September Weather in Perast, Montenegro

Last updated: August 28, 2025

September in Perast, Montenegro offers a delightful blend of warm temperatures and refreshing sea breezes. With a maximum temperature reaching 30°C (86°F) and an average of 19°C (66°F), visitors can enjoy pleasant days suitable for exploring the charming coastal town. As the month progresses, expect some intermittent showers with a total precipitation of 150 mm (5.9 in) over approximately 10 days, adding to the region’s lush greenery. The humidity level sits around 65%, enhancing the coastal ambiance, making September an ideal time to experience the serene beauty of Perast.

September Temperature in Perast

As summer transitions into fall, September in Perast, Montenegro, offers a pleasant climate characterized by mild temperatures. The minimum temperatures drop to a comfortable 7°C (45°F), providing a refreshing change from the summer heat. With an average of 19°C (66°F), this month strikes a perfect balance, ideal for sightseeing and enjoying outdoor activities. The maximum temperatures reach a cozy 30°C (86°F), allowing for lingering days by the Adriatic Sea before autumn sets in. This gentle decline in warmth indicates not only the shift in seasons but also invites visitors to experience the beauty of Perast without the summer crowds, making it a delightful time to explore this charming coastal town.

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

The chart illustrates September temperature patterns in Perast, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Perast, 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).
JanFebMarAprMayJunJulAugSepOctNovDec384346526068727466575143
Data source: Temperature data for Perast generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Perast

In September, Perast, Montenegro experiences a notable shift in its weather patterns, marked by an average precipitation of 150 mm (5.9 in) over 10 days. This increase in rainfall follows the drier summer months, where August recorded only 68 mm and 2.7 in during 11 days. As autumn approaches, the precipitation levels begin to rise, foreshadowing the wetter months ahead, particularly October and November, which see significant upticks in rainfall—213 mm and 363 mm, respectively. This trend reflects the transition from the dwindling summer heat to the cooler, wetter fall, highlighting the Mediterranean climate's distinct seasonal changes in Perast.

September Precipitation Trends in Perast

The chart displays monthly precipitation patterns in Perast, 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 Perast, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec179241232155179918368151213363354
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Perast

In September, Perast, Montenegro experiences a noticeable shift in humidity levels, rising to 65% after the summer's lowest point of 53% in August. This increase marks a transition from the dry warmth of summer to the more comfortable, yet slightly more humid, early autumn climate. While still lower than the winter months, when humidity spikes significantly, this change hints at the approach of the rainy season. September's humidity reflects a balance between lingering warmth and the gradual cooling that kicks off the vibrant fall, inviting both locals and visitors to embrace the charming ambiance of this historical coastal town.

September Average Humidity in Perast

This chart illustrates the average monthly humidity levels in Perast, 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 Perast is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%79%75%74%66%59%53%65%78%85%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Perast

As summer transitions to autumn, September in Perast, Montenegro, marks a shift in the UV Index, which stands at a high level of 7. This indicates a moderate risk for unprotected skin, with an estimated burn time of 25 minutes. While September's UV exposure is lower than the intense summer months, which peak at a striking 10 in July, it remains essential to practice sun safety. The trend reflects a gradual decrease in UV intensity from very high levels in August, suggesting that visitors can still enjoy the sun while being mindful of their skin protection. For more information on UV levels throughout the year, visit Perast UV Index.

Maximum UV Index Levels in Perast for September

The chart shows the monthly maximum UV Index (UVI) for Perast 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 Perast typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467991097532
Data source: Perast 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 Perast

As summer gives way to autumn, September in Perast, Montenegro, still basks in a generous 345 hours of sunshine. While days grow shorter, the sun lingers warmly, offering a delightful transition from the peak illumination of July and August, which saw over 400 hours basking in its glow. This month marks a nostalgic end to the vibrant summer atmosphere, as sunlight gracefully wanes, promising a cozy embrace of October's cooler days ahead with its 314 hours of sun. The steady decline in sunshine hours from the summer months tantalizes visitors with the last of the season's warmth, making September a perfect time to explore the stunning landscapes of this picturesque coastal town before the chilly winds of winter arrive.

Monthly Sunshine Duration in Perast: September Highlighted

The September sunshine duration represents the total number of hours Perast 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.
JanFebMarAprMayJunJulAugSepOctNovDec192h248h320h353h403h416h431h403h345h314h243h230h
Data source: Perast September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Perast During September

In Perast, Montenegro, the chance of enjoying sunny weather in September stands at 55%, making it a delightful time for visitors seeking pleasant outdoor experiences. As the summer months wind down, the likelihood of sunshine remains substantial but diminishes from the peak of 76% in July and 75% in August. This gentle decline signals a transition towards autumn, while still offering a refreshing escape from the winter chill. The relatively high probability of sunny days allows travelers to relish the stunning Adriatic coastline and partake in the enchanting local culture, all under the glow of September sun.

Percentage of Sunny Days in September in Perast

The chart illustrates the percentage of sunny days in Perast 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 Perast experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%50%49%41%48%69%76%75%55%49%26%41%
Data source: Perast September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Perast in September

As summer fades into autumn, September in Perast, Montenegro offers a gentle transition with 12 hours of daylight. This marks a slight decrease from the sun-drenched 14 hours in May and 15 hours in June, highlighting the slow shift towards shorter days. The trend is a gradual descent from the longest days of summer, as nature begins to wind down, inviting visitors to savor the warm hues of early fall. While daylight hours dwindle, the enchanting ambiance of Perast remains vibrant, making this coastal gem an ideal spot for leisurely strolls and picturesque sunsets.

Average Daylight Hours in Perast for September

The chart illustrates the variation in daylight duration in Perast throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 27m10h 33m11h 57m13h 23m14h 36m15h 13m14h 53m13h 49m12h 26m11h9h 45m9h 6m
Data source: Perast daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Perast

As September arrives in Perast, Montenegro, the gentle breezes of summer begin to taper off, with the average wind speed dropping to 1.7 m/s (4 mph). This marks a noticeable decline from the preceding months, as the winds, typically mild in the summer, are now at their softest before the autumn transition. The trend reveals that while January to August maintain a consistent range between 1.8 to 2.5 m/s, September stands out as a serene interlude characterized by a tranquil atmosphere. As the winds prepare to pick up again in October, this month serves as a peaceful reminder of the stillness that often accompanies the onset of fall in this picturesque coastal town.

Average September Wind Speed in Perast

The chart displays monthly wind speed patterns in Perast, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.52.32.32.31.81.92.01.7 m/s2.12.42.5
Data source: Perast September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Perast Compares to Other Months

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

September and January present starkly contrasting weather conditions. In September, temperatures can range from a mild 7°C (45°F) at night to a warm 30°C (86°F) during the day, with average temperatures around 19°C (66°F). The humidity is relatively moderate at 65%, and the month experiences about 150 mm (5.9 in) of precipitation over approximately 10 days. In contrast, January brings much colder temperatures, with nighttime lows plummeting to -14°C (6°F) and daytime highs peaking at only 15°C (59°F). The average temperature sits at just 3°C (38°F), and the humidity is quite high at 88%. Additionally, precipitation increases slightly to 179 mm (7.1 in) over 11 days. For a more detailed look at the weather patterns in January, you can visit Perast weather in January.

September and February showcase starkly 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). This month also experiences moderate precipitation levels of 150 mm (5.9 in) over about 10 days, coupled with a humidity level of 65%. In contrast, February is notably colder, with temperatures ranging from a minimum of -8°C (17°F) to a maximum of 19°C (66°F) and an average of just 6°C (43°F). The month sees higher precipitation at 241 mm (9.5 in) across 13 days and increased humidity at 82%. For more details on this winter month, check out Perast weather in February.

September and March present contrasting weather patterns, shaped by their respective positions in the seasonal cycle. In September, temperatures range from a mild 7°C (45°F) to a warm 30°C (86°F), with an average of 19°C (66°F). The month sees about 150 mm (5.9 in) of precipitation over approximately 10 days and carries a moderate humidity level of 65%. In contrast, March experiences cooler temperatures, with a minimum of -7°C (19°F) and a maximum of 20°C (68°F), averaging 8°C (46°F). This month also tends to be wetter, receiving around 232 mm (9.1 in) of rain across about 13 days and higher humidity levels of 79%. For those interested in specifics, additional details can be found here: Perast weather in March.

When comparing September and April weather, it's clear that September offers warmer temperatures overall, ranging from a minimum of 7°C (45°F) to a maximum of 30°C (86°F), with an average of 19°C (66°F). In contrast, April experiences cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 25°C (76°F), averaging 11°C (53°F). Both months receive a fair amount of precipitation, with September having 150 mm (5.9 in) over about 10 days, while April sees a slightly higher total of 155 mm (6.1 in) spread across 13 days. Additionally, humidity is higher in April at 75%, compared to September's 65%. For those interested in more details about this month's weather patterns, you can check out Perast weather in April.

September typically boasts warmer temperatures compared to May, with averages around 19°C (66°F) and highs reaching up to 30°C (86°F), while May sees an average of 15°C (60°F) and a maximum of 27°C (81°F). However, September experiences slightly lower precipitation, averaging 150 mm (5.9 in) over about 10 rainy days, whereas May is wetter with 179 mm (7.0 in) across 17 days. The humidity is also higher in May at 74%, compared to September's 65%, making May feel a bit more sultry. For more detailed insights into May's climate, you can explore Perast weather in May.

In comparing the weather of September and June, we notice several distinctions. September experiences slightly warmer temperatures, with a minimum of 7°C (45°F), an average of 19°C (66°F), and a maximum of 30°C (86°F). In contrast, June has a minimum temperature of 9°C (49°F), an average of 20°C (68°F), and can peak at 32°C (90°F). Additionally, June tends to be drier, accumulating 91 mm (3.6 in) of precipitation over about 15 days, while September is wetter, with 150 mm (5.9 in) of rain over 10 days, despite similar humidity levels hovering around 65-66%. For a closer look at June weather patterns, visit Perast weather in June.

September weather tends to be milder than July, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 30°C (86°F), compared to July's warmer range of 13°C (56°F) to 34°C (93°F). Additionally, September experiences more rainfall, totaling 150 mm (5.9 in) over 10 days, while July sees less precipitation at 83 mm (3.3 in) over the same number of days. Humidity levels are slightly higher in September at 65%, compared to 59% in July. For more details, you can check Perast weather in July.

In comparing the weather of September and August, September presents a cooler profile with a minimum temperature of 7°C (45°F) and an average of 19°C (66°F), whereas August remains warmer, featuring a minimum of 14°C (58°F) and an average of 23°C (74°F). The maximum temperatures also reflect this trend, peaking at 30°C (86°F) in September compared to August's hotter 33°C (92°F). Precipitation is significantly higher in September, with 150 mm (5.9 in) over approximately 10 days, contrasting with August's 68 mm (2.7 in) across 11 days, suggesting that September tends to be wetter despite having fewer rainy days. Additionally, humidity levels are higher in September at 65%, compared to 53% in August, contributing to a more muggy feel as summer transitions into autumn. For more details on August weather, visit Perast weather in August.

In September, temperatures exhibit a wider range, with minimums around 7°C (45°F) and maximums reaching up to 30°C (86°F), while the average hovers at 19°C (66°F). This month also experiences relatively high humidity at 65% and a total precipitation of 150 mm (5.9 in) over approximately 10 days. In contrast, October sees cooler temperatures, with minimums dropping to 4°C (39°F) and maximums peaking at 24°C (76°F), leading to an average temperature of 14°C (57°F). Interestingly, October brings increased rainfall, totaling 213 mm (8.4 in) over 9 days, and the humidity rises to 78%. For a closer look at October weather specifics, you can check Perast weather in October.

September and November present contrasting weather conditions. 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). This month experiences about 150 mm (5.9 in) of precipitation over approximately 10 days, accompanied by a humidity level of 65%. In stark contrast, November sees significantly cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 22°C (71°F), averaging just 10°C (51°F). The month is also wetter, with precipitation totaling 363 mm (14.3 in) recorded over 13 days and a higher humidity rate of 85%. For a closer look at the conditions, you can check Perast weather in November.

In September, temperatures are mild and 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). While the month receives around 150 mm (5.9 in) of precipitation over approximately 10 days, the humidity levels sit at a comfortable 65%. In contrast, December brings a significant drop in temperatures, with minimums plummeting to -3°C (26°F) and an average of only 6°C (43°F). The maximum temperature reaches 15°C (59°F), and the month is much wetter, seeing about 354 mm (13.9 in) of rain across 15 days, along with increased humidity levels at 86%. For more detailed insights into December weather, check out Perast weather in December.

Compare Perast's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Perast

As summer gives way to autumn, September in Perast presents a delightful transition with pleasantly warm days and cooler evenings, making it a unique month compared to the blazing heat of July and August. The average temperature hovers around a comfortable 19°C, while the maximum can still reach a lively 30°C, offering perfect conditions for both beachgoers and explorer alike. However, this month also sees an increase in precipitation, with about 10 days experiencing rainfall, contributing to a slightly higher humidity level of 65%. This blend of warm sunshine and occasional showers creates a vibrant atmosphere, perfect for enjoying the stunning scenery and rich culture of this coastal gem. To learn more about how these patterns fit into the wider climate context, visit Perast Climate.