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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Monitor Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
September in Croatia brings warm days, mild evenings and the sea still holding summer heat. The live forecast above shows current conditions, but expect average highs near 25°C along the coast, cooling to around 20°C by late month. Rain increases slightly, especially in the north.
What is the weather like in Croatia in September?
Coastal areas like Dubrovnik and Split stay warm with sea temperatures around 22–24°C. Inland Zagreb is cooler, averaging 20°C. Rainfall is moderate – about 80–100 mm along the coast, higher in the mountains. Croatia weather September can still bring clear, sunny days, especially early in the month.
By October, conditions shift to cooler and wetter. For a comparison, see our Italy weather page, which covers similar Mediterranean patterns.
Where is the warmest place in Croatia in September?
The Dalmatian coast, particularly Dubrovnik and Hvar, stays warmest. Croatia weather September Dubrovnik typically sees highs of 26°C. Night temperatures drop to around 17°C, so a light jacket is useful. If you’re used to Fahrenheit, 25°C equals 77°F – comfortable for swimming.
For those planning further ahead, Budapest weather in September is cooler but still pleasant for travel.
Is September a good time to visit Croatia?
Yes. Warm weather, fewer crowds than July–August, and the sea is still swimmable. Croatia weather August is hotter and busier; September offers a good balance.
Does it rain a lot in Croatia in September?
Not excessively. Most days are dry, but short afternoon storms can occur. The chance of rain increases from the first week to the last. Check the live forecast above for current radar.
What is the weather in Croatia in September–October like?
The transition from September to October brings cooler nights, lower sea temperatures and more frequent rain. Croatia weather September October is still mild, but packing layers is wise.