Last updated: August 27, 2025
September in Piatra, Romania offers a delightful blend of warm and cool weather, with maximum temperatures reaching up to 29°C (84°F), while the average hovers around a comfortable 14°C (57°F). As autumn approaches, the atmosphere cools, sometimes dipping to a chilly -3°C (26°F) at night. Rainfall is moderate, with 44 mm (1.7 in) of precipitation spread over 9 days, and humidity levels maintain a pleasant 57%. Overall, September presents a captivating transitional month in Piatra, characterized by refreshing days and crisp evenings, perfect for outdoor adventures.
In September, Piatra, Romania, begins to transition from the warmth of summer to the cooler embrace of autumn. With minimum temperatures dropping to around -3°C (26°F), the nights can feel crisp, while the average temperature settles at a comfortable 14°C (57°F). Daytime warmth lingers, producing maximum temperatures that can still reach a pleasant 29°C (84°F), indicative of these late summer days. This blend of cooler nights and warm days creates a unique atmosphere, making September a delightful time to explore the region's natural beauty as the landscape starts to don its autumn hues.
In September, Piatra, Romania, experiences a transitional phase in precipitation, with an average rainfall of 44 mm (1.7 in) over 9 days. This marks a notable decrease compared to the lush, wet months of summer, where rainfall peaked at 169 mm (6.7 in) in June. The gentle showers of September suggest the city's gradual shift toward drier autumn conditions, yet they still nurture the lingering greens of late summer. As the weather cools, this month serves as a bridge, bringing refreshing rainfall without the heavy downpours characteristic of earlier months, allowing residents to enjoy the beauty of early fall while preparing for the dry spells ahead.
In September, Piatra, Romania experiences a noticeable transition in humidity levels, dropping to 57% from the summer lows of 48% in August. This shift marks the beginning of the autumn season, where humidity begins to rise again, inching closer to the levels seen in spring and early summer. Observing the trends throughout the year, it's clear that January holds the highest humidity at 88%, while the summer months, particularly July and August, enjoy the driest conditions. As September bridges these two extremes, it sets the stage for the increased moisture of October and the return of the chillier, wetter months ahead, ultimately culminating in a cozy, humid winter.
As September arrives in Piatra, Romania, the UV Index begins to show a noticeable shift, dropping to 7, which falls within the high exposure category. This signals a transition from the intense summer months of July and August, where the UV Index peaked at 9, indicating very high exposure with a burn time of just 15 minutes. With the warmer days of early autumn, individuals can safely enjoy the sun for up to 25 minutes. It's an ideal time to bask in the pleasant weather while remaining mindful of UV safety. For detailed insights on the UV Index throughout the year, visit Piatra UV Index.
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As summer transitions to fall, September in Piatra, Romania brings a delightful 335 hours of sunshine, marking a gentle decline from the peak of 417 hours in July. This month strikes a balance, offering significant sunlight that still evokes the warmth of summer while hinting at the coolness of autumn. Following the vibrant months of June and July, September's luminescence is a reminder of nature’s cyclic rhythm, as daylight begins to retreat gradually toward the 282 hours expected in October. The gradual decrease in sunshine hours invites locals and visitors alike to bask in the golden glow of early autumn, enjoying the picturesque landscapes before the chill of winter settles in.
In Piatra, Romania, September marks a delightful shift in weather, boasting a 48% chance of sunny days, making it one of the sunniest months of the year. This increase follows the summer months of July and August, where sunshine peaks at 55% and 56% respectively. As the days gradually shorten and the warmth of summer begins to fade, September offers a pleasant balance, with nearly half the month likely to be bright and cheerful. This trend is particularly inviting, as it stands in contrast to the cooler and cloudier months ahead, such as October and November, which see a drop to 40% and 32% respectively. Whether for outdoor adventures or cozy gatherings, September’s inviting climate is truly a standout in Piatra’s yearly weather pattern.
As summer gives way to fall in Piatra, Romania, September marks a significant transition in daylight hours. Following the sun-kissed days of June and July, which boast a generous 15 hours of daylight, September sees a gentle decline to 12 hours. This gradual reduction signals the approach of autumn, as daylight continues its retreat through October and into the chill of November. The landscape begins to shift; days become shorter but often still warm, allowing residents to savor the last remnants of the summer sun. With each passing day, nature prepares for a quieter, introspective season, inviting a sense of calm amidst the changing light.
As September settles in Piatra, Romania, the winds begin to whisper the calm of autumn, with an average speed of 1.7 m/s (4 mph). This gentle breeze marks the continuation of a gradual decline in wind speed from the summer months, where July and August maintained a steady 1.8 m/s. Interestingly, this slight decrease is part of a broader trend observed throughout the year, with the highest winds typically recorded in the earlier months, particularly March and May at 2.1 m/s. As the seasons shift, the gentle autumn winds create a serene backdrop, inviting residents and visitors alike to indulge in the picturesque landscapes Piatra has to offer.
Weather in Piatra varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Piatra, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present strikingly different weather conditions. In September, temperatures range from a minimum of -3°C (26°F) to a maximum of 29°C (84°F), with an average of 14°C (57°F). The month experiences relatively moderate precipitation of 44 mm (1.7 in) over approximately 9 days, with humidity at 57%. In contrast, January is much colder, with temperatures dipping between -20°C (-3°F) and a maximum of 9°C (49°F), and an average of -3°C (26°F). The precipitation is slightly lower at 41 mm (1.6 in) over 7 days, but humidity is notably higher at 88%. For more detailed information, check out Piatra weather in January.
In September, the weather exhibits a much warmer profile, with temperatures ranging from a chilly minimum of -3°C (26°F) to a pleasant average of 14°C (57°F), and peaking at a maximum of 29°C (84°F). The month records an average precipitation of 44 mm (1.7 in) over 9 days, alongside a more moderate humidity level of 57%. In contrast, February presents a starkly colder climate, with temperatures starting at a frigid minimum of -18°C (0°F), an average of -1°C (31°F), and reaching a maximum of just 17°C (63°F). Precipitation in February is slightly higher at 45 mm (1.8 in), also over 9 days, but the humidity is significantly elevated at 85%. For further details on February weather, visit Piatra weather in February.
September and March present distinctly different weather patterns. In September, temperatures range from a chilly -3°C (26°F) at night to a warm 29°C (84°F) during the day, with an average of 14°C (57°F). The month sees about 44 mm (1.7 in) of precipitation over 9 days and has a moderate humidity level of 57%. In contrast, March experiences much colder conditions, with minimum temperatures dropping to -16°C (3°F) and a modest average of 2°C (36°F). Despite the potential for warmer highs of 20°C (68°F), it also brings more precipitation—66 mm (2.6 in) spread over 12 days—accompanied by higher humidity at 82%. This stark difference illustrates March as a transitional period, often characterized by lingering cold and dampness, while September tends to be milder and more pleasant. For more details on March weather, check out Piatra weather in March.
When comparing the weather in September and April, noticeable differences emerge in both temperature and humidity. September features a more moderate temperature range, with minimums of -3°C (26°F) and maximums reaching 29°C (84°F), giving it a pleasant average of 14°C (57°F). In contrast, April experiences cooler temperatures, with minimums dipping to -9°C (15°F) and maximums peaking at 23°C (73°F), resulting in a lower average of 7°C (45°F). Additionally, September enjoys lower humidity levels at 57%, while April's humidity is comparatively higher at 73%. Precipitation is slightly more frequent in April, with 10 days of rainfall contributing to 59 mm (2.3 in), compared to September's 9 days and 44 mm (1.7 in). For a more detailed look at April weather, visit Piatra weather in April.
September and May present quite different weather patterns. In September, temperatures can fluctuate with a minimum of -3°C (26°F) and an average of 14°C (57°F), reaching a maximum of 29°C (84°F). The month experiences 44 mm (1.7 in) of precipitation over about 9 days, with humidity levels at 57%. In contrast, May has milder temperatures, ranging from a minimum of -1°C (30°F) to an average of 12°C (54°F) and a maximum of 24°C (76°F). However, it is considerably wetter, receiving 143 mm (5.6 in) of rain over 19 days, and has higher humidity at 71%. For more details on May weather in Piatra, you can visit Piatra weather in May.
In comparing the weather between September and June, notable differences emerge. September experiences a wider temperature range, with minimums dipping as low as -3°C (26°F) and maximums reaching 29°C (84°F), coupled with a moderate average temperature of 14°C (57°F). The month also sees less precipitation, at 44 mm (1.7 in) over just 9 days, and a relative humidity of 57%.
In contrast, June has slightly milder temperatures, with minimums around 2°C (36°F) and maximums of 28°C (83°F), resulting in a slightly higher average of 16°C (61°F). However, it is much wetter, with 169 mm (6.7 in) of rain falling over 24 days, and humidity levels rising to 70%. For a closer look at these conditions, check out Piatra weather in June.
In comparing the weather of September and July, we can see notable differences. September experiences a wider range of temperatures, with a minimum of -3°C (26°F) and an average of 14°C (57°F), while July is consistently warmer, with a minimum of 7°C (45°F) and an average of 18°C (64°F). Both months have similar maximum temperatures, peaking at 29°C (84°F in September and 85°F in July). One of the significant contrasts is in precipitation; September sees 44 mm (1.7 in) over 9 days, whereas July is much wetter, receiving 135 mm (5.3 in) across 18 days. Additionally, humidity levels are higher in July at 66% compared to 57% in September. For those interested in detailed July weather, you can check out Piatra weather in July.
In comparing the weather between August and September, we notice a significant drop in temperature. September sees a minimum temperature of -3°C (26°F) compared to August's milder minimum of 5°C (42°F). The average temperature also declines from 18°C (65°F) in August to 14°C (57°F) in September, with maximum temperatures lowering from 31°C (89°F) in August to 29°C (84°F). Additionally, September experiences less precipitation with 44 mm (1.7 in) over 9 days, while August is significantly wetter, recording 106 mm (4.2 in) over 14 days. The humidity is also higher in August at 48%, compared to 57% in September. For a more detailed look at the weather during this period, you can check out Piatra weather in August.
September weather generally exhibits milder temperatures compared to October, with September seeing an average of 14°C (57°F) and maximums reaching up to 29°C (84°F). In contrast, October’s average temperature drops to 9°C (48°F), with maximums only reaching 23°C (74°F). Additionally, October experiences higher humidity at 79%, compared to September's 57%, contributing to a distinctly cooler and more overcast feel. Precipitation is also notably higher in October, totaling 66 mm (2.6 in) over 8 days, compared to September's 44 mm (1.7 in) over 9 days. For more information about weather conditions in October, visit Piatra weather in October.
In September, temperatures range from a chilly -3°C (26°F) at night to a warm 29°C (84°F) during the day, with an average of 14°C (57°F). The month sees about 44 mm (1.7 in) of precipitation over approximately 9 days, accompanied by moderate humidity levels of 57%. In contrast, November experiences much cooler temperatures, with nighttime lows dropping to -8°C (18°F) and daytime highs peaking at 22°C (71°F), leading to an average temperature of just 4°C (40°F). Precipitation increases slightly to 46 mm (1.8 in) over 10 days, while humidity rises significantly to 87%. For more detailed insights on November weather, visit Piatra weather in November.
In September, temperatures range from a chilly minimum of -3°C (26°F) to a pleasant maximum of 29°C (84°F), making it a month marked by significant variation and milder conditions, with an average of 14°C (57°F). The month sees 44 mm (1.7 in) of precipitation over about 9 days, contributing to a relatively moderate humidity level of 57%. In contrast, December brings a notable drop in temperature, with lows plummeting to -16°C (3°F) and an average temperature of 0°C (32°F), peaking at a maximum of 14°C (58°F). This winter month experiences increased precipitation totaling 79 mm (3.1 in) over approximately 10 days, coupled with heightened humidity levels at 88%. For a closer look at weather conditions in December, you can visit Piatra weather in December.
As September unfolds in Piatra, the weather strikes a unique balance between the lingering warmth of summer and the crisp onset of autumn. Unlike the sweltering heights of July and August, September offers a refreshing average temperature, accompanied by the first hints of cooler evenings that make way for cozy attire. While there are still occasional rainy days, with a total of 44mm of precipitation spread over about nine days, the overall humidity eases, creating a more comfortable atmosphere. This transitional month invites outdoor exploration as nature begins to display its vibrant autumnal palette. For a deeper understanding of the region’s climate, visit Piatra Climate.