Boljun Weather in September

Boljun in September sees high temperatures, with highs around 23°C (73°F) and overnight lows of 15°C (59°F). With the rainy season in full effect, expect around 198 mm (7.8 in) of rainfall and regular showers throughout the month.

Rainfall in Boljun in September

Boljun is in the rainy season in September, with rain on around 12 days and an average of 198 mm (7.8 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.

Temperature in Boljun in September

Daytime temperatures in Boljun reach 23°C (73°F) in September, dropping to 15°C (59°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Boljun in September

Enjoy a sunny month with about 202 hours of sunshine, even though this month falls in the wet season. There is still enough sun to enjoy the outdoors.

Average water temperature in September

The water temperature is 24°C (75°F), which most people find very comfortable. A good month for swimming and water sports.

Should you favor a climate that's both dry and comfortably warm, July typically offers 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 Boljun's climate page.

Boljun Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 23°C (73°F)  

Water Temperature 24°C (75°F) *  

Chance of Rain 40%  

Precipitation 198 mm (7.8 in)  

Rainy days 12 days  

Humidity 64% *  

Sunshine 202 hours *  

Percentage Sunshine 57% *  

* Data from: Rijeka, Croatia (22 KM, 14 Miles).

What to Wear in Boljun in September

For Boljun 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. Expect water temperatures of around 24°C (75°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Boljun 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 Croatia, check out our Boljun's climate page.

More climate data for Boljun

Temperature Rainfall Sunshine Humidity Water Temp

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