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Monthly climate guide

Dubrovnik weather in September

With highs near 25°C (76°F) and lows around 21°C (70°F), September feels warm in Dubrovnik. Rainfall averages about 110 mm (wet) and the sky is a mix of sun and cloud. Daytime highs are 4°C cooler than August and 4°C warmer than October.

What stands out in September

  • September brings early autumn to Dubrovnik.
  • Days and nights are close, only about 4°C apart.
  • September is Dubrovnik's third warmest month.
  • Dubrovnik is usually about 5°C warmer than Rijeka, 420 km away, in September.

Avg high

25°C

76°F

Avg low

21°C

70°F

Rainfall

110 mm

wet

Humidity

65%

relative

Sky

35%

cloud · a mix of sun and cloud

Dubrovnik weather by month

Low → high °C Rain (mm)
Show the monthly averages as a table
Average monthly climate in Dubrovnik
MonthAvg highAvg lowRainHumidityCloud cover
January11°C / 51°F8°C / 46°F132 mm73%61%
February12°C / 53°F9°C / 47°F150 mm74%64%
March14°C / 56°F10°C / 50°F128 mm73%56%
April16°C / 61°F13°C / 55°F92 mm74%50%
May20°C / 67°F16°C / 61°F87 mm73%52%
June24°C / 76°F21°C / 69°F49 mm70%36%
July28°C / 82°F23°C / 74°F40 mm63%23%
August28°C / 83°F25°C / 76°F33 mm60%19%
September25°C / 76°F21°C / 70°F110 mm65%35%
October20°C / 69°F17°C / 63°F110 mm70%41%
November17°C / 62°F14°C / 57°F156 mm73%55%
December13°C / 55°F10°C / 50°F147 mm71%52%

What to pack for September

  • T-shirts plus a light layer for the evening
  • Comfortable trainers or sandals for long walks
  • A compact umbrella or packable rain jacket
  • Water-resistant shoes
  • Sunglasses
Full season-by-season packing guide →

Is September a good time to visit Dubrovnik?

Compare the months in the chart above to find your ideal window.

Best time to visit Dubrovnik →

Other Croatia cities in September

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Dubrovnik weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/croatia/dubrovnik/september
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Dubrovnik in September: quick answers

Is September a good time to visit Dubrovnik?

September is one of the wetter months in Dubrovnik, with about 110 mm of rain. You can still go: pack a rain jacket and keep plans flexible.

How warm is Dubrovnik in September?

Average highs are about 25°C (76°F) and average lows about 21°C (70°F), based on 10 years of daily data.

Does it rain a lot in Dubrovnik in September?

Dubrovnik typically gets around 110 mm of rain in September — wet.

Figures are long-term averages for the area around Dubrovnik (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.