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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Edinburgh Wire weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
September in Croatia offers warm, settled weather, with average highs of 25–28°C along the Dalmatian coast, dropping to around 20°C inland by late month — making it an ideal shoulder season for sightseeing and swimming. The live forecast above shows current conditions for key coastal cities.
What is the weather typically like in Croatia during September?
September is one of the best months to visit Croatia. The Adriatic Sea remains warm (22–24°C), perfect for swimming, while tourist crowds thin out after August. Inland, Zagreb and Plitvice see more comfortable highs of 20–22°C, with increasing rainfall towards the end of the month. The south, around Dubrovnik, stays warmer and sunnier, averaging 10–12 hours of daylight.
How does September compare to neighbouring months?
Compared to the peak heat of croatia weather august, September is slightly cooler and less humid, with fewer thunderstorms. The transition into October brings a noticeable drop: weather in croatia in october averages 17–20°C, and many coastal resorts begin to close. For travellers seeking a balance of warmth and value, the whole window of croatia weather september october is popular, though September remains the safer bet for beach days.
Is September a good month for a Dubrovnik holiday?
Yes – croatia weather september dubrovnik is typically sunny and 26–28°C (79–82°F). Sea temperatures remain warm, and cruise-ship crowds diminish after mid-September, making it an excellent choice for sightseeing and coastal walks.
What should I pack for Croatia in September?
Light summer clothing, a light jacket or jumper for cooler evenings, and comfortable walking shoes. A raincoat or umbrella is wise for the occasional thunderstorm. Sun protection is still essential, especially if checking croatia weather september accuweather for UV levels.
How does September weather compare to July or August?
September is slightly cooler and less humid than August, with fewer heatwaves. July and August are the hottest months; September offers a more temperate alternative, with croatia weather september celsius readings typically 3–5°C lower than July peaks.