Home › Weather › Croatia Weather September
Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Playlister UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For a trip to Croatia in September, expect warm, settled weather that rivals summer, with far fewer crowds—ideal for coastal exploring and island hopping based on the live forecast above.
What is the typical temperature and rainfall in Croatia during September?
Daytime highs across the Adriatic coast average 24–28°C in early September, easing to 20–24°C by the end of the month, while inland areas run slightly cooler. Rainfall stays low, especially along the Dalmatian coast, though brief afternoon showers become more likely from mid-month.
- Coastal highs: 24–28°C (75–82°F) in early September, 20–24°C (68–75°F) late September
- Inland highs (Zagreb): 19–23°C (66–73°F)
- Sea temperature: Pleasant 22–24°C, perfect for swimming until late in the month
- Rainfall: 70–110mm along the coast; Dubrovnik sees about 80mm over 8–10 wet days
- Sunshine: 8–9 hours daily, diminishing as autumn equinox approaches
Is September a good month for Dubrovnik and the islands?
Absolutely—September is arguably the best month for Dubrovnik, with reliable sunshine, warm seas, and far thinner crowds than July and August. Hvar, Korčula and Brač all enjoy similar conditions, making island trips comfortable well into the month.
- Hotel and flight prices drop noticeably after the first week; booking ahead still recommended
- Bura wind can pick up in late September, especially in Velebit Channel areas
- Day trips to Plitvice Lakes or Krka National Park remain pleasant, with milder heat
- If you’re considering weather in Croatia in October, expect cooler nights and more frequent rain, especially from mid-month onward
What should I pack for Croatia in September?
Light layers are key: shorts and T-shirts for daytime, a light jacket or sweater for evenings. Bring swimwear, sun cream, comfortable walking shoes and a compact umbrella for the occasional late-month shower.
How does September compare with August for weather in Croatia?
September is slightly cooler than the peak of Croatia weather August, but sea temperatures are similar and humidity drops noticeably. Late August and early September are often indistinguishable, while late September turns crisper.
Does the Croatia weather September AccuWeather forecast tend to be reliable?
Accuracy is good about 5–7 days out; for longer-range planning, the live forecast above and Croatia weather September Celsius averages (22–27°C coastal) are a more reliable guide. For Croatia weather September Fahrenheit conversions, 25°C equals 77°F.
Plan ahead with the UK weather hub for your return, or compare conditions in Crete Weather. For a closer look at the week ahead, check the 10 Day Weather Forecast UK.