Last updated: August 27, 2025
In Piatra Neamț, Romania, September showcases a dynamic climate, with temperatures ranging from a maximum of 31°C (89°F) to a refreshing average of 14°C (58°F), dipping to a brisk minimum of -1°C (30°F). This month experiences approximately 51 mm (2.0 in) of rainfall spread over 8 days, contributing to a humidity level of 62%. As summer transitions into autumn, September offers a unique blend of warm days and cool nights, making it an ideal time for outdoor exploration amidst the scenic beauty of the region.
As September rolls in, Piatra Neamț, Romania experiences a notable transition in temperatures, with lows dropping to -1°C (30°F) and averages settling around 14°C (58°F). This month marks a delicate balance between summer's lingering warmth and the crisp onset of autumn. With maximum temperatures reaching up to 31°C (89°F), visitors can still relish the last whispers of summer while witnessing the vibrant colors that fall brings. The gradual cooling trend signals an impending shift, as the region prepares for the chillier days ahead, making September an ideal time to explore its captivating landscapes before winter arrives.
September in Piatra Neamț continues the transition toward autumn, marked by 51 mm (2.0 in) of precipitation over 8 days. This rainfall is consistent with the wetter summer months, yet notably less than the peak levels seen in June and May, reflecting the gradual reduction in summer storms. As the region shifts into fall, the precipitation remains mild, setting a tranquil backdrop for the changing foliage. While September’s rainfall tapers off in comparison to the lush greenery of summer, it’s an essential precursor to the crisp days ahead, ensuring that the landscape remains vibrant as it prepares for winter.
In Piatra Neamț, Romania, September marks a transitional phase in humidity levels as the summer's dry embrace gives way to the onset of autumn. With humidity dipping to 62%, it is noticeably lower than the peak summer months of July and August, where it dropped to 68% and 56%, respectively. This gradual decrease reflects a shift towards cooler temperatures, yet September still maintains a moderate level of humidity compared to the heavier air of winter, which arrives in October with a significant jump to 80%. Observing the annual trends, September serves as a bridge, leading us from the dryness of summer back into the moist embrace of the later months, where humidity steadily rises again to reach 90% by December.
As summer fades into autumn, September in Piatra Neamț sees a notable shift in UV Index levels. With a UV Index of 7 this month, the exposure category is rated as high, translating to a burn time of approximately 25 minutes for unprotected skin. This is a slight decline from the previous months, which consistently showed very high levels of UV radiation, peaking at 9 in both June and July. As the days become shorter and cooler, it's essential to remain vigilant about sun safety, especially during this transitional period. For more details on UV exposure in the region, visit Piatra Neamt UV Index.
UV Risk Categories
As September rolls into Piatra Neamt, the city basks in a delightful 336 hours of sunshine, bridging the transition from summer's peak to autumn's embrace. Following a vibrant July with its 424 hours, and August's generous 408 hours, September still retains a warmth that is characteristic of the waning summer months. However, a noticeable decline begins as the sunniest days of the year give way to a gradual dip, notably illustrated by the significant reduction to 287 hours in October. This trend reflects the natural rhythm of the seasons, where the delightful sunlight of September lingers long enough to invite residents and visitors alike to relish in the beautiful hues of autumn before the chill sets in.
In Piatra Neamț, the chances of encountering sunny weather in September hover around 35%, reflecting a moderate likelihood of sun as summer transitions into autumn. This percentage showcases a slight dip from the peak summer months of July and August, which boast sunny probabilities of 46% and 45% respectively. Interestingly, as the year progresses, the trend fluctuates, with October actually seeing a rise to 48%. Although September may not promise consistent sunshine, it offers a pleasant reprieve with milder temperatures, making it a delightful time to experience the beauty of the changing season in this charming Romanian town.
As September unfolds in Piatra Neamț, Romania, the days begin to shorten, offering around 12 hours of daylight. This month marks a gentle transition from the long, sun-drenched days of summer, peaking at 15 hours in June and July, toward the cozy ambiance of autumn. By now, daylight has already started to wane from its summer highs, but the fluctuations in daylight are still pronounced; after September, the days continue to diminish, dropping to 10 hours in October and 9 hours in November. This gradual shift underscores the rhythmic cycle of nature, inviting a sense of reflection as the warmer months give way to the cooler, introspective season ahead.
As September breezes into Piatra Neamț, it ushers in a gentle wind with an average speed of 2.0 m/s (5 mph), slightly mellowing from the summer's warmth. This month marks a subtle transition, where winds become moderately calm compared to the more spirited gusts of early spring, peaking in March at 2.8 m/s (6 mph). Following the summer’s calmest months, July and August, where winds dipped to 1.8 m/s (4 mph), September finds a balance that hints at the changing seasons ahead. As autumn looms, the winds remain consistent, foreshadowing a return to slightly stronger breezes in the upcoming months, showing nature's rhythm as it elegantly shifts from the warmth of summer to the crispness of fall.
Weather in Piatra Neamt varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Piatra Neamt, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present a stark contrast in weather conditions. In September, temperatures range from a chilly -1°C (30°F) at night to a warm 31°C (89°F) during the day, with an average temperature of 14°C (58°F). The month sees around 51 mm (2.0 in) of precipitation over 8 days, along with a moderate humidity level of 62%. In contrast, January is much colder, with temperatures plummeting to a minimum of -22°C (-8°F) and an average of -3°C (27°F), reaching a maximum of only 11°C (53°F). Although January experiences less precipitation at 27 mm (1.1 in) over just 7 days, the humidity is significantly higher at 92%, contributing to the harsh winter feel. For more detailed insights, check out Piatra Neamt weather in January.
In September, temperatures in Piatra Neamț range from a chilly -1°C (30°F) to a warm 31°C (89°F), with an average of 14°C (58°F). The month sees about 51 mm (2.0 in) of precipitation over 8 days, with a humidity level of 62%, making it a relatively comfortable time of year. In contrast, February experiences much colder temperatures, with a minimum of -17°C (1°F) and a maximum of 18°C (64°F), averaging around 0°C (31°F). The humidity level rises significantly to 88%, and while precipitation is slightly lower at 44 mm (1.7 in), it occurs over 9 days, indicating a more persistent winter climate. For a closer look at the February weather conditions, visit Piatra Neamt weather in February.
In comparing the weather in September and March, notable differences emerge in temperature and humidity levels. September boasts a temperature range from a chilly minimum of -1°C (30°F) to a warm maximum of 31°C (89°F), with an average of 14°C (58°F) and relatively moderate humidity at 62%. In contrast, March experiences much colder conditions, featuring a minimum of -21°C (-6°F) and a maximum of 20°C (69°F), with an average temperature of just 2°C (37°F). Moreover, March is characterized by higher humidity at 86% and more precipitation days (12) compared to September (8), although total precipitation remains the same at 51 mm (2.0 in). For more detailed information, you can check the Piatra Neamt weather in March.
In comparing the weather of September and April, notable differences emerge in both temperature and humidity. September boasts a milder average temperature of 14°C (58°F) with a maximum that can reach up to 31°C (89°F), while April's averages are significantly lower, with a maximum of only 24°C (76°F) and an average temperature of 8°C (46°F). Interestingly, both months receive similar amounts of precipitation, around 50-51 mm, though April experiences slightly more rainy days, with precipitation occurring on 11 days compared to September's 8. Additionally, April has a higher humidity level at 79%, making it feel much cooler, whereas September's humidity averages 62%. For a detailed look at the weather conditions during April, you can visit Piatra Neamt weather in April.
When comparing the weather in September and May, September generally exhibits warmer temperatures, with an average high of 31°C (89°F) compared to May's maximum of 27°C (80°F). However, May tends to be wetter, with 96 mm (3.8 in) of precipitation over 16 days, significantly exceeding September's 51 mm (2.0 in) across just 8 rainy days. Additionally, humidity levels are higher in May at 73%, compared to September's 62%. For more detailed insights, check out Piatra Neamt weather in May.
When comparing the weather in September and June, notable differences emerge in temperature and precipitation. September experiences a wider temperature range, with minimums dipping to -1°C (30°F) and maximums reaching 31°C (89°F), leading to an average of 14°C (58°F). In contrast, June boasts relatively milder conditions, where temperatures range from 5°C (41°F) to a maximum of 30°C (87°F), averaging around 17°C (64°F). Additionally, September has less precipitation, with only 51 mm (2.0 in) over approximately 8 days, while June is much rainier, receiving 143 mm (5.6 in) over about 19 days. The humidity is also higher in June at 73%, compared to September's 62%. For more details about June weather, you can refer to Piatra Neamt weather in June.
In comparing the weather of September and July, we see significant differences in temperature and precipitation patterns. September experiences a wider range in temperatures, with a minimum of -1°C (30°F) and a maximum that matches July's peak at 31°C (89°F), resulting in an average of 14°C (58°F). In contrast, July's temperatures remain milder, starting from a minimum of 6°C (44°F) and averaging 18°C (66°F).
Additionally, September is marked by lower precipitation levels, with only 51 mm (2.0 in) falling over 8 days, while July is wetter, with 104 mm (4.1 in) spread across 15 days. Humidity levels also differ slightly, with September recording 62% compared to July's 68%. For a more detailed look at July's weather, you can visit Piatra Neamt weather in July.
In comparing the weather between August and September, it's clear that September experiences a wider temperature range, with minimums dropping to -1°C (30°F) and maximums reaching up to 31°C (89°F). This contrasts with August, which has milder minimum temperatures starting at 6°C (43°F) and peaks at 33°C (91°F). Precipitation levels are also notable; August sees 75 mm (2.9 in) over 11 days, while September has slightly lower precipitation at 51 mm (2.0 in) across 8 days. Additionally, September's humidity rises to 62%, slightly higher than August's 56%. For a comprehensive look at the weather specifics for August, visit Piatra Neamt weather in August.
In comparing the weather of September and October, it's clear that October brings cooler temperatures overall. While September offers a wide temperature range with a minimum of -1°C (30°F) and a pleasant average of 14°C (58°F), October's minimum dips further to -4°C (25°F), resulting in a cooler average of 9°C (48°F). The hot maximum temperatures of September, peaking at 31°C (89°F), contrast sharply with October's milder peak of 25°C (77°F). Additionally, October experiences slightly less precipitation than September, with 36 mm (1.4 in) over 6 days compared to September's 51 mm (2.0 in) over 8 days, albeit with higher humidity levels at 80% compared to September's 62%. For more detailed information on conditions during this month, you can check the Piatra Neamt weather in October.
In September, the weather is typically much warmer, with temperatures ranging from a chilly minimum of -1°C (30°F) to a comfortable maximum of 31°C (89°F), averaging around 14°C (58°F). It features about 51 mm (2.0 in) of precipitation over 8 days, contributing to a humidity level of 62%. In contrast, November brings a significant drop in temperature, with a minimum of -10°C (14°F) and a maximum of 20°C (68°F), averaging just 4°C (39°F). This month experiences less precipitation at 33 mm (1.3 in) over 6 days, but higher humidity at 89%. For more detailed information, check out Piatra Neamt weather in November.
In September, the weather is generally mild, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 31°C (89°F), and an average of 14°C (58°F). The month sees about 51 mm (2.0 in) of precipitation spread over approximately 8 days, accompanied by a moderate humidity level of 62%. In contrast, December brings much colder conditions, with temperatures dropping significantly; the minimum can reach -19°C (-1°F), while the average temperature hovers around 0°C (32°F), peaking at 13°C (56°F). This month experiences slightly higher precipitation at 56 mm (2.2 in) over 11 days and a higher humidity level of 90%. For more specific details on December weather in the area, check out Piatra Neamt weather in December.
As September arrives in Piatra Neamț, the weather begins to transition, offering a refreshing break from the summer heat. The evenings cool down significantly, making early fall perfect for outdoor activities and exploration. With an average temperature that hints at the crispness of autumn, combined with occasional rainfall, September presents a blend of warmth and refreshing humidity that distinguishes it from the hotter summer months. The city embraces a vibrant atmosphere as nature shifts, and as the foliage starts to change, visitors can enjoy the scenic beauty. For those interested in detailed weather patterns, be sure to check out Piatra Neamt Climate for more insights.