water temperature sits at about 22°C (72°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Ankaran in September

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

  • Swimming
    8/10
  • Camping
    6/10

Ankaran 3-Day Forecast

More climate data for Ankaran

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.