Last updated: March 17, 2025
In September, the charming city of Dubrovnik, Croatia experiences a delightful climate that combines warm temperatures and moderate humidity. The maximum temperature can soar to 30°C (87°F), creating perfect conditions for exploring the stunning coastline. With an average of 21°C (70°F), the weather remains comfortably warm, while the minimum can dip to a cool 10°C (50°F) during the night. This month also sees a notable precipitation amount of 111 mm (4.4 in) spread over approximately 9 days, so visitors should be prepared for occasional showers. With humidity around 65%, outdoor adventures are best enjoyed earlier in the day, ensuring an unforgettable experience in this picturesque Mediterranean gem.
In September, Dubrovnik enjoys a delightful transition from the sweltering summer heat to the more temperate conditions of autumn. With temperatures ranging from a comfortable minimum of 10°C (50°F) to a pleasant average of 21°C (70°F), and peaking at a maximum of 30°C (87°F), this month strikes a perfect balance for outdoor enthusiasts and sightseeing lovers alike. As the peaks of summer give way to milder evenings, visitors can relish in the warm days while enjoying the vibrant atmosphere of the city without the summer crowds. Overall, September offers a wonderful climate that celebrates the beauty of Dubrovnik, making it an ideal time to explore its stunning landscapes and rich history.
In September, Dubrovnik experiences a refreshing transition as the summer heat begins to wane, marked by an average precipitation of 111 mm (4.4 in) across 9 rainy days. This not only signals a shift in the weather pattern but also brings a sense of renewal to the lush landscapes surrounding the city. Notably, the rainfall amount in September is a significant increase from the drier summer months of July and August, which see only 34 mm and 46 mm, respectively. As the month progresses, the precipitation levels start to creep upwards again, hinting at the onset of the wet season that follows in October and November. Overall, September strikes a balance between pleasant outdoor activities and occasional showers, making it a wonderful time to explore the beauty of Dubrovnik's historic sites amidst a backdrop of vibrant autumn colors.
As summer wanes into September, Dubrovnik experiences a transition reflected in its humidity levels. After the peak of August, where the air feels the driest at 53%, September sees a noticeable increase to 65%. This rise signals the onset of autumn, where the balmy coastal air begins to regain a touch of moisture. The trend continues into October, culminating in humidity levels reminiscent of the winter months, which hover around 78% and beyond. Despite the shift, September still offers a pleasant climate, balancing warmth with a touch of humidity, perfect for enjoying the stunning landscapes of this beautiful city.
As summer transitions into autumn, September in Dubrovnik sees a notable shift in the UV Index, dropping to 7, which falls into the high exposure category. This level indicates that while the sun's rays are still potent, it's more manageable compared to the scorching levels of the peak summer months, where indices reached 10. With a burn time of 25 minutes, visitors are encouraged to enjoy the outdoors while taking precautions against sun exposure. This trend highlights a gradual decline in intensity, yet September still offers sunny days ideal for exploring Dubrovnik’s enchanting coastline. For more information on the UV Index throughout the year, visit Dubrovnik UV Index.
UV Risk Categories
September in Dubrovnik, Croatia, offers a delightful blend of warmth and sunshine, with 346 hours of sunlight gracing the city. As summer transitions into autumn, the sunlit hours reflect a gradual decline from the peak of 435 hours in July. This month marks a shift towards more moderate temperatures, inviting visitors to bask in the remaining glow of summer. While the daylight hours decrease, September still boasts significantly more sun than the winter months, making it an ideal time to explore the stunning landscapes and rich history of Dubrovnik before the chill sets in. With its picturesque setting and vibrant atmosphere, September embodies the tail end of the sun-soaked season, allowing locals and tourists alike to savor the warmth one last time before the autumn breezes arrive.
In Dubrovnik, Croatia, September marks a delightful transition from the blazing summer months while still offering a favorable chance of sunny weather. With 59% of the days expected to be sunny, September enjoys a commendable position compared to the earlier months, showcasing a consistent trend of diminishing sunlight as the year progresses. This percentage comfortably sits between the peak summer months of July and August, where sunny days soar to 76% and 77% respectively. As autumn approaches, the chance of sunshine slightly dips from the summer's peak, but September remains far more sunlit than the dreary winter months. This balance makes it a perfect time for visitors seeking pleasant weather and fewer crowds, ensuring a lovely experience in this historic coastal gem.
As summer transitions into autumn, Dubrovnik experiences a notable shift in daylight duration throughout September, with the city enjoying 12 hours of sunlight. This marks a gentle decline from the vibrant 14 hours in May and June, reflecting the gradual retreat of summer's warmth. The trend of decreasing daylight continues as the month unfolds, offering visitors a beautiful blend of golden hour light perfect for exploring the historic architecture and stunning coastline. The city’s enchanting sunsets become slightly earlier, inviting both locals and tourists to savor the last remnants of the summer sun before autumn fully settles in.
As September arrives in Dubrovnik, the average wind speed gently drops to 2.4 m/s (5 mph), making it one of the calmest months of the year. Following the summer's light breezes in June and July, which hover around 2.5 m/s, this slight decrease signals the transition into autumn. Throughout the earlier months, Dubrovnik experiences relatively consistent winds, with only minor fluctuations. However, September's serene gusts invite visitors to leisurely stroll along the city’s stunning coastline and historic streets, basking in the fading warmth before the brisk breezes of October, which see a rise to 3.2 m/s (7 mph). This seasonal shift not only enhances the picturesque charm of Dubrovnik but also molds the overall atmosphere of the city, creating an inviting setting for both relaxation and exploration.
The weather in Dubrovnik changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Dubrovnik and find detailed weather information for every month.
September and January present stark contrasts in weather. In September, temperatures range from a mild 10°C (50°F) at night to a warm 30°C (87°F) during the day, accompanied by an average humidity of 65%. This month also sees about 111 mm (4.4 in) of rainfall over 9 days. In contrast, January experiences much colder conditions, with temperatures dipping to a minimum of -7°C (20°F) and only reaching a maximum of 16°C (61°F). The humidity rises to 88%, and precipitation slightly increases to 116 mm (4.6 in) over 11 days. For more details on January weather, check Dubrovnik weather in January.
September and February present striking contrasts in weather. In September, temperatures range from a mild 10°C (50°F) at their lowest to a warm 30°C (87°F) at their peak, with an average of 21°C (70°F). The month sees a total precipitation of 111 mm (4.4 in) over about 9 days, accompanied by a humidity level of 65%. In contrast, February offers a much cooler experience, with temperatures dipping as low as -3°C (27°F), averaging 8°C (47°F), and reaching highs of 18°C (66°F). The precipitation in February is also higher, totaling 162 mm (6.4 in) over approximately 10 days, with humidity rising to 82%. For a more detailed perspective on February's weather, you can refer to Dubrovnik weather in February.
September and March present contrasting weather profiles. In September, temperatures range from a mild 10°C (50°F) at night to a warm 30°C (87°F) during the day, with an average of 21°C (70°F), creating a pleasant late summer atmosphere. However, it also experiences about 111 mm (4.4 in) of rainfall over 9 days, and the humidity sits around 65%. In contrast, March is cooler, with temperatures ranging from a chilly -2°C (28°F) to a comfortable 21°C (71°F) and an average of 10°C (50°F). The month is slightly wetter, with 143 mm (5.6 in) of precipitation spread over 11 days, and higher humidity at 79%. For detailed insights into March weather specifically, you can visit Dubrovnik weather in March.
In comparing the weather of September and April, it’s clear that September generally offers warmer temperatures, with averages around 21°C (70°F) and maximums peaking at 30°C (87°F), while April sees lower averages of about 13°C (56°F) and maximums reaching 25°C (78°F). Both months witness significant rainfall, with September receiving 111 mm (4.4 in) over 9 days and April slightly more at 118 mm (4.6 in) over 10 days. Additionally, April tends to have higher humidity levels at 75%, compared to September’s 65%. For more specific details about the weather in April, you can check Dubrovnik weather in April.
September tends to be warmer than May, with average temperatures reaching around 21°C (70°F), as compared to May’s cooler average of 17°C (63°F). The warmer peak temperatures in September can reach up to 30°C (87°F), while May's highs max out at 28°C (82°F). Despite both months experiencing similar levels of precipitation—111 mm (4.4 in) in September and 108 mm (4.2 in) in May—September typically has fewer rainy days, averaging 9 compared to May's 13. Additionally, May experiences higher humidity levels at 74%, compared to September's 65%. For more details on the specifics of May weather, check out Dubrovnik weather in May.
June and September both feature mild temperatures, but carry distinct characteristics in terms of weather patterns. In June, the minimum temperature averages around 11°C (53°F), with daily highs reaching up to 32°C (90°F) and an average temperature of 22°C (71°F). The month has relatively low precipitation at 53 mm (2.1 in) over about 8 days, with humidity hovering around 66%. In contrast, September offers slightly cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 30°C (87°F), averaging 21°C (70°F). However, it sees higher precipitation levels at 111 mm (4.4 in) across 9 days and maintains similar humidity levels of 65%. For more detailed insights on June's climate, you can refer to Dubrovnik weather in June.
When comparing the weather in September to that of July, it's clear there are notable differences. September experiences a cooler temperature range with minimums around 10°C (50°F) and maximums reaching 30°C (87°F), while July boasts higher temperatures, with minimums of 15°C (60°F) and maximums peaking at 33°C (93°F). Additionally, September sees more precipitation, averaging 111 mm (4.4 in) over 9 days, compared to July's 34 mm (1.3 in) over just 4 days. Humidity levels are slightly higher in September at 65%, compared to July's 59%. For more detailed insights on July weather specifically, check out Dubrovnik weather in July.
September weather exhibits cooler temperatures compared to August, with a minimum of 10°C (50°F) and an average of 21°C (70°F), while August boasts a higher minimum of 16°C (61°F) and an average of 25°C (78°F). The maximum temperature in September reaches 30°C (87°F), which is significantly lower than August's peak of 34°C (94°F). Additionally, September experiences more precipitation, totaling 111 mm (4.4 in) over 9 days, compared to August's 46 mm (1.8 in) over just 6 days. The humidity also rises in September to 65%, in contrast to August's 53%. For more details, visit Dubrovnik weather in August.
September and October present distinct shifts in weather as autumn settles in. In September, temperatures range from a minimum of 10°C (50°F) to a maximum of 30°C (87°F), with an average of 21°C (70°F). This month sees moderate rainfall, totaling 111 mm (4.4 in) over 9 days, and humidity levels around 65%. In contrast, October experiences cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 24°C (76°F), resulting in an average of 16°C (61°F). Precipitation increases to 149 mm (5.9 in), also distributed over 9 days, and humidity rises to 78%. For more detailed information on October weather, visit Dubrovnik weather in October.
September generally offers warmer weather compared to November, with temperatures ranging from a cool 10°C (50°F) to a balmy 30°C (87°F) and an average of 21°C (70°F). In contrast, November sees a significant drop in temperature, with minimums falling to 1°C (35°F) and an average of just 13°C (55°F), peaking at 22°C (71°F). Additionally, September experiences lighter precipitation, totaling 111 mm (4.4 in) over 9 days, while November brings much heavier rainfall of 293 mm (11.6 in) spread across 14 days. The humidity levels also rise in November, reaching 85% compared to September's 65%, which can make the cooler days feel damp and chilly. For more detailed insights, check out Dubrovnik weather in November.
In September, the weather is generally warm, with temperatures ranging from a mild 10°C (50°F) at night to a comfortable average of 21°C (70°F) during the day, peaking at 30°C (87°F). The month sees around 111 mm (4.4 in) of precipitation over about 9 days, accompanied by a moderate humidity level of 65%. In contrast, December experiences much cooler conditions, with temperatures dipping to a minimum of 0°C (32°F) and averaging just 9°C (48°F), while the maximum reaches only 17°C (63°F). Precipitation significantly increases to 249 mm (9.8 in) over 16 days, and humidity rises notably to 86%. For more details on how December weather looks, check out Dubrovnik weather in December.
As summer gradually fades, September in Dubrovnik offers a delightful transition, blending warm days with cooler nights. With average temperatures hovering around a pleasant 21°C (70°F), visitors can still enjoy beach outings while also experiencing a refreshing breeze. However, this month marks a rise in precipitation compared to the arid summer months, bringing about 9 days of rainfall that contributes to the lush landscape. The humidity level of 65% adds a comfortable feel, ensuring that both sun-seekers and those exploring the charming streets of the old town can savor the beauty of Dubrovnik without the extreme heat of peak summer. For more detailed insights into the city's weather patterns, check out Dubrovnik Climate.