Last updated: August 28, 2025
September in Kotor, Montenegro brings a delightful blend of warm days and cool nights, with temperatures peaking at a comfortable 30°C (86°F) while averaging around 19°C (66°F). As the summer wanes, early autumn introduces a refreshing drop to a minimum of 7°C (45°F) during the evenings. Visitors can expect a fair amount of rainfall, with 150 mm (5.9 in) of precipitation spread across about 10 days, contributing to an overall humidity level of 65%. This transitional month is perfect for enjoying the scenic beauty of Kotor while experiencing the subtle shift of the seasons.
In September, Kotor, Montenegro, begins to transition from the sizzling summer months to the cooler embrace of autumn. With a minimum temperature of 7°C (45°F) and an average hovering around 19°C (66°F), the weather remains pleasantly warm. The maximum temperature peaks at a comfortable 30°C (86°F), making it an ideal time for outdoor activities and exploration. This month marks a noticeable drop from the scorching heat of August, yet still offers ample sunshine for visitors to enjoy the breathtaking landscapes. As the days gradually shorten and the air begins to cool, September invites both relaxation and adventure in this stunning coastal town.
In September, Kotor experiences a notable shift in precipitation, with total rainfall reaching 150 mm (5.9 in), marking a transition from the drier summer months. This increase in rainfall, noted over 10 days of precipitation, sets the stage for a more vibrant autumn landscape. Compared to the lighter showers of August, where only 68 mm (2.7 in) fell, September brings a refreshing balance. This uptick can be seen as part of a broader trend where precipitation gradually rises as the year progresses toward winter, with Kotor seeing significantly heavier rains in the following months of October and November.
As summer gracefully yields to autumn, September in Kotor, Montenegro offers a refreshing shift in humidity, settling at a comfortable 65%. This marks a notable increase from the peak summer months of July and August, when the humidity dipped to a breezy 59% and 53%, respectively. The transition into fall hints at the return of more moisture-laden air, as the days grow cooler and the vibrant landscapes prepare for the impending seasonal change. While September's levels remain moderate, they pave the way for the higher humidity common in the later months, with October seeing a rise to 78%. This trend illustrates Kotor’s dynamic weather, offering visitors a unique blend of warmth and increasing moisture as the year winds down.
In September, Kotor, Montenegro experiences a UV Index of 7, categorizing it as high and suggesting a burn time of 25 minutes for unprotected skin. This marks a shift from the intense summer months of July and August, where the UV levels peaked at 10 and 9, respectively. As autumn approaches, the UV Index begins to gradually decline, yet remains significant compared to the earlier months. From January to April, UV levels were relatively lower, starting at just 2 in January, indicating a low exposure category, and gradually intensifying to a high level by April. The transition back down through October, with a moderate index of 5, reveals a seasonal reduction in ultraviolet radiation. For detailed insights into UV trends and safety measures, visit Kotor UV Index.
UV Risk Categories
As September arrives in Kotor, Montenegro, the region basks in 342 hours of radiant sunshine, marking a delightful transition from the peak summer months. After basking in the bright rays of 431 hours in July, sunlight begins to gently wane, yet September remains a jewel, favored for its warm temperatures and picturesque views. Following a high of 416 hours in June, the sunlit days gradually taper, but September still offers ample light, outshining October’s 314 hours. This trend showcases a vibrant early autumn, where visitors can enjoy the remnants of summer's warmth while embracing the beauty of Kotor’s stunning coastline.
As summer transitions into autumn, September in Kotor, Montenegro, brings with it a moderate chance of sunny weather, with approximately 55% likelihood of sunshine. This marks a notable shift from the peak summer months of July and August, which enjoy a blissful 76% and 75% chance of sun, respectively. As temperatures gradually cool, the sunny days in September offer a delightful balance, making it an inviting time to explore the stunning landscapes and rich history of Kotor. While the chance of sun does dip compared to the height of summer, it remains significantly higher than in the winter months, highlighting September as a beautiful blend of warmth and tranquility before the cooler autumn sets in.
September in Kotor, Montenegro marks a gentle transition as daylight begins to wane, with 12 hours of sunshine gracing the picturesque coastal town. After basking in an impressive 15 hours of light during the height of summer, this decrease signals the onset of autumn's embrace. The patterns of daylight reveal a rhythmic ebb and flow: starting the year with 9 hours in January, gradually building to a peak in June, and then gradually receding into shorter days through to December. This annual cycle not only highlights the changing seasons but also invites visitors to immerse themselves in the serene beauty of Kotor as it shifts into a quieter, golden-hued fall.
As summer fades into autumn, September in Kotor, Montenegro brings a gentle lull in the air, marked by a modest average wind speed of 1.7 m/s (4 mph). This shift is a continuation of the trend seen since June, where winds diminish gradually, offering a tranquil atmosphere perfect for enjoying the stunning coastal views. As the year progresses, the winds show a slight resurgence in October, climbing back to 2.1 m/s (5 mph). This rhythmic ebb and flow not only enhances Kotor's serene charm but also sets an inviting stage for leisurely strolls along its beautiful waterfront, where the soft breeze whispers tales of the changing season.
Weather in Kotor varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kotor, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present striking contrasts in weather conditions. In September, temperatures range from a cool 7°C (45°F) to a warm 30°C (86°F), with an average of 19°C (66°F) and relatively moderate humidity at 65%. However, this month also sees significant rainfall, with about 150 mm (5.9 in) spread over approximately 10 days. In stark contrast, January experiences much colder temperatures, with a range from a frigid -14°C (6°F) to a maximum of 15°C (59°F) and an average of just 3°C (38°F). This winter month is characterized by higher humidity at 88% and more precipitation, totaling 179 mm (7.1 in) across 11 rainy days. For a detailed look at weather patterns during this chilly month, visit Kotor weather in January.
In September, the weather is relatively warm, with temperatures ranging from a cool 7°C (45°F) to a pleasant average of 19°C (66°F) and reaching up to 30°C (86°F) on warmer days. With an average precipitation of 150 mm (5.9 in) over about 10 days, the humidity stands at a more moderate 65%, making it a comfortable month for outdoor activities.
In contrast, February brings much colder conditions, with temperatures dropping to a minimum of -8°C (17°F) and an average of just 6°C (43°F), peaking at 19°C (66°F) during warmer spells. This month sees higher precipitation levels at 241 mm (9.5 in) across 13 days and significantly increased humidity at 82%, resulting in a distinctly chillier and wetter atmosphere. For those interested in the weather specifics during this winter month, more details can be found at Kotor weather in February.
September and March exhibit contrasting weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 30°C (86°F), with an average of 19°C (66°F) and a moderate humidity of 65%. The month experiences around 150 mm (5.9 in) of precipitation over approximately 10 days. Conversely, March is much cooler, with temperatures ranging from -7°C (19°F) to 20°C (68°F), and an average temperature of 8°C (46°F). It also has higher precipitation, totaling 232 mm (9.1 in) that falls over about 13 days, coupled with increased humidity at 79%. For more detailed information, visit Kotor weather in March.
September generally offers warmer weather compared to April, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 30°C (86°F), while April experiences cooler temperatures, peaking at 25°C (76°F) with a minimum of -3°C (27°F). Despite the milder temperatures in April, it has a slightly higher humidity level at 75%, compared to September's 65%. Precipitation is similar in both months, with September receiving about 150 mm (5.9 in) over approximately 10 days, while April sees around 155 mm (6.1 in) spread across 13 days. For more details on April weather, check out Kotor weather in April.
In comparing the weather of September and May, we can see notable differences in temperature and precipitation patterns. September typically features warmer temperatures, with averages around 19°C (66°F) compared to May's cooler average of 15°C (60°F). The maximum temperature in September can reach up to 30°C (86°F), while May has a maximum of 27°C (81°F). However, May experiences slightly more precipitation, totaling 179 mm (7.0 in) over 17 days, compared to September's 150 mm (5.9 in) over 10 days. Additionally, humidity levels are higher in May at 74%, compared to 65% in September. This information can be further explored at Kotor weather in May.
When comparing the weather in September and June, we notice some distinct differences. September typically experiences a minimum temperature of 7°C (45°F) and averages around 19°C (66°F), while June starts slightly warmer, with a minimum of 9°C (49°F) and an average of 20°C (68°F). The maximum temperatures also reveal a trend, as June can peak at 32°C (90°F), making it hotter than September's maximum of 30°C (86°F). Rainfall patterns differ as well, with September receiving more precipitation at 150 mm (5.9 in) over about 10 days compared to June's 91 mm (3.6 in) across 15 days. With humidity levels almost equal—65% in September and 66% in June—it's safe to say that both months offer a blend of warm days and occasional rain, but June tends to be warmer and drier overall. For more details, visit Kotor weather in June.
In comparing the weather between July and September, July typically enjoys warmer temperatures, with averages around 22°C (73°F) and maximums reaching up to 34°C (93°F). In contrast, September experiences a slightly cooler average of 19°C (66°F), though it can still peak at 30°C (86°F). Additionally, July has lower precipitation levels, measuring about 83 mm (3.3 in) over 10 days, while September faces higher rainfall, totaling 150 mm (5.9 in) also over 10 days. Humidity levels are also a bit higher in September at 65%, compared to July's 59%. For more information, you can refer to Kotor weather in July.
The weather in September is generally cooler and more variable compared to August. While August boasts warmer temperatures with a minimum of 14°C (58°F) and an average of 23°C (74°F), September sees a broader range with temperatures dropping to a minimum of 7°C (45°F) and averaging around 19°C (66°F). Additionally, September experiences significantly more precipitation, with 150 mm (5.9 in) over 10 days, compared to August's 68 mm (2.7 in) over 11 days. Furthermore, humidity levels are higher in September at 65%, contrasting with August's lower humidity of 53%. For more details on August weather, you can check Kotor weather in August.
September and October exhibit notable differences in weather conditions. September boasts a warmer average temperature of 19°C (66°F), with highs reaching up to 30°C (86°F). The month experiences 150 mm (5.9 in) of rainfall over approximately 10 days and maintains a humidity level of around 65%. In contrast, October sees a dip in temperatures, with average highs of 14°C (57°F) and a maximum of 24°C (76°F). Precipitation rises to 213 mm (8.4 in) over 9 days, and humidity increases to 78%, creating a distinctly cooler and wetter atmosphere. For more detailed insights, you can check Kotor weather in October.
September and November present notable contrasts in weather conditions. In September, temperatures range from a mild minimum of 7°C (45°F) to a pleasant maximum of 30°C (86°F), with an average of 19°C (66°F). The month experiences about 150 mm (5.9 in) of precipitation over approximately 10 days, accompanied by a moderate humidity level of 65%. In stark comparison, November brings significantly cooler conditions, with temperatures dropping to a minimum of 0°C (33°F) and averaging at just 10°C (51°F), while the maximum reaches 22°C (71°F). This month is also marked by increased precipitation, totaling 363 mm (14.3 in) over 13 rainy days and a higher humidity of 85%. For more detailed information, you can check Kotor weather in November.
In September, the weather typically presents a warm and pleasant atmosphere, with average temperatures around 19°C (66°F) and highs reaching up to 30°C (86°F). However, as the month progresses, it is also marked by significant rainfall, accumulating about 150 mm (5.9 in) over approximately 10 days, contributing to a humidity level of 65%.
In stark contrast, December brings much cooler conditions, with an average temperature dropping to 6°C (43°F) and maximums only reaching 15°C (59°F). This month is also characterized by a higher level of precipitation, totaling 354 mm (13.9 in) across 15 days, resulting in increased humidity at 86%. For more detailed information, check out Kotor weather in December.
As September unfolds in Kotor, the weather presents a delightful transition from the scorching summer heat, with temperatures averaging a comfortable 19°C (66°F). While daytime highs can still reach a maximum of 30°C (86°F), the evenings bring a refreshing coolness, making them ideal for leisurely strolls along the stunning coastline. Unlike the more humid summer months, September enjoys a balanced humidity level of 65%, though it also sees a bit more rainfall, averaging around 150 mm over about 10 days. This blend of milder temperatures and occasional showers creates a unique charm, making it a wonderful time to explore Kotor. For more insights into the region's climate, visit Kotor Climate.