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.