September Weather in Poiana Negrii, Romania

Last updated: August 27, 2025

In September, Poiana Negrii, Romania experiences a captivating transition from summer warmth to the crispness of autumn. The maximum temperature reaches a pleasant 26°C (80°F), while the average settles at 11°C (53°F), and nights can get chilly, dipping to a minimum of -4°C (24°F). With 65 mm (2.6 in) of rainfall spread over approximately 11 days, the month brings a refreshing touch, contributing to the region's lush landscapes. The relative humidity stands at 62%, creating an invigorating atmosphere that invites both adventure and relaxation in this stunning mountainous retreat.

September Temperature in Poiana Negrii

In September, Poiana Negrii, Romania, experiences a noticeable shift as summer fades, characterized by mild temperatures that cater to outdoor enthusiasts. The month begins with cooler mornings, where temperatures can dip to -4°C (24°F), but ascend to a comfortable average of 11°C (53°F). Afternoons can be pleasantly warm, reaching up to 26°C (80°F), making it an ideal time for hiking and exploring the stunning landscapes. This gradual transition from the vibrant warmth of August to the impending chill of autumn creates a unique atmosphere, inviting visitors to embrace the crisp air and the beauty of nature as it begins to change. As the month progresses, the drop in temperatures hints at the winter ahead, providing a gentle reminder of the region's climatic contrast.

September Weather in Poiana Negrii: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Poiana Negrii, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Poiana Negrii, 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).
JanFebMarAprMayJunJulAugSepOctNovDec212731415058606152443627
Data source: Temperature data for Poiana Negrii 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 Poiana Negrii

September in Poiana Negrii, Romania, marks a transition towards autumn, with precipitation totaling 65 mm (2.6 in) over an average of 11 rainy days. This month experiences a noticeable drop compared to the wetter summer months, where June and July saw substantial rainfall of 162 mm (6.4 in) and 137 mm (5.4 in), respectively. The gradual decline in precipitation is complemented by a reduction in rainy days, hinting at a shift from the intense summer storms to more serene, crisp autumn weather. As September wraps up, the landscape transforms, reflecting the changing seasons, with the lush greenery beginning to give way to the warm hues of autumn foliage.

September Precipitation Trends in Poiana Negrii

The chart displays monthly precipitation patterns in Poiana Negrii, 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 Poiana Negrii, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3671676414616213710265503376
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Poiana Negrii

As September rolls into Poiana Negrii, Romania, the humidity begins to rise again after the summer's low of 56% in August. With levels settling at 62%, September marks a transition from the drier summer months to the onset of autumn. This uptick in humidity sets the stage for the cooler temperatures that follow, as the region prepares for the inevitable increase in moisture that defines the autumn and winter months. Notably, the humidity sharply climbs to 80% by October, suggesting that while September offers a brief respite, the wet conditions typical of the later months are just around the corner.

September Average Humidity in Poiana Negrii

This chart illustrates the average monthly humidity levels in Poiana Negrii, 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 Poiana Negrii is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%88%86%79%73%73%69%56%62%81%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Poiana Negrii

In September, Poiana Negrii experiences a UV Index of 7, placing it in the high exposure category, which signifies a notable transition from the peak summer months. With a burn time of 25 minutes, visitors should remain vigilant against sun exposure, reminiscent of the very high indices recorded in July and August. As autumn approaches, this decline in UV levels indicates an easing, yet still measurable, risk for skin damage. This trend, moving from the intense summer rays to a more moderate autumn sun, highlights the importance of sun protection—especially as October ushers in lower UV values. For more detailed insights, check out Poiana Negrii UV Index.

Maximum UV Index Levels in Poiana Negrii for September

The chart shows the monthly maximum UV Index (UVI) for Poiana Negrii 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 Poiana Negrii typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Poiana Negrii 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 Poiana Negrii

In September, Poiana Negrii, Romania basks in a delightful transition from summer’s peak, enjoying 336 hours of sunshine that maintain the vibrant outdoor spirit of the region. This month's sunshine hours reflect a gradual decrease from the sizzling heights of July and August, yet still provide ample opportunities for exploration and relaxation. As autumn approaches, the crisp air and picturesque landscapes invite visitors to take in the stunning fall colors, creating a perfect blend of warmth and coolness. Overall, the sunshine trend illustrates that while summer may be winding down, September's radiant days still offer a generous dose of daylight for adventurers and nature lovers alike.

Monthly Sunshine Duration in Poiana Negrii: September Highlighted

The September sunshine duration represents the total number of hours Poiana Negrii 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.
JanFebMarAprMayJunJulAugSepOctNovDec164h212h291h344h387h396h420h406h336h286h229h177h
Data source: Poiana Negrii September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Poiana Negrii During September

As summer fades, September in Poiana Negrii presents a moderate chance of sunny weather, with only 24% likelihood of sun. This reflects a slight decline from the summer months, where July and August enjoy a robust 34% chance, showcasing the region's warmer and sunnier disposition during peak summer. Interestingly, September's figures still outperform the early months of the year, where sunshine percentages linger around the low teens and twenties. Looking ahead, the sunny prospects dramatically increase in October to a surprising 49%, hinting that autumn may greet visitors with brighter days than expected—providing a beautiful transition from summer's warmth to the crispness of fall.

Percentage of Sunny Days in September in Poiana Negrii

The chart illustrates the percentage of sunny days in Poiana Negrii 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 Poiana Negrii experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%26%28%30%31%29%34%34%24%49%37%12%
Data source: Poiana Negrii September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Poiana Negrii in September

As summer gently gives way to autumn, September in Poiana Negrii heralds a notable shift in daylight duration, boasting 12 hours of sunshine each day. This marks a gradual decrease from the 15 hours enjoyed in the peak of summer, highlighting a transition that is both subtle and significant. Following the warmth of June, July, and August, September begins to embrace the crispness of fall, reminding us of nature's cyclical rhythms. Though the daylight hours dip, they remain ample enough to savor the stunning autumn landscapes, painting the region in hues of gold and orange as the days shorten in anticipation of the winter months ahead.

Average Daylight Hours in Poiana Negrii for September

The chart illustrates the variation in daylight duration in Poiana Negrii throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 56m10h 16m11h 55m13h 38m15h 5m15h 50m15h 27m14h 9m12h 30m10h 49m9h 19m8h 32m
Data source: Poiana Negrii daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Poiana Negrii

In September, the wind in Poiana Negrii, Romania begins to whisper the arrival of autumn, with an average speed of 2.1 m/s (5 mph). This slight increase from the summer months, where average speeds hovered around 1.8 to 1.9 m/s, marks a subtle shift as the region transitions from the calmness of July and August to the crisp, invigorating breezes that accompany the fall season. Interestingly, the winds remain consistent through the approaching months of October and November, maintaining that same energizing pace of 2.1 m/s, foreshadowing a calm yet refreshing winter ahead. As the year progresses, the gentle breezes in Poiana Negrii provide a perfect backdrop for the stunning autumn scenery, inviting all to experience the tranquil beauty of this mountainous paradise.

Average September Wind Speed in Poiana Negrii

The chart displays monthly wind speed patterns in Poiana Negrii, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.42.52.22.62.21.81.92.1 m/s2.12.12.2
Data source: Poiana Negrii September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Poiana Negrii Compares to Other Months

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

In September, the weather is much milder with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 26°C (80°F), boasting an average of 11°C (53°F). The month experiences moderate precipitation of 65 mm (2.6 in) over 11 days, accompanied by a comfortable humidity level of 62%. In contrast, January brings a stark chill, with temperatures plummeting to a minimum of -24°C (-11°F) and reaching a maximum of just 7°C (44°F), resulting in an average temperature of -6°C (22°F). Precipitation is lower at 36 mm (1.4 in) over 10 days, but the humidity spikes to a high of 92%. For more details on January weather, you can check Poiana Negrii weather in January.

In September, the weather is generally milder, with average temperatures around 11°C (53°F) and maximums reaching up to 26°C (80°F). The month sees relatively lower precipitation, totaling 65 mm (2.6 in) across 11 days, paired with a humidity level of 62%. In contrast, February experiences much colder conditions, with average temperatures hovering around -3°C (27°F) and nightly lows plummeting to -21°C (-6°F). This winter month also presents slightly higher precipitation at 71 mm (2.8 in) over 14 days, along with increased humidity at 88%. For more detailed information, check out Poiana Negrii weather in February.

In September, the weather is generally milder with temperatures ranging from a minimum of -4°C (24°F) to a maximum of 26°C (80°F), resulting in a pleasant average of 11°C (53°F). The month experiences about 65 mm (2.6 in) of precipitation over 11 days, coupled with a humidity level of 62%. In contrast, March presents a much colder environment, with temperatures ranging from a minimum of -22°C (-7°F) to a maximum of 16°C (61°F), leading to a frigid average of 0°C (32°F). While precipitation slightly increases to 67 mm (2.6 in) over 14 days, humidity levels rise significantly to 86%. For more detailed information about March weather specifically in Poiana Negrii, you can visit Poiana Negrii weather in March.

In comparing the weather between September and April, we see notable differences in temperature and humidity. September offers a milder climate, with average temperatures around 11°C (53°F) and highs reaching up to 26°C (80°F), while April experiences cooler averages of 5°C (41°F) and a maximum of 23°C (74°F). Both months receive similar amounts of precipitation, with September slightly higher at 65 mm (2.6 in) and April at 64 mm (2.5 in), but April has more rainy days, totaling 13 compared to September's 11. Additionally, April has higher humidity at 79% compared to September's 62%. For a detailed look at April weather specifically, check out Poiana Negrii weather in April.

September and May exhibit notable weather differences despite their similar temperature ranges. In September, temperatures can vary from a brisk -4°C (24°F) to a warm 26°C (80°F), with an average of 11°C (53°F). The month sees an average of 65 mm (2.6 in) of precipitation spread over 11 days, leading to a manageable humidity level of 62%. In contrast, May experiences slightly cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 24°C (75°F), averaging around 10°C (50°F). However, it is significantly wetter, receiving 146 mm (5.7 in) of rainfall over 21 days, which contributes to a higher humidity of 73%. For more detailed information, you can visit Poiana Negrii weather in May.

When comparing the weather in September and June, several notable differences emerge. September typically experiences a wider range in temperatures, with a minimum of -4°C (24°F) and a maximum reaching 26°C (80°F), while June's minimum is slightly higher at 1°C (35°F) and a peak of 27°C (81°F). In terms of humidity, September sees an average of 62%, whereas June is more humid at 73%. Additionally, precipitation is more frequent in June, with rain occurring on 22 days and totaling 162 mm (6.4 in), compared to September's 11 rainy days and 65 mm (2.6 in). For those interested in a closer look at June weather in a specific location, you can find detailed information here: Poiana Negrii weather in June.

In comparing the weather of September and July, we see notable differences in temperature and precipitation patterns. September has a more moderate temperature range, with a minimum of -4°C (24°F) and an average of 11°C (53°F), peaking at a comfortable 26°C (80°F). In contrast, July is generally warmer, with temperatures ranging from a minimum of 4°C (39°F) to an average of 15°C (60°F), reaching a maximum of 27°C (81°F). However, July experiences significantly higher precipitation, totaling 137 mm (5.4 in) over 19 days, compared to September's 65 mm (2.6 in) spread across 11 days. Additionally, humidity levels are slightly higher in July at 68%, compared to September's 62%. For more detailed information, visit Poiana Negrii weather in July.

In comparing the weather between August and September, it's evident that September experiences cooler temperatures, with a minimum of -4°C (24°F) and an average of 11°C (53°F), compared to August's minimum of 3°C (38°F) and average of 16°C (61°F). While August boasts warmer maximum temperatures, peaking at 29°C (85°F), September only reaches a maximum of 26°C (80°F). Additionally, September sees a decrease in precipitation, totaling 65 mm (2.6 in) over 11 days, in contrast to August's higher 102 mm (4.0 in) across 14 days of rain. Humidity levels also vary, with September maintaining a higher average at 62%, compared to August's 56%. For those interested in more details on August weather, check out Poiana Negrii weather in August.

In comparing the weather between September and October, September showcases a wider range of temperatures, with a minimum of -4°C (24°F) and a maximum of 26°C (80°F), averaging around 11°C (53°F). It also experiences relatively lower humidity at 62% and higher precipitation levels, totaling 65 mm (2.6 in) over 11 days. In contrast, October sees a slight drop in average temperature to 7°C (44°F), with a maximum of 22°C (72°F) and a minimum of -5°C (24°F). October also has less precipitation at 50 mm (2.0 in), over 8 days, but an increase in humidity to 80%. For more insights on the weather in October, you can visit Poiana Negrii weather in October.

In September, temperatures vary significantly from a low of -4°C (24°F) to a comfortable high of 26°C (80°F), making it a month of warm, pleasant days. Precipitation is moderate at 65 mm (2.6 in) over 11 days, and humidity sits at a manageable 62%. In contrast, November brings a more wintry chill, with temperatures dropping to a minimum of -13°C (8°F) and an average of just 2°C (36°F). Precipitation decreases to 33 mm (1.3 in) over 9 days, but the humidity rises to a higher 89%, making the air feel quite damp and cold. For a detailed look at November conditions, check Poiana Negrii weather in November.

September and December present starkly contrasting weather conditions. In September, temperatures range from a mild -4°C (24°F) at night to a pleasant 26°C (80°F) during the day, with an average of 11°C (53°F). The month experiences moderate precipitation of 65 mm (2.6 in) over 11 days, accompanied by a humidity level of 62%. In contrast, December ushers in much colder conditions, with temperatures plummeting to a minimum of -19°C (-1°F) and a maximum of only 8°C (47°F), leading to an average of -3°C (27°F). Precipitation levels rise slightly to 76 mm (3.0 in), spread over 16 days, and humidity escalates to a notable 90%. For those interested in exploring more about December weather in Poiana Negrii, you can find additional details here: Poiana Negrii weather in December.

Compare Poiana Negrii's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Poiana Negrii

As summer transitions into autumn, September in Poiana Negrii offers a unique blend of temperatures and weather patterns that set it apart from other months. With a maximum of 26°C (80°F), the days can still feel pleasantly warm, yet the average temperature of 11°C (53°F) hints at the approaching chill of fall. The shift is further marked by increased precipitation, with around 11 rainy days adding a refreshing element to the crisp air. This month’s humidity level of 62% creates a more damp atmosphere, making September a time of transformation for both the landscape and the climate. For a deeper dive into the weather nuances of this enchanting region, check out the detailed information on Poiana Negrii Climate.