Omišalj Weather in September

September in Omišalj brings pleasant temperatures around 22°C (72°F) during the day, dropping to 14°C (57°F) at night, and as part of the rainy season, heavy rainfall is common.

Rainfall in Omišalj in September

Omišalj is in the rainy season in September, with rain on around 13 days and an average of 178 mm (7 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Omišalj in September

Temperatures in Omišalj in September top out at 22°C (72°F) and drop to 14°C (57°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 14°C (57°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 Omišalj in September

With approximately 202 hours of sunshine, the days are filled with clear skies during the day. Rain typically falls in the afternoon or evening, keeping mornings and early parts of the day sunny.

Average water temperature in September

The water is 24°C (75°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

If you prefer enjoying temperate temperatures and rain-free days, 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.

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 Omišalj's climate page.

Omišalj Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 22°C (72°F)  

Water Temperature 24°C (75°F) *  

Chance of Rain 42%  

Precipitation 178 mm (7 in)  

Rainy days 13 days  

Humidity 64% *  

Sunshine 202 hours *  

Percentage Sunshine 57% *  

* Data from: Rijeka, Croatia (18 KM, 11 Miles).

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

What To Do in Omišalj 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 Omišalj's climate page.

More climate data for Omišalj

Temperature Rainfall Sunshine Humidity Water Temp

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