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Grad Dubrovnik (Dubrovnik)
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Weather in Grad Dubrovnik for September 2025

Your guide to Grad Dubrovnik weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Wind Warning - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Grad Dubrovnik is slightly cooler than the historical average by -0.9 °C.

  • Expect cooler weather in the next days in Grad Dubrovnik with the forecast suggesting a temperature of 23.1 °C, lower than the historical average.

  • In general, the average temperature in Grad Dubrovnik at the beginning of September is 26.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.7 °C by the end of September.

    • Rain 🌧️

  • Grad Dubrovnik experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 109.7 mm.

    • More

  • Is September a good time to visit Grad Dubrovnik? check out the best time to travel to Grad Dubrovnik page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
8
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/19°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
62 %
Avg humidity

Grad Dubrovnik Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
27°
2
Sunny
27°
3
Sunny
26°
4
Partly cloudy
26°
5
Patchy rain possible
27°
6
Sunny
28°
7
Sunny
27°
8
Sunny
27°
9
Moderate or heavy rain shower
26°
10
Patchy rain possible
25°
11
Sunny
25°
12
Sunny
26°
13
Sunny
26°
14
Sunny
24°
15
Sunny
25°
16
Sunny
25°
17
Weather Alert Sunny
25°
18
Weather Alert Sunny
26°
19
Sunny
26°
20
Sunny
26°
21
Sunny
26°
22
Sunny
25°
23
Patchy rain possible
24°
24
Moderate rain
22°
25
Moderate rain
20°
26
Patchy rain possible
21°
27
Patchy rain possible
21°
28
Patchy rain possible
21°
29
Moderate rain
20°
30
Patchy rain possible
20°

Temperatures trend during September in Grad Dubrovnik

See the weather trend as well as the moving average line

September weather in Grad Dubrovnik day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 27° /20° 1.5 mm 7
2 Sept. Sunny
Sunny
 27° /20° 0.1 mm 7
3 Sept. Sunny
Sunny
 26° /20° 0.2 mm 7
4 Sept. Partly cloudy
Partly cloudy
 26° /20° 1 mm 6
5 Sept. Patchy rain possible
Patchy rain possible
 27° /21° 0 mm 7
6 Sept. Sunny
Sunny
 28° /21° 5 mm 7
7 Sept. Sunny
Sunny
 27° /21° 0.1 mm 7
8 Sept. Sunny
Sunny
 27° /21° 0 mm 7
9 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 26° /21° 8.4 mm 6
10 Sept. Patchy rain possible
Patchy rain possible
 25° /20° 7.6 mm 6
11 Sept. Sunny
Sunny
 25° /19° 5.3 mm 6
12 Sept. Sunny
Sunny
 26° /19° 1.6 mm 7
13 Sept. Sunny
Sunny
 26° /19° 6.7 mm 7
14 Sept. Sunny
Sunny
 24° /19° 1.6 mm 6
15 Sept. Sunny
Sunny
 25° /19° 0.1 mm 6
16 Sept. Sunny
Sunny
 25° /19° 8.5 mm 6
17 Sept. Sunny
Sunny
 25° /19° 0.1 mm 1.2
18 Sept. Sunny
Sunny
 26° /17° 0 mm 1.5
19 Sept. Sunny
Sunny
 26° /20° 0 mm 1.4
20 Sept. Sunny
Sunny
 26° /21° 0 mm 1.4
21 Sept. Sunny
Sunny
 26° /22° 0 mm 1.7
22 Sept. Sunny
Sunny
 25° /21° 0 mm 6
23 Sept. Patchy rain possible
Patchy rain possible
 24° /21° 1 mm 5
24 Sept. Moderate rain
Moderate rain
 22° /20° 12.6 mm 5
25 Sept. Moderate rain
Moderate rain
 20° /18° 11.6 mm 4
26 Sept. Patchy rain possible
Patchy rain possible
 21° /17° 4 mm 4
27 Sept. Patchy rain possible
Patchy rain possible
 21° /18° 1.9 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 21° /18° 2.9 mm 4
29 Sept. Moderate rain
Moderate rain
 20° /17° 7.5 mm 4
30 Sept. Patchy rain possible
Patchy rain possible
 20° /16° 0.4 mm 4
Next
Important Notice
Our weather forecast for Grad Dubrovnik in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grad Dubrovnik forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Grad Dubrovnik weather in September vs August vs October

Compare September weather in Grad Dubrovnik with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherSunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temperatures29°/23°24°/19°20°/16°
Rainfall77 mm110 mm111 mm
Wind14.3 km/h16 km/h14.8 km/h
Humidity57%62%65%
Rainy days12 days22 days17 days
Dry days19 days8 days14 days

Planning a trip to Grad Dubrovnik? Discover the best time to visit

Grad Dubrovnik in September - FAQ

What are the expected maximum and minimum temperatures in Grad Dubrovnik during September?
During September, expect a variety of temperatures with highs around 24° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Grad Dubrovnik during September?
Significant rainfall exceeding 109.7 mm is expected in Grad Dubrovnik during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Grad Dubrovnik during September?
The average wind speed in Grad Dubrovnik during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

Grad Dubrovnik water temperatures in September

The average water temperature of the Adriatic Sea near Grad Dubrovnik in September is 23.4 °C. At the beginning of September temperatures are around 23.3 °C; by the end of the month they get warmer and reach 25.1 °C.

What is the water temperature in Grad Dubrovnik in September?
The average water temperature in Grad Dubrovnik in September is 23.4 °C.
Can you swim in Grad Dubrovnik in September?
Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.

What to pack to Grad Dubrovnik in September?

As you prepare for your trip to Grad Dubrovnik in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Grad Dubrovnik, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days

September rainfall patterns in Grad Dubrovnik

Explore the daily rainfall trends and prepare for Grad Dubrovniks September weather 💧

UV exposure in Grad Dubrovnik during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Grad Dubrovnik?

Get accurate weather forecasts for Grad Dubrovnik, located at latitude 42.641 and longitude 18.109. Stay updated with localized weather information tailored for Grad Dubrovnik.

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