September Weather in Velingrad, Bulgaria

Last updated: August 21, 2025

Velingrad, Bulgaria, in September offers a delightful blend of warm and cool weather, with maximum temperatures reaching up to 29°C (84°F) and an average of 15°C (58°F). Visitors can expect a refreshing drop to a minimum of -2°C (29°F) during the nights. The month sees about 50 mm (2.0 in) of precipitation spread over six days, contributing to a moderately humid atmosphere at 57%. This dynamic climate makes September an ideal time to explore Velingrad's natural beauty and outdoor attractions.

September Temperature in Velingrad

As September unfolds in Velingrad, Bulgaria, a distinct transition begins to take shape, where summer's warmth gently gives way to the crisp embrace of autumn. With minimum temperatures dipping to a brisk -2°C (29°F) and averages hovering around a comfortable 15°C (58°F), the month showcases a notable shift from the heat of August. Peaks of 29°C (84°F) reflect the lingering summer sun, allowing for pleasant afternoons perfect for outdoor activities. This blend of cooler nights and mild days creates an inviting atmosphere ideal for exploring the region’s natural beauty, making September a delightful time to experience Velingrad's charm as the leaves start to hint at their colorful transformation.

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

The chart illustrates September temperature patterns in Velingrad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Velingrad, 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).
JanFebMarAprMayJunJulAugSepOctNovDec293437455460656658494134
Data source: Temperature data for Velingrad 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 Velingrad

September in Velingrad, Bulgaria, marks a subtle transition into autumn, with precipitation totaling 50 mm (2.0 in) spread across just six days. This relatively minor rainfall follows the warm, wet months of summer, where June recorded the highest precipitation at 147 mm (5.8 in). It's interesting to note that September's precipitation is significantly lower than the preceding months, particularly August, which saw a mere 48 mm (1.9 in). As the region shifts into October, precipitation levels rise slightly to 69 mm (2.7 in), suggesting a gradual increase again as the climate cools. This seasonal pattern highlights Velingrad’s characteristic wet summers contrasted with drier autumn beginnings.

September Precipitation Trends in Velingrad

The chart displays monthly precipitation patterns in Velingrad, 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 Velingrad, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec6668104961081471074850696592
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Velingrad

In September, Velingrad experiences a noticeable uptick in humidity, with levels rising to 57% after the drier summer months. This shift marks a transition from the crisp, low humidity of August's 47%, heralding the gradual onset of fall. As temperatures cool and the air becomes more saturated, the humidity reflects the changing season, setting the stage for the wet months ahead. While September's humidity is higher than that of summer, it still remains significantly lower than the winter months, where levels soar again, peaking at 88% in January. This pattern illustrates a clear trend of increasing humidity as the year progresses toward its colder quarters.

September Average Humidity in Velingrad

This chart illustrates the average monthly humidity levels in Velingrad, 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 Velingrad is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%83%81%71%74%63%60%47%57%76%85%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Velingrad

In September, Velingrad, Bulgaria, experiences a very high UV Index of 8, reflecting a trend of significant sun intensity throughout the summer months. With a consistent burn time of just 15 minutes, it's crucial for residents and visitors alike to take sun protection seriously during this time. Following the peak summer readings—where the index soared to 10 in June and July—September signals a slight decline but still warrants vigilance against skin damage. As the season transitions to autumn, with October bringing a reduced UV Index of 6, September serves as a reminder of the lingering summer sun. For detailed insights, check out the full UV Index information here: Velingrad UV Index.

Maximum UV Index Levels in Velingrad for September

The chart shows the monthly maximum UV Index (UVI) for Velingrad 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 Velingrad typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec348810101098643
Data source: Velingrad 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 Velingrad

As September rolls in Velingrad, Bulgaria, the lingering warmth of summer is still felt, providing a delightful 341 hours of sunshine. This is a gentle decline from the peak of July, which basked in 422 hours of golden rays, yet it still offers plenty of bright days to savor. The transition from the vibrant summer months shows a gradual retreat of sunlight, with October not far behind at 288 hours. This shift not only signals the arrival of autumn but also makes September an ideal time for outdoor adventures, as nature begins to don its colorful fall attire while still enjoying a generous share of sunny days. The overall trend indicates that while sunshine hours decrease, September remains a vibrant month to relish in Velingrad’s natural beauty.

Monthly Sunshine Duration in Velingrad: September Highlighted

The September sunshine duration represents the total number of hours Velingrad 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.
JanFebMarAprMayJunJulAugSepOctNovDec179h235h287h336h390h393h422h399h341h288h230h216h
Data source: Velingrad September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Velingrad During September

In Velingrad, Bulgaria, September enjoys a 51% chance of sunny weather, making it a pleasant transition from the vibrant summer months into early autumn. This likelihood mirrors that of February, showcasing a consistent trend where sunny days are possible but not guaranteed. As the summer peak, July and August boast significantly higher probabilities at 78% and 74% respectively, while sunshine chances dip in the cooler months, with January and November falling to around 30%. Overall, September strikes a balance, offering a fair stake of sunny skies amidst the encroaching fall, making it an appealing time for outdoor activities and exploration.

Percentage of Sunny Days in September in Velingrad

The chart illustrates the percentage of sunny days in Velingrad 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 Velingrad experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%51%48%41%44%48%78%74%51%41%30%37%
Data source: Velingrad September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Velingrad in September

As September unfolds in Velingrad, Bulgaria, daylight begins to taper off from the summer's peak, boasting approximately 12 hours of sunlight. This gradual decrease follows the vibrant months of June and July, when daylight peaks at 15 and 14 hours respectively. After the sunniest days of summer, August maintains slightly less light, with 13 hours illuminating the landscape. However, as autumn approaches, daylight hours start to diminish steadily, marking a transition toward the shorter days of fall. With each passing month, from this point onward, Velingrad witnesses the sun gracing its skies for fewer hours, a trend that continues into the depths of winter, where January and December offer just 9 hours of daylight. This rhythm of changing light serves as a reminder of nature’s cyclical patterns, inviting both reflection and appreciation for the gradual shifts in the season.

Average Daylight Hours in Velingrad for September

The chart illustrates the variation in daylight duration in Velingrad 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 9m
Data source: Velingrad daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Velingrad

As September rolls into Velingrad, Bulgaria, the gentle breeze carries a hint of the approaching autumn. With an average wind speed of 1.6 m/s (about 4 mph), the winds remain modest and consistent, mirroring the calm of late summer. This period marks a subtle transition; while the winds peaked earlier in the year, their steady flow now whispers a promise of change. September's winds, slightly stronger than the lazy gusts of August, create a refreshing atmosphere as the heat of summer begins to wane. Notably, as the seasons shift, the wind speeds gradually decrease towards October, inviting a sense of calm and introspection that accompanies the approaching fall. This blend of serenity and gentle movement sets the tone for a picturesque month in this charming Bulgarian resort town.

Average September Wind Speed in Velingrad

The chart displays monthly wind speed patterns in Velingrad, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.01.81.61.71.61.61.51.6 m/s1.41.72.0
Data source: Velingrad September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Velingrad Compares to Other Months

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

September and January present strikingly different weather patterns. In September, temperatures range from a pleasant 15°C (58°F) on average, with highs reaching up to 29°C (84°F), while experiencing relatively moderate precipitation of 50 mm (2.0 in) across about 6 days. This month enjoys a humidity level of around 57%, resulting in comfortable outdoor conditions. In contrast, January brings a stark chill, with average temperatures plummeting to -2°C (29°F) and minimums dipping down to -21°C (-5°F). Precipitation increases slightly to 66 mm (2.6 in) over 9 days, accompanied by a higher humidity level of 88%, creating a much cooler and often more damp atmosphere. For more details on January weather in Velingrad, check out this link: Velingrad weather in January.

September and February present contrasting weather experiences. In September, temperatures range from a chilly -2°C (29°F) at night to a warm 29°C (84°F) during the day, with an average of 15°C (58°F). Precipitation is moderate, occurring over about 6 days with a total of 50 mm (2.0 in) and humidity sitting at a comfortable 57%. In stark contrast, February brings much colder conditions, with temperatures dipping as low as -20°C (-4°F) at night and only reaching a maximum of 15°C (60°F) during the day, averaging just 1°C (34°F). The month is also wetter, with precipitation totaling 67 mm (2.7 in) over around 10 days, accompanied by higher humidity at 83%. For more details, check out Velingrad weather in February.

In September, the weather experiences a notable warmth, with average temperatures around 15°C (58°F), reaching as high as 29°C (84°F) on warm days. The level of humidity is moderate at 57%, with only 50 mm (2.0 in) of precipitation occurring over about 6 days. In contrast, March plunges into colder territory, with an average temperature of 3°C (38°F) and nighttime lows that can drop to -23°C (-9°F). The month sees significantly higher precipitation at 104 mm (4.1 in), occurring over approximately 14 days, coupled with a higher humidity level of 81%. For more specific information about conditions during this time, you can refer to Velingrad weather in March.

September and April present contrasting weather patterns, each with its own distinct characteristics. In September, temperatures range from a minimum of -2°C (29°F) to a maximum of 29°C (84°F), with an average of 15°C (58°F). The month sees moderate precipitation of 50 mm (2.0 in) over approximately 6 days and a humidity level of 57%. In contrast, April experiences colder temperatures, with a minimum of -6°C (21°F) and a maximum of 22°C (72°F), averaging just 7°C (46°F). This month is typically wetter, receiving 96 mm (3.8 in) of precipitation over 14 days, alongside a higher humidity of 71%. For a more detailed look at the weather trends in April, check out Velingrad weather in April.

September presents a more varied temperature range, with minimums dropping to -2°C (29°F) and maximums reaching up to 29°C (84°F), making for an average of 15°C (58°F). In contrast, May's temperatures are milder, with minimums at 0°C (32°F) and maximums peaking at 27°C (81°F), resulting in a lower average of 12°C (54°F). While September experiences relatively low precipitation at 50 mm (2.0 in) over only 6 days, May sees significantly higher rainfall of 108 mm (4.3 in) spread across 17 days, contributing to increased humidity levels of 74% compared to September's 57%. For a more detailed look at May weather, check out Velingrad weather in May.

In comparing the weather of September and June, we see distinct differences in temperature and precipitation patterns. September typically experiences milder conditions, with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 29°C (84°F). The month sees relatively low precipitation at 50 mm (2.0 in) over just 6 days, accompanied by a humidity level of 57%. In contrast, June tends to be warmer, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 30°C (87°F). However, it is much wetter, accumulating 147 mm (5.8 in) of rainfall spread across 17 days and a slightly higher humidity level at 63%. For more details on the weather in June, you can refer to Velingrad weather in June.

When comparing the weather conditions in September and July, it's clear that July is generally warmer with higher temperatures, showcasing a minimum of 8°C (46°F) and a maximum of 33°C (91°F), compared to September's cooler range with a minimum of -2°C (29°F) and a maximum of 29°C (84°F). Additionally, July experiences significantly more precipitation, totaling 107 mm (4.2 in) over 13 days, versus September's 50 mm (2.0 in) over just 6 days. Humidity levels are also slightly elevated in July at 60%, compared to September's 57%. For more details on July's weather specifics, check out Velingrad weather in July.

In comparing the weather between August and September, August tends to be warmer with average temperatures reaching 19°C (66°F) and maximums soaring to 33°C (91°F). Meanwhile, September experiences a notable drop in temperature, with averages around 15°C (58°F) and maximums peaking at 29°C (84°F). While both months see similar levels of precipitation, with August receiving 48 mm (1.9 in) over 8 days and September slightly more at 50 mm (2.0 in) over 6 days, September's humidity is higher at 57%, compared to August's 47%. For those interested in more details about the weather in August, please refer to Velingrad weather in August.

In September, temperatures range from a chilly -2°C (29°F) at night to a warm 29°C (84°F) during the day, with an average of 15°C (58°F). The month sees about 50 mm (2.0 in) of precipitation spread over 6 days, and the humidity hovers around 57%. In contrast, October experiences cooler weather, with minimum temperatures dropping to -3°C (26°F) and a maximum of 25°C (78°F), resulting in an average of 9°C (49°F). Precipitation increases to 69 mm (2.7 in) over 7 days, and humidity rises significantly to 76%. For more detailed insights on the weather in October, you can check this link: Velingrad weather in October.

September presents a much warmer climate compared to November, with temperatures ranging from a minimum of -2°C (29°F) to a comfortable maximum of 29°C (84°F) and an average of 15°C (58°F). In contrast, November sees lower temperatures, with a minimum of -8°C (18°F) and an average of just 5°C (42°F), although it can still reach a maximum of 21°C (70°F). Additionally, September experiences relatively low precipitation at 50 mm over about 6 days, while November has a bit more rainfall, totaling 65 mm over 9 days, and significantly higher humidity at 85%. These differences highlight a notable transition from the mild late summer weather of September to the cooler, wetter conditions typical of November. For more detailed information, you can check Velingrad weather in November.

In September, the weather features a comfortable average temperature of 15°C (58°F), with daytime highs reaching up to 29°C (84°F), making it a pleasant month for outdoor activities. However, December brings a significant drop in temperatures, with averages plummeting to just 1°C (34°F) and nighttime lows dipping to -14°C (7°F). Additionally, while September experiences 50 mm (2.0 in) of precipitation over about 6 days, December sees a markedly higher total of 92 mm (3.6 in) distributed across 13 days, contributing to a much heavier humidity level of 87%. For more detailed weather insights, check out Velingrad weather in December.

Compare Velingrad's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Velingrad

As summer begins to fade, September in Velingrad ushers in a refreshing shift in weather, marked by moderate temperatures and an increase in humidity. With daily highs making their way down from the sweltering summer peaks, the average temperature settles comfortably, while nighttime lows hint at the approaching chill of autumn. Unlike the drier summer months, September experiences an uptick in precipitation, resulting in a lush landscape that's both inviting and revitalizing. This pleasant blend of warmth and moisture makes it an ideal time for outdoor activities, allowing visitors to fully appreciate Velingrad’s natural beauty. For more insights on Velingrad's climate, check out Velingrad Climate.