The highest day temperature in September 2023 was 85°F. The lowest night temperature was 65°F. The average values for day and night temperatures during September were 81.1°F и 72.3°F respectivly.

The average sea surface temperature in September 2023 for Dubrovnik was 78.0°F. The maximum and minimum values were 75.6°F and 82.4°F respectively.

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation total in September for Dubrovnik is 2.9 in.

The average wind speed in September is 7.2 mph. It makes September one of the most windless months of the year for Dubrovnik.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Dubrovnik in September is 10.0 hours.