September Weather in Stari Bar, Montenegro

Last updated: August 28, 2025

September in Stari Bar, Montenegro offers a delightful transition from summer to autumn, with maximum temperatures reaching a cozy 32°C (90°F) and an average of 23°C (73°F). As the warm days unfold, minimum temperatures dip to a refreshing 14°C (57°F) during the cooler evenings. With 147 mm (5.8 in) of rainfall over 7 days, visitors can expect occasional showers, contributing to the vibrant landscapes that surround the historic town. At a comfortable humidity level of 67%, the climate invites exploration, making it an ideal time to enjoy the picturesque coastal views and rich cultural heritage of this charming destination.

September Temperature in Stari Bar

As September unfolds in Stari Bar, Montenegro, the warmth of summer gracefully lingers, with temperatures ranging from a delightful 14°C (57°F) at night to a comfortable 32°C (90°F) during the day's peak. The average temperature of 23°C (73°F) creates an inviting atmosphere for wandering the charming streets or relaxing by the Adriatic Sea. This month marks a gentle transition, as it begins to cool slightly compared to the sweltering heights of July and August, yet still offers plenty of sunshine and mild evenings, making it an ideal time for outdoor exploration and cultural experiences. Whether soaking up the remnants of summer or embracing the hints of autumn, September in Stari Bar offers a beautifully balanced climate perfect for enjoying this coastal gem.

September Weather in Stari Bar: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Stari Bar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stari Bar, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec455053596674788073655951
Data source: Temperature data for Stari Bar generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Stari Bar

In September, Stari Bar, Montenegro, experiences a noticeable shift in precipitation, with 147 mm (5.8 in) of rain over 7 days. This marks a significant increase compared to the drier summer months, as the region transitions towards the wetter autumn season. While June through August boast minimal rainfall of just over 1.4 in to 1.7 in, September’s downpours signal the onset of more frequent and substantial pre-winter rains. The month serves as a bridge, preparing the landscape for the heavier precipitation that follows in October and November, leading up to the peak of 376 mm (14.8 in) in December. This trend highlights Stari Bar's climatic transition from dry summer heat to the invigorating, rain-kissed atmosphere of fall, enriching both the environment and the local culture.

September Precipitation Trends in Stari Bar

The chart displays monthly precipitation patterns in Stari Bar, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Stari Bar, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec200195202123155343943147193310376
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Stari Bar

In Stari Bar, Montenegro, September marks a transition in humidity levels as the summer warmth begins to wane. With humidity reaching 67%, the month experiences a noticeable increase compared to the dry summer months of July and August, which recorded 63% and 58%, respectively. As the autumn approaches, the humidity starts to rise again, reminiscent of the higher levels seen in early spring and late fall, where values hover around the 70s%. This dynamic shift not only brings a refreshing feel to the air but also contributes to the vibrant beauty of the region as nature prepares for the cooler months ahead.

September Average Humidity in Stari Bar

This chart illustrates the average monthly humidity levels in Stari Bar, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Stari Bar is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%75%74%74%75%68%63%58%67%74%82%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Stari Bar

As summer gives way to autumn, the September UV Index in Stari Bar, Montenegro, sees a decrease to 7, placing it in the high exposure category. This marks a transition from the summer months, where the UV Index peaked at 9, indicating very high exposure and a much shorter burn time of just 15 minutes. In September, sun seekers can enjoy more time outdoors with a burn time of 25 minutes, while still remaining vigilant against UV radiation. This trend reflects the gradual cooling of the season, making it a great time for outdoor activities without the intense sun. For a detailed view of the UV Index throughout the year, check out Stari Bar UV Index.

Maximum UV Index Levels in Stari Bar for September

The chart shows the monthly maximum UV Index (UVI) for Stari Bar in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Stari Bar typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246789997532
Data source: Stari Bar September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Stari Bar

In Stari Bar, Montenegro, September offers a delightful transition as it basks in 345 hours of sunshine—a generous amount that reflects the lingering warmth of summer. Following the peak summer months of June and July, which boast over 400 hours of sun, September strikes a balance, gracefully tapering off while still inviting visitors to enjoy its charming landscapes and vibrant culture. This gradual decline continues into October and November, demonstrating a clear trend of diminishing daylight as the year progresses, yet the pleasant weather remains enticing enough to extend outdoor adventures and leisurely beach days just a little longer.

Monthly Sunshine Duration in Stari Bar: September Highlighted

The September sunshine duration represents the total number of hours Stari Bar experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec190h249h317h352h402h414h432h402h345h313h246h230h
Data source: Stari Bar September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Stari Bar During September

In Stari Bar, Montenegro, the likelihood of sunny weather in September is quite promising, with a 59% chance of sunshine. This marks a noticeable uplift from the earlier months, such as April and May, where the chances hover around the mid-40s. As summer transitions into autumn, the sun-soaked days of June, July, and August gradually ease but still leave behind a favorable climate. September's weather reflects a gentle decline from the summer peak, yet it remains significantly sunnier than the winter months, suggesting it's a wonderful time for visitors to enjoy the picturesque surroundings and pleasant temperatures.

Percentage of Sunny Days in September in Stari Bar

The chart illustrates the percentage of sunny days in Stari Bar throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Stari Bar experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%53%51%47%53%75%82%81%59%52%30%44%
Data source: Stari Bar September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Stari Bar in September

As summer gracefully transitions into autumn, September in Stari Bar, Montenegro witnesses a charming shift in daylight, offering approximately 12 hours of sunshine. This marks a gentle decline from the sun-drenched highs of 15 hours in June and 14 hours in July and August. September's daylight serves as a beautiful bridge, allowing visitors to bask in the fading warmth while enjoying longer evenings. With a steady reduction in daylight through the months, from 13 hours in August to an anticipated 11 hours in October, the days become shorter yet still rich in light, inviting both relaxation and exploration as the landscape prepares for the change of seasons.

Average Daylight Hours in Stari Bar for September

The chart illustrates the variation in daylight duration in Stari Bar throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 29m10h 34m11h 57m13h 22m14h 34m15h 10m14h 51m13h 47m12h 26m11h 1m9h 47m9h 8m
Data source: Stari Bar daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Stari Bar

In September, the winds in Stari Bar, Montenegro linger gently at an average speed of 2.3 m/s (5 mph), maintaining the calm that characterizes the summer's end. This slight decrease from the warm breezes of August suggests a transition into the fall season, where the air begins to cool down. Interestingly, as the year progresses, an upward trend in wind speeds can be observed, with October and November bringing brisker conditions of 3.2 m/s (7 mph) and 3.4 m/s (8 mph) respectively. This shift from summer's tranquility to the invigorating whispers of autumn is a reminder of the changing seasons, making September a perfect time to enjoy the serene coastal beauty of Stari Bar.

Average September Wind Speed in Stari Bar

The chart displays monthly wind speed patterns in Stari Bar, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.03.23.12.72.52.22.22.42.3 m/s3.23.43.9
Data source: Stari Bar September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Stari Bar Compares to Other Months

Weather in Stari Bar varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Stari Bar, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present contrasting weather conditions. In September, temperatures range from a mild 14°C (57°F) to a warm maximum of 32°C (90°F), with an average of 23°C (73°F). The month sees a total precipitation of 147 mm (5.8 in) over about 7 days, combined with a humidity level of 67%. In stark contrast, January experiences much colder temperatures, ranging from a minimum of -6°C (22°F) to a maximum of 16°C (60°F), with an average of 7°C (46°F). Precipitation is higher during this month at 200 mm (7.9 in) across 11 days, coupled with a higher humidity of 83%. For more details, you can check out the Stari Bar weather in January.

September and February present two distinctly different weather patterns. In September, temperatures range from a mild 14°C (57°F) at night to a warm average of 23°C (73°F) during the day, peaking at a hot 32°C (90°F). This month experiences moderate rainfall, with about 147 mm (5.8 in) of precipitation over approximately 7 days and a humidity level of 67%. In contrast, February is significantly cooler, with temperatures dipping as low as 0°C (31°F) at night and averaging only 10°C (50°F) during the day, reaching a maximum of 18°C (65°F). This month sees more precipitation at 195 mm (7.7 in) over 11 days, and the humidity increases to 75%. For a closer look at February conditions, you can check out Stari Bar weather in February.

September and March present contrasting weather conditions, reflecting the unique transitions of late summer and early spring. In September, temperatures range from a minimum of 14°C (57°F) to a maximum of 32°C (90°F), with an average of 23°C (73°F), making it warmer and more conducive to outdoor activities. However, this month also sees considerable precipitation, totaling 147 mm (5.8 in) over about 7 days, coupled with a humidity level of 67%.

In contrast, March features cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 21°C (70°F), averaging around 11°C (53°F). It experiences even higher precipitation at 202 mm (8.0 in), but spread over more days, approximately 12 days, leading to a more humid atmosphere at 74%.

For a more detailed look at March weather, you can check out Stari Bar weather in March.

September and April present distinct weather characteristics, reflecting the transitional nature of these months. In September, temperatures range from a minimum of 14°C (57°F) to a maximum of 32°C (90°F), offering warm conditions with an average of 23°C (73°F). The month is comparatively wetter, with 147 mm (5.8 in) of precipitation over 7 days and humidity at 67%. In contrast, April experiences cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 27°C (82°F), resulting in an average of 15°C (59°F). Although it has slightly less precipitation—123 mm (4.8 in) over 11 days—April's humidity is higher at 74%. For more details on the weather in April, you can refer to Stari Bar weather in April.

In comparing the weather of September and May, September typically showcases warmer temperatures, with a minimum of 14°C (57°F) and an average reaching up to 23°C (73°F), while May starts off cooler, with a minimum of 11°C (53°F) and an average of 19°C (66°F). Both months experience considerable precipitation, but September has slightly less with 147 mm (5.8 in) over 7 days compared to May's 155 mm (6.1 in) over 12 days. Humidity levels are also notable, with September at 67% and May a bit higher at 75%. For a closer look at the weather specifics in May, visit Stari Bar weather in May.

In comparing the weather of September and June, we find that both months share similar temperature ranges, with minimums around 14°C (57°F), averages around 23°C (73°F), and maximums peaking at 32°C (90°F). However, September is noticeably wetter, receiving 147 mm (5.8 in) of precipitation over 7 days, compared to June's much drier 34 mm (1.4 in) across just 5 days. Humidity remains fairly consistent, with September at 67% and June slightly higher at 68%. For more detailed insights into the weather during this time, you can refer to Stari Bar weather in June.

In comparing the weather between September and July, September experience milder temperatures with a minimum of 14°C (57°F) and an average of 23°C (73°F), while July is noticeably warmer, with a minimum of 19°C (67°F) and an average of 26°C (79°F). July also boasts slightly higher maximum temperatures, reaching up to 33°C (91°F), compared to September's peak of 32°C (90°F). Precipitation in September is significantly higher, with 147 mm (5.8 in) over 7 days, contrasting with July's much drier conditions, which see only 39 mm (1.5 in) over just 2 days. Additionally, humidity levels are relatively comparable, with September at 67% and July at 63%. For a more detailed look at July weather, check out Stari Bar weather in July.

In August, the weather typically features warmer temperatures, with a minimum of 20°C (69°F) and an average high of 34°C (93°F), making it the hottest month of the summer. The humidity is relatively lower at 58%, and there is minimal precipitation, averaging just 42 mm (1.7 in) over only 2 days. In contrast, September sees a drop in both temperature and humidity; the minimum temperature is 14°C (57°F) and the average high reaches 32°C (90°F). Additionally, September experiences considerably more rainfall, totaling 147 mm (5.8 in) and occurring over 7 days. This transition marks September as a more variable weather month compared to the drier, hotter conditions of August. For a closer look, check out the detailed forecast: Stari Bar weather in August.

September and October present noticeable shifts in weather patterns. September typically features warmer temperatures, with highs reaching up to 32°C (90°F) and an average of 23°C (73°F), while October sees a drop in averages to 18°C (65°F) and a maximum of 27°C (80°F). Precipitation also increases from 147 mm (5.8 in) over 7 days in September to 193 mm (7.6 in) across 9 days in October, resulting in heightened humidity levels that rise from 67% to 74%. For a detailed look at October's weather in Stari Bar, visit Stari Bar weather in October.

September generally presents warmer temperatures, with daily averages around 23°C (73°F) and highs reaching up to 32°C (90°F), making it a pleasant month for outdoor activities. However, it does also see a notable amount of rainfall, averaging 147 mm (5.8 in) over about 7 days, and humidity sits at 67%. In contrast, November brings a significant drop in temperatures, with an average of 15°C (59°F) and maximums reaching only 24°C (75°F). This month is much wetter, with precipitation totaling 310 mm (12.2 in) over 13 days, and humidity increases to 82%, contributing to a more overcast atmosphere. For more detailed information, you can check Stari Bar weather in November.

September and December present stark contrasts in weather. In September, temperatures range from a mild 14°C (57°F) at night to a warm 32°C (90°F) during the day, with an average temperature of 23°C (73°F). This month experiences about 147 mm (5.8 in) of precipitation over roughly 7 days, and humidity levels average around 67%. In contrast, December sees a significant drop in temperatures, with nighttime lows reaching 3°C (37°F) and daytime highs peaking at just 18°C (64°F), averaging 10°C (51°F). Alongside the chillier temperatures, December is much wetter, with precipitation totaling 376 mm (14.8 in) across 16 days, contributing to higher humidity levels at 82%. For a more detailed perspective on December weather, you can check Stari Bar weather in December.

Compare Stari Bar's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Stari Bar

As summer transitions to autumn, September in Stari Bar offers a delightful shift in weather, characterized by warmer days and cooler nights. The month typically sees a pleasant average temperature that invites outdoor exploration, perfectly suited for enjoying the stunning coastal scenery. With higher humidity levels than some other months, the air carries a tropical feel, while the occasional rainfall – albeit limited to a few days – adds a refreshing touch to the landscape. This unique combination makes September an ideal time for travelers looking to enjoy a milder climate before the cooler autumn sets in. For more insights on what to expect, visit Stari Bar Climate.