Vir Weather in September

Vir in September averages 24°C (75°F) during the day and 18°C (64°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Vir in September

Past climate data indicates that roughly 11 days will see rain, totalling around 113 mm (4.4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Vir in September

Daytime highs in Vir in September reach 24°C (75°F), with nights around 18°C (64°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 18°C (64°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 Vir in September

There are approximately 248 hours of sunshine this month, resulting in mostly clear days.

Average water temperature in September

At 23°C (73°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

Should you favor a climate that's both dry and comfortably warm, May, 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.

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

Vir Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 24°C (75°F)  

Water Temperature 23°C (73°F) *  

Chance of Rain 38%  

Precipitation 113 mm (4.4 in)  

Rainy days 11 days  

Humidity 73% *  

Sunshine 248 hours *  

Percentage Sunshine *  

* Data from: Zadar, Croatia (23 KM, 14 Miles).

Daily Historical Temperatures

47-year average (1976-2025)

Based on our historical records, temperatures in Vir typically drop from around 26°C (79°F) at the start of September to approximately 22°C (72°F) by the end. Nights are cool, with lows typically ranging from 11°C (52°F) to 15°C (59°F).

Average temperatures in September

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Daily Historical Precipitation

47-year average (1976-2025)

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

Average precipitation in September

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Historical weather for Vir in September

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

Historical weather Temperatures Precipitation

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Vir historical weather extremes in September

Based on weather observations in Vir between 1994 and 2025, these are the recorded extremes during September.

• The warmest day in September was on September 3, 2011, with a maximum of 34°C (93°F).
• The lowest daytime temperature in September was 14°C (57°F), recorded on September 29, 2002.
• Nighttime temperatures dropped to 3°C (37°F) on September 30, 1995, marking the coldest September night on record.

What to Wear in Vir in September

For Vir 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 23°C (73°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Vir in September

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

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 Croatia, check out our Vir's climate page.

More climate data for Vir

Temperature Rainfall Sunshine Humidity Water Temp

See the full Vir climate overview or explore weather in Croatia.