September Weather in Tryavna, Bulgaria

Last updated: August 21, 2025

Discover the charming September climate of Tryavna, Bulgaria, where temperatures can reach a maximum of 32°C (90°F), providing warm and pleasant days. The average temperature settles at a comfortable 18°C (64°F), while nighttime temperatures can dip as low as 1°C (34°F), adding a refreshing coolness to the evenings. This month experiences 30 mm (1.2 in) of rainfall spread over 5 days, contributing to a humidity level of 58%, which helps maintain the lush beauty of this picturesque region. Whether you're exploring its rich history or enjoying the natural landscapes, September offers an ideal backdrop for any visitor.

September Temperature in Tryavna

In September, Tryavna, Bulgaria experiences a delightful transition from the sizzling summer to the cooler embrace of autumn. With minimum temperatures dipping to around 1°C (34°F) and average highs reaching a pleasant 32°C (90°F), this month offers a comfortable blend of warmth and crisp air. The average temperature settles at a balmy 18°C (64°F), making it ideal for outdoor adventures and exploring the stunning landscape. As the sweltering summer heat wanes, September invites visitors to enjoy the vibrant colors of nature's change, providing a refreshing backdrop for cultural experiences and leisurely strolls through the picturesque town.

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

The chart illustrates September temperature patterns in Tryavna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tryavna, 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).
JanFebMarAprMayJunJulAugSepOctNovDec323741505966707164544436
Data source: Temperature data for Tryavna 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 Tryavna

September in Tryavna, Bulgaria, marks a transition into the cooler autumn months, characterized by a notable decline in precipitation. With only 30 mm (1.2 in) of rainfall over 5 days, it stands out as one of the driest months of the year, following a summer of higher humidity and frequent rainfalls, particularly in June. This reduction juxtaposes with the preceding months, where July and August boasted significantly higher amounts, at 112 mm (4.4 in) and 40 mm (1.6 in), respectively. As nature begins to prepare for winter, the lighter September showers offer a gentle reprieve, heralding the gradual onset of crisp, clear days ahead. This shift not only affects the landscape but also creates a serene atmosphere, inviting residents and visitors alike to enjoy the beauty of Tryavna before the colder months set in.

September Precipitation Trends in Tryavna

The chart displays monthly precipitation patterns in Tryavna, 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 Tryavna, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec556085631061591124030756196
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tryavna

In September, Tryavna, Bulgaria experiences a noticeable shift in humidity, averaging around 58%. This marks a transition from the drier, summer months, where humidity dips to a low of 48% in August, toward the wetter conditions typical of fall. As autumn sets in, the humidity begins to rise again, preparing the region for the more humid months of October and November, which average 78% and 85%, respectively. This gradual increase not only signals the arrival of cooler air but also enhances the vibrant beauty of the surrounding landscapes, making September an ideal time for nature enthusiasts to explore the lush scenery before the heavier rains of winter.

September Average Humidity in Tryavna

This chart illustrates the average monthly humidity levels in Tryavna, 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 Tryavna is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%84%81%70%72%66%62%48%58%78%85%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tryavna

As September rolls into Tryavna, Bulgaria, residents and visitors can expect a UV Index of 7, indicating a high exposure category with a burn time of approximately 25 minutes. This marks a slight decline from the intense peaks of summer, where the UV Index soared to 10 in June. However, September still commands attention for sun safety, making it crucial to stay vigilant. As the warmth of summer bids farewell and the days become shorter, the UV levels remain significant, serving as a reminder that protection is still needed. To learn more about UV levels throughout the year, check out the detailed information at Tryavna UV Index.

Maximum UV Index Levels in Tryavna for September

The chart shows the monthly maximum UV Index (UVI) for Tryavna 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 Tryavna typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997632
Data source: Tryavna 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 Tryavna

In September, Tryavna, Bulgaria, basks in a delightful 344 hours of sunshine, a beautiful transition from the sun-soaked days of July and August, which boast the highest sunshine totals of the year with 426 and 404 hours, respectively. As the lush vibrancy of summer gives way to the cooler embrace of autumn, the sunny days in September can be seen as a charming farewell to summer's warmth. This month enjoys a significant decrease from the peak summer sun, yet it remains a pleasant choice for those seeking moderate temperatures and scenic landscapes, while also hinting at the upcoming dip in daylight as the year progresses into October and the colder months.

Monthly Sunshine Duration in Tryavna: September Highlighted

The September sunshine duration represents the total number of hours Tryavna 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.
JanFebMarAprMayJunJulAugSepOctNovDec172h231h288h345h391h400h426h404h344h287h226h208h
Data source: Tryavna September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tryavna During September

In September, the likelihood of sunny weather in Tryavna, Bulgaria stands at a moderate 53%, offering a pleasant transition from the summer's peak brightness. This month enjoys a significant dip from the summer highs of 76% in July and 74% in August, yet it still surpasses many months earlier in the year, including April and May, both hovering around 43%. As the autumn season approaches, September's sunny outlook invites outdoor activities while also hinting at the cooler days to come, marking it as a delightful time to explore Tryavna's scenic beauty before the clouds of October roll in.

Percentage of Sunny Days in September in Tryavna

The chart illustrates the percentage of sunny days in Tryavna 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 Tryavna experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%45%42%43%43%46%76%74%53%38%34%28%
Data source: Tryavna September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tryavna in September

As summer transitions into autumn in Tryavna, Bulgaria, September offers a delightful balance of daylight, with approximately 12 hours of light illuminating the beautiful landscape. This gradual decrease from the long, sun-drenched days of June and July, which boast 15 and 14 hours, respectively, signals the onset of fall. While still enjoying more daylight than the chillier months ahead, September's moderate sunlight invites residents and visitors alike to savor the lingering warmth of summer. As the days shorten towards October's 11 hours, the vibrant colors of autumn foliage emerge, creating a picturesque backdrop for outdoor activities and exploration.

Average Daylight Hours in Tryavna for September

The chart illustrates the variation in daylight duration in Tryavna throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 24m10h 31m11h 57m13h 24m14h 38m15h 16m14h 56m13h 50m12h 27m11h9h 43m9h 3m
Data source: Tryavna daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tryavna

As September arrives in Tryavna, Bulgaria, the gentle breeze continues the trend of light winds that define the late summer months. With an average wind speed of 1.9 m/s (4 mph), this month mirrors August's calmness, providing a serene backdrop for the vibrant landscape. The slight dip in wind speed from the summer highs suggests a transition towards the quieter, cooler months ahead. September serves as a delicate reminder of nature's rhythm, as it bridges the warmth of summer with the crispness of fall, inviting residents and visitors alike to savor the tranquility and beauty of the changing season.

Average September Wind Speed in Tryavna

The chart displays monthly wind speed patterns in Tryavna, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.12.21.92.11.82.11.91.9 m/s1.71.82.3
Data source: Tryavna September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tryavna Compares to Other Months

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

September and January offer drastically different weather conditions. In September, temperatures can range from a cool 1°C (34°F) at night to a warm 32°C (90°F) during the day, with an average of 18°C (64°F). The month sees about 30 mm (1.2 in) of precipitation spread over roughly 5 days and humidity levels hovering around 58%.

In stark contrast, January is characterized by much colder weather, with temperatures ranging from a minimum of -16°C (3°F) to a maximum of only 14°C (58°F), averaging around freezing at 0°C (32°F). This month experiences heavier precipitation at 55 mm (2.2 in) over about 9 days, along with higher humidity at 88%. For more details on January weather, you can check Tryavna weather in January.

September and February offer strikingly different weather conditions. In September, temperatures range from a mild 1°C (34°F) at night to a warm 32°C (90°F) during the day, with an average of 18°C (64°F). The month sees relatively low precipitation of 30 mm (1.2 in) over about 5 days, and humidity levels are moderate at 58%. In contrast, February experiences much colder temperatures with a minimum of -12°C (10°F) and a maximum of 18°C (65°F), averaging just 3°C (37°F). This month is wetter, accumulating 60 mm (2.4 in) of precipitation across 9 days, with higher humidity at 84%. For more detailed information, you can check Tryavna weather in February.

When comparing the weather in September and March, a distinct contrast emerges. September typically enjoys a pleasant average temperature of 18°C (64°F) with maximums reaching as high as 32°C (90°F), while March experiences significantly cooler conditions, with an average of only 5°C (42°F) and lows plummeting to -17°C (1°F). Additionally, September sees much less precipitation, averaging just 30 mm (1.2 inches) over about 5 days, whereas March is considerably wetter, with 85 mm (3.3 inches) falling over approximately 14 days. Humidity levels are also notably higher in March at 81%, compared to September's 58%. For a more detailed look at the conditions during March, you can visit Tryavna weather in March.

Comparing the weather in September and April reveals notable differences in temperature and precipitation. September typically enjoys warmer temperatures, ranging from a minimum of 1°C (34°F) to a maximum of 32°C (90°F), with an average of 18°C (64°F). In contrast, April tends to be cooler, with temperatures that range from -3°C (27°F) to 26°C (80°F), averaging around 10°C (50°F).

Precipitation is also more pronounced in April, with 63 mm (2.5 in) over 10 days, compared to September’s 30 mm (1.2 in) over 5 days. Furthermore, humidity levels are slightly higher in April at 70%, as opposed to September's 58%. For more detailed insights into April weather, you can visit Tryavna weather in April.

In September, temperatures range from a cool 1°C (34°F) to a warm 32°C (90°F), with an average of 18°C (64°F). The month sees relatively low precipitation at 30 mm (1.2 in) over just 5 days, accompanied by a moderate humidity level of 58%. In contrast, May experiences milder temperatures, ranging from a minimum of 3°C (38°F) to a maximum of 29°C (85°F), with an average of 15°C (60°F). However, May is significantly wetter, with total precipitation reaching 106 mm (4.2 in) spread over 15 days, and higher humidity at 72%. For more details, you can check Tryavna weather in May.

When comparing the weather in September and June, it's evident that both months offer distinct climates. In September, temperatures range from a chilly 1°C (34°F) overnight to a warm 32°C (90°F) during the day, with an average of 18°C (64°F). This month sees relatively low precipitation at 30 mm (1.2 in) over just 5 days, contributing to a humidity level of 58%. In contrast, June tends to be milder with minimum temperatures around 6°C (42°F) and daytime highs peaking at 33°C (92°F). However, it experiences significantly more rainfall, totaling 159 mm (6.2 in) spread across 18 days, resulting in a higher humidity of 66%. For more detailed insights, check Tryavna weather in June.

When comparing the weather in September to that of July, we can see some notable differences. September experiences a broader temperature range with minimums of 1°C (34°F) and maximums reaching up to 32°C (90°F), resulting in a comfortable average of 18°C (64°F). In contrast, July tends to be warmer overall, with minimums of 10°C (51°F) and maximums that can soar to 35°C (96°F), leading to an average temperature of 21°C (70°F). Additionally, July is significantly wetter, receiving 112 mm (4.4 in) of precipitation over 12 days, compared to September's relatively dry 30 mm (1.2 in) across 5 days. Humidity levels are also similar, with July at 62% and September at 58%. For more insights into July weather specifically, check out Tryavna weather in July.

In comparing the weather between September and August, September brings cooler temperatures, with a minimum of 1°C (34°F) and an average of 18°C (64°F), while August is noticeably warmer, featuring a minimum of 10°C (50°F) and an average of 22°C (72°F). The maximum temperatures also reflect this shift, peaking at 32°C (90°F) in September compared to a hotter 37°C (99°F) in August. Additionally, precipitation levels are slightly lower in September at 30 mm (1.2 in) over 5 days, compared to 40 mm (1.6 in) over 7 days in August, making the latter month a bit wetter. Humidity is also higher in September at 58%, as opposed to August's 48%. For more detailed information, visit Tryavna weather in August.

September offers a warmer climate compared to October, with temperatures ranging from a minimum of 1°C (34°F) and averaging 18°C (64°F), peaking at 32°C (90°F). In this month, the region experiences less precipitation, totaling 30 mm (1.2 in) over about 5 days, and a humidity level of 58%. On the other hand, October brings cooler temperatures, with a minimum of 0°C (33°F), an average of 12°C (54°F), and a maximum of 30°C (86°F). This month sees an increase in precipitation to 75 mm (3.0 in) over 8 days and a higher humidity of 78%. For more detailed insights on how October unfolds, check Tryavna weather in October.

In September, the weather is generally warm with average temperatures reaching around 18°C (64°F) and maximums peaking at 32°C (90°F). The month sees relatively low precipitation at 30 mm (1.2 in) over about 5 days and a comfortable humidity level of 58%. In contrast, November brings a significant drop in temperatures, with averages around 7°C (45°F) and nighttime lows plunging to -6°C (21°F). Precipitation increases notably to 61 mm (2.4 in) across 8 days, accompanied by higher humidity levels at 85%. For more detailed insights on this month’s climate, you can explore Tryavna weather in November.

September and December present stark contrasts in weather conditions. In September, temperatures range from a mild 1°C (34°F) at night to a warm 32°C (90°F) during the day, with an average of 18°C (64°F). The month experiences relatively low precipitation of 30 mm (1.2 in) over just 5 days, accompanied by a moderate humidity level of 58%. In contrast, December brings much colder temperatures, with nighttime lows dipping to -12°C (12°F) and daytime highs averaging only 2°C (37°F), peaking at 15°C (60°F). This winter month is significantly wetter, receiving 96 mm (3.8 in) of precipitation over 12 days, and higher humidity at 87%. To learn more about the weather specifically in December, you can check Tryavna weather in December.

Compare Tryavna's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Tryavna

As September unfolds in Tryavna, the weather takes on a unique character, blending the warmth of summer with the crispness of autumn. The temperatures typically hover around a comfortable 18°C (64°F), allowing for enjoyable outdoor activities. While this month can still see peaks up to 32°C (90°F), the cooler nights offer a refreshing respite, a stark contrast to the sweltering days of July and August. With 30 mm (1.2 in) of rainfall spread over about five days, September marks the gradual transition to the wetter autumn months, characterized by a moderate humidity of 58%. For those planning a visit, the changing weather paints a picturesque backdrop, ideal for immersing oneself in the natural beauty and rich culture of Tryavna. Explore more about the climate in this enchanting area by visiting Tryavna Climate.