September Weather in Bar, Montenegro

Last updated: August 28, 2025

September in Bar, Montenegro offers a delightful blend of warm temperatures and refreshing sea breezes. With highs reaching up to 30°C (86°F) and an average of 23°C (74°F), this coastal gem is perfect for enjoying the last rays of summer. As the month progresses, temperatures dip to a comfortable 15°C (59°F) at night, making for pleasant evenings. Although 151 mm (5.9 in) of precipitation falls over approximately 7 days, the humidity hovers around 67%, ensuring the air remains fresh and invigorating. Whether you're exploring the vibrant local culture or basking by the azure waters, September showcases Bar's enchanting allure.

September Temperature in Bar

In September, Bar, Montenegro, experiences a delightful transition as summer begins to wane. With minimum temperatures around 15°C (59°F) and a comfortable average of 23°C (74°F), it's an ideal time for outdoor activities without the sweltering heat of peak summer. The maximum highs can reach 30°C (86°F), providing plenty of warmth for beachgoers and sun seekers. As the month progresses, the days gradually become cooler, signaling the approach of autumn, yet the lingering warmth makes it one of the pleasant months to explore this coastal gem. Overall, September’s mild temperatures create a perfect blend of summer's end and fall's embrace, inviting visitors to enjoy the last stretches of sunshine before winter settles in.

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

The chart illustrates September temperature patterns in Bar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In 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).
JanFebMarAprMayJunJulAugSepOctNovDec485153586573778073666153
Data source: Temperature data for 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 Bar

September in Bar, Montenegro, marks a significant increase in precipitation, with 151 mm (5.9 in) of rainfall recorded over 7 days. After the dry summer months of June, July, and August, which saw minimal rainfall of 32 mm (1.2 in), 38 mm (1.5 in), and 44 mm (1.7 in) respectively, early autumn brings a refreshing shift. This surge in precipitation sets the stage for the wetter months ahead, as October and November ramp up to 206 mm (8.1 in) and a striking 340 mm (13.4 in), respectively. The gradual increase in rain throughout the year reflects a clear transition towards the wetter autumn climate that embraces Bar, providing vital water replenishment for the region's lush landscapes.

September Precipitation Trends in Bar

The chart displays monthly precipitation patterns in 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 Bar, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec197186193126136323844151206340383
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bar

As the summer heat begins to wane, September in Bar, Montenegro presents a refreshing shift with humidity levels at 67%. This marks a slight increase from the drier months of July and August, which recorded their lowest humidity levels at 63% and 58%, respectively. As the year progresses, humidity levels gradually climb, rising back toward the autumn averages seen in October and November, which hover around the 74% to 82% range. September, therefore, serves as a transition month, where the lingering warmth of summer meets the crispness of fall, making it a comfortable time to enjoy the coastal beauty of Bar.

September Average Humidity in Bar

This chart illustrates the average monthly humidity levels in 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 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 Bar

As September rolls around in Bar, Montenegro, the UV Index sees a notable shift, settling at 7, which falls into the high exposure category and allows for a burn time of approximately 25 minutes. This is a slight decline from the peak summer months of June, July, and August, which consistently held a UV Index of 9, classified as very high. After the intense summer sun, September offers a more moderate yet still potent sun exposure, mirroring similar trends seen in April and May. Transitioning into autumn, the UV intensity decreases further in October, suggesting a gradual move towards a safer sun experience. However, it's essential to remain vigilant, as UV levels can still pose risks during this time. For more details, check out the Bar UV Index.

Maximum UV Index Levels in Bar for September

The chart shows the monthly maximum UV Index (UVI) for 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 Bar typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246789997532
Data source: 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 Bar

As September unfolds in Bar, Montenegro, the lingering warmth of summer remains palpable, offering an ample 346 hours of sunshine. This marks a gentle decline from the sun-drenched days of July and August, yet it still boasts an impressive glow compared to the earlier months. The trend throughout the year reveals a steady increase in sunlight leading up to peak summer, with hours gradually dwindling as autumn sets in. May and June stand out as vibrant transitional months, while December and January bring a stark contrast, wrapping the year in cooler shades of less sunlight. Despite the upcoming cooler days, September in Bar shines as a splendid reminder of summer’s warm embrace.

Monthly Sunshine Duration in Bar: September Highlighted

The September sunshine duration represents the total number of hours 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.
JanFebMarAprMayJunJulAugSepOctNovDec195h253h321h353h405h417h432h402h346h312h245h238h
Data source: Bar September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bar During September

When considering the likelihood of sunny weather in September in Bar, Montenegro, the chance of sunshine stands at a promising 59%. This figure reflects a notable dip from the peak summer months of July and August, where the sun shines brightly over 82% and 81% of the time, respectively. However, September continues to enjoy a favorable climate, falling in line with the transition into autumn while still offering a higher probability of sun compared to the spring months. As the year progresses, the likelihood of clear skies seems to diminish, particularly as winter approaches; thus, September offers a delightful window for those seeking lingering warmth and sunshine before the cooler months set in.

Percentage of Sunny Days in September in Bar

The chart illustrates the percentage of sunny days in 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 Bar experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%52%52%48%54%76%82%81%59%52%29%45%
Data source: Bar September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bar in September

As summer fades, September in Bar, Montenegro, offers a gentle transition with 12 hours of daylight, marking a subtle yet noticeable decrease from the vibrant 14 hours enjoyed in June. This month encapsulates the lingering warmth of late summer, as sunshine slowly yields to the cool embrace of autumn. Following a gradual increase since January, where daylight lasts only 9 hours, September signals the onset of shorter days ahead, leading into October's 11 hours and November's return to the cozy, overcast ambience with just 9 hours of light. This rhythmic ebb and flow of daylight reflects the beautiful seasonal shift, inviting both locals and visitors to relish the last sun-soaked moments before the winter hush.

Average Daylight Hours in Bar for September

The chart illustrates the variation in daylight duration in 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: Bar daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bar

As summer fades into autumn in Bar, Montenegro, the September wind gently whispers a change with an average speed of 2.9 m/s (6 mph). This marks a subtle decline from the balmy summer months, where the winds lingered at a steady 3.0 m/s (7 mph) in August. Interestingly, September's breeze initiates a pattern of revitalization, as the wind speeds begin to pick up again in October, reaching 4.1 m/s (9 mph). This transition not only reflects the shifting seasons but also hints at the invigorating gusts that await in the coming months. With the arrival of autumn, Bar's climate creates a harmonious blend of warmth and coolness, making it a delightful time for visitors to experience the captivating landscapes along the Adriatic coast.

Average September Wind Speed in Bar

The chart displays monthly wind speed patterns in 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.44.24.13.63.32.82.83.02.9 m/s4.14.65.1
Data source: Bar September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bar Compares to Other Months

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

In September, the weather is typically warmer, with average temperatures around 23°C (74°F) and maximums reaching up to 30°C (86°F), making it a pleasant time for outdoor activities. However, this month also bears a fair amount of rain, with around 151 mm (5.9 in) of precipitation over about 7 days and a humidity level of 67%. In contrast, January presents a starkly different climate, characterized by much cooler temperatures, with averages of 9°C (48°F) and maximums peaking at 15°C (59°F). This winter month sees higher precipitation at 197 mm (7.8 in) over roughly 11 days, alongside increased humidity of 83%. For a closer look at the winter weather, you can visit Bar weather in January.

September and February present distinctly different weather patterns. In September, temperatures range from a pleasant minimum of 15°C (59°F) to a maximum of 30°C (86°F), with an average of 23°C (74°F). The month also experiences moderate rainfall, totaling 151 mm (5.9 in) over about 7 days, accompanied by humidity levels around 67%. In contrast, February is much cooler, with temperatures dipping as low as 0°C (33°F) and peaking at 16°C (61°F), averaging 11°C (51°F). Precipitation increases slightly to 185 mm (7.3 in) over 11 days, and humidity rises to 75%. For a deeper dive into February's weather specifics, check Bar weather in February.

In September, the weather tends to be warmer with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 30°C (86°F), averaging around 23°C (74°F). This month experiences about 151 mm (5.9 in) of precipitation over approximately 7 days, contributing to a humidity level of 67%. In contrast, March presents a much cooler climate, with temperatures starting at a minimum of 4°C (39°F), peaking at 18°C (64°F), and averaging around 12°C (53°F). Rainfall is more frequent, totaling 193 mm (7.6 in) across about 12 days, resulting in slightly higher humidity at 74%. For more detailed insights on March weather, check Bar weather in March.

September weather features warmer temperatures, with an average of 23°C (74°F) and a max of 30°C (86°F), making it significantly milder compared to April's cooler average of 14°C (58°F) and maximum of 25°C (77°F). While September experiences a higher humidity level of 67%, April has a slightly elevated humidity at 74%, despite being generally cooler. Both months see considerable rainfall, with September receiving 151 mm (5.9 in) over 7 days, while April records 126 mm (5.0 in) spread across 10 days. For a closer look at weather specifics in April, you can visit Bar weather in April.

September offers warmer temperatures compared to May, with an average of 23°C (74°F) and peak highs reaching 30°C (86°F), while May’s average stands at 19°C (66°F) with a maximum of 26°C (78°F). Both months experience notable precipitation, but September sees slightly more rain at 151 mm (5.9 in) over 7 days, compared to May, which has 136 mm (5.3 in) across 10 days. Humidity levels are higher in May at 75%, compared to 67% in September, making the latter month feel a bit more comfortable. For more detailed insights about the weather in May, check out Bar weather in May.

In comparing the weather between September and June, both months boast similar average temperatures, with September ranging from a minimum of 15°C (59°F) to a maximum of 30°C (86°F), while June has a slightly lower range, with temperatures from 14°C (58°F) to 29°C (85°F). However, September experiences significantly higher precipitation levels at 151 mm (5.9 in) over 7 days, compared to June's much drier conditions with only 32 mm (1.2 in) over 5 days. Humidity remains fairly consistent in both months, with September at 67% and June slightly higher at 68%. For a detailed look at the weather patterns in June, you can visit Bar weather in June.

In comparing the weather of September and July, we see some notable differences. July tends to be slightly warmer, with average temperatures around 25°C (78°F) and maximums reaching up to 31°C (88°F), while September has a cooler average of 23°C (74°F) and max temperatures peaking at 30°C (86°F). July experiences less precipitation, with only 38 mm (1.5 in) over just 2 days, whereas September is much wetter with 151 mm (5.9 in) spread over 7 days, contributing to a higher humidity level of 67% compared to July's 63%. For more detailed insights on Bar's July weather, you can check out this link: Bar weather in July.

In comparing the weather of September to August, we observe some notable differences. September experiences a slightly lower temperature range, with minimums of 15°C (59°F) and averages of 23°C (74°F), compared to August's warmer minimum of 20°C (69°F) and average of 26°C (80°F). While August showcases a maximum temperature of 32°C (89°F), September's peak reaches 30°C (86°F). Additionally, September is significantly wetter, receiving 151 mm (5.9 in) of precipitation over 7 days, in stark contrast to August's 44 mm (1.7 in) over just 2 days. Furthermore, the increased humidity in September at 67% compared to August’s 58% adds to the mugginess as the month progresses. For a more detailed look at August weather, you can visit Bar weather in August.

In September, the weather tends to be warmer, with average temperatures around 23°C (74°F) and maximums reaching 30°C (86°F). This month experiences a fair amount of rainfall, totaling 151 mm (5.9 in) over approximately 7 days, coupled with a humidity level of 67%. In contrast, October sees cooler temperatures, with an average of 19°C (66°F) and a maximum of 26°C (78°F). Rainfall increases to 206 mm (8.1 in) spread over 9 days, and humidity rises slightly to 74%. For more details on October weather, you can check out Bar weather in October.

In comparing the weather between September and November, September tends to be warmer and drier. With average temperatures ranging from 15°C (59°F) to a maximum of 30°C (86°F) and only 151 mm of precipitation over approximately 7 days, September provides a pleasant climate for outdoor activities. In contrast, November sees a significant drop in temperatures, with averages between 8°C (47°F) and 22°C (72°F). It is also much wetter, experiencing 340 mm of rainfall over about 13 days. Additionally, November's humidity levels rise to 82%, contributing to a cooler and more damp atmosphere. For more detailed insights into November weather, you can visit Bar weather in November.

In September, the weather is relatively warm, with average temperatures around 23°C (74°F) and highs reaching up to 30°C (86°F). The month experiences moderate rainfall, totaling about 151 mm (5.9 in) over approximately 7 days, accompanied by a humidity level of 67%. In contrast, December brings a distinct chill, with average temperatures dropping to 12°C (53°F) and a maximum of 17°C (63°F). Precipitation significantly increases to 383 mm (15.1 in), occurring over 15 days, and humidity rises to 82%. For a detailed comparison, you can check the Bar weather in December.

Compare Bar's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bar

As September unfolds in Bar, the weather offers a delightful transition from the summer heat, showcasing a perfect blend of warmth and moderation. Unlike the peak summer months, where temperatures soar, September features a more comfortable average, encouraging outdoor activities amidst vibrant landscapes. The increased humidity contributes a refreshing feel, despite a few rainy days, which bring the much-needed precipitation to the area. This unique blend of sunshine and occasional showers makes September an ideal month for visitors seeking to experience a less crowded yet enchanting side of Bar. For more insights, check out the detailed Bar Climate.