September Weather in Poiana, Romania

Last updated: August 27, 2025

In September, Poiana, Romania experiences a delightful transition from summer to autumn. Temperatures range from a maximum of 29°C (84°F) to a refreshing average of 15°C (59°F), with nighttime lows dipping to -2°C (28°F). This month sees about 73 mm (2.9 in) of precipitation spread across 8 days, contributing to a 68% humidity level that enhances the crispness in the air. Visitors can relish the vibrant autumn foliage while enjoying comfortable hiking conditions, making it a perfect time for outdoor adventures.

September Temperature in Poiana

In September, Poiana, Romania, experiences a delightful transition as it bids farewell to summer's heat. Temperatures during this month typically range from a crisp -2°C (28°F) at night to a pleasant 29°C (84°F) during the day, reflecting a comfortable average of 15°C (59°F). This shift marks a notable cooling from the sweltering peaks of August, while still allowing for warm afternoons, perfect for outdoor activities amidst the stunning autumn landscape. As summer wanes and fall approaches, the weather invites visitors to enjoy vibrant foliage and crisp mountain air, creating an ideal atmosphere for exploration and relaxation alike.

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

The chart illustrates September temperature patterns in Poiana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Poiana, 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).
JanFebMarAprMayJunJulAugSepOctNovDec283539485664666859504334
Data source: Temperature data for Poiana 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

In September, Poiana, Romania, experiences a precipitation level of 73 mm (approximately 2.9 inches), mirroring January's rainfall and indicating a return to a more temperate pattern after the drier months of summer. With only 8 days of rain, this month marks one of the lower precipitation counts of the year, highlighting a transition as autumn approaches. This decline in rainy days compared to the wetter summer months suggests that while humidity lingers, the region begins to enjoy more sunlit days, setting the stage for the vivid fall foliage to flourish. Overall, September presents a harmonious balance of moisture and sunshine, making it a delightful time to explore the natural beauty of the area.

September Precipitation Trends in Poiana

The chart displays monthly precipitation patterns in Poiana, 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, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec738374671371458460736765109
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Poiana

In September, Poiana, Romania experiences a notable shift in humidity, with levels averaging 68%. This marks a slight increase from the drier summer months of July and August, which recorded 71% and 62% respectively. As summer fades, the air begins to retain more moisture, hinting at the changing seasons. Following this brief respite, humidity levels rise again in the autumn, peaking at 84% in October. Overall, September serves as a transitional month, bridging the drier summer and the more humid fall, creating a refreshingly crisp atmosphere ideal for outdoor exploration.

September Average Humidity in Poiana

This chart illustrates the average monthly humidity levels in Poiana, 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 is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%83%75%72%72%71%62%68%84%90%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Poiana

In September, Poiana, Romania experiences a UV Index of 7, falling into the high exposure category. This shift marks a transition from the peak summer months, where values reached a maximum of 9 in both June and July, indicating very high UV radiation levels. As we enter autumn, the burn time increases to 25 minutes, giving sun-seekers a bit more leeway compared to the more intense summer months. However, with the UV Index remaining significantly elevated, it's essential to remain vigilant and take appropriate precautions to protect your skin. For those planning outdoor activities, monitoring the UV Index is crucial—stay informed and safe. For more detailed information, visit Poiana UV Index.

Maximum UV Index Levels in Poiana for September

The chart shows the monthly maximum UV Index (UVI) for Poiana 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 typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987432
Data source: Poiana 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

September in Poiana, Romania, offers a delightful balance of sunshine as the summer warmth begins to wane. With 334 hours of sun, the month continues the trend of abundant light seen in the peak summer months of June, July, and August. Despite a dip from August's 402 hours, September retains a generous share of sunshine, marking a shift toward the gentler brightness of autumn. As days grow shorter, the gradual decline in sun hours from the summer peak still ensures plenty of opportunities for outdoor adventures amid the stunning mountain scenery. Notably, this transition sets the stage for October, which brings 279 hours of sunlight, illustrating a natural ebb in daylight as the vibrant colors of fall take center stage.

Monthly Sunshine Duration in Poiana: September Highlighted

The September sunshine duration represents the total number of hours Poiana 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.
JanFebMarAprMayJunJulAugSepOctNovDec160h206h284h343h380h399h426h402h334h279h213h175h
Data source: Poiana September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Poiana During September

In Poiana, Romania, September marks a delightful transition into autumn, with a 50% chance of sunny weather. This provides a striking balance as the region moves from the summer months, where sunshine levels peak around 53% in both June and August. Interestingly, September's likelihood of sun is on par with October, indicating that the sun still graces the area even as temperatures start to cool. With this moderate sunshine, visitors can enjoy outdoor activities amidst the stunning fall foliage without the intense heat of the summer months, making September an ideal time to experience the region's natural beauty.

Percentage of Sunny Days in September in Poiana

The chart illustrates the percentage of sunny days in Poiana 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 experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%34%45%33%39%53%52%53%50%51%40%16%
Data source: Poiana September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Poiana in September

As the summer transitions into autumn, September in Poiana, Romania offers a balanced daylight duration of approximately 12 hours. Following the peak of 15 hours in June, July, and August, the daylight begins to wane, signaling a shift in the season. This gradual descent from the long, sunlit days of summer to the shorter, more intimate moments of fall creates a picturesque ambiance, perfect for enjoying the vibrant foliage. With October bringing just 10 hours of daylight, September marks the last glimpse of extended warm days before the brisk chill of winter sets in, inviting visitors to indulge in the lingering warmth of early autumn.

Average Daylight Hours in Poiana for September

The chart illustrates the variation in daylight duration in Poiana throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 2m10h 19m11h 56m13h 35m15h15h 44m15h 21m14h 5m12h 30m10h 51m9h 23m8h 38m
Data source: Poiana daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Poiana

As summer phases into autumn in Poiana, Romania, the September winds whisper a gentle transition, with average speeds dipping to 1.7 m/s (4 mph). This slight decrease follows a consistent trend observed throughout the year, where wind speeds hover around 2.1 m/s (5 mph) in the colder months, only to soften as the warmth of summer begins to fade. The months of April to August showcase a steady 1.8 m/s (4 mph), indicating calm conditions that invite the crispness of fall. As October approaches and the winds further temper to 1.4 m/s (3 mph), one can feel the refreshing shift in the air, marking nature's quiet preparation for the chill of winter ahead.

Average September Wind Speed in Poiana

The chart displays monthly wind speed patterns in Poiana, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.12.11.82.11.81.81.81.7 m/s1.41.71.8
Data source: Poiana September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Poiana Compares to Other Months

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

September weather is characterized by a moderate temperature range, with minimums around -2°C (28°F) and average highs reaching up to 29°C (84°F). The month experiences 73 mm (2.9 in) of precipitation over about 8 days, combined with a relatively comfortable humidity level of 68%. In contrast, January brings much colder conditions, with temperatures dropping as low as -23°C (-9°F) and average highs only reaching 12°C (54°F). Despite having the same amount of precipitation, 73 mm (2.9 in), January sees this distribution over more days, approximately 12, resulting in a higher humidity level of 89%. For a detailed look at January weather, you can check Poiana weather in January.

September and February present strikingly different weather conditions. In September, temperatures range from a crisp -2°C (28°F) at night to a warm 29°C (84°F) during the day, with an average temperature of 15°C (59°F). The month experiences a total precipitation of 73 mm (2.9 in) over about 8 days, accompanied by a moderate humidity of 68%. In contrast, February brings much colder weather, with minimum temperatures plummeting to -21°C (-5°F) and a maximum of only 17°C (63°F), resulting in an average temperature of just 1°C (35°F). The precipitation slightly increases to 83 mm (3.3 in) during 12 days, and humidity rises to 87%. For a detailed look at Poiana's weather in February, check out this link: Poiana weather in February.

In comparing the weather between September and March, we see significant differences in temperature and humidity. September experiences a milder range, with temperatures ranging from a chilly -2°C (28°F) to a warm 29°C (84°F) and an average of 15°C (59°F). The month sees about 73 mm (2.9 in) of precipitation over approximately 8 days, and the humidity levels are at a comfortable 68%.

Conversely, March presents a sharper chill, with temperatures dropping as low as -22°C (-7°F) and peaking at 22°C (72°F), resulting in a much lower average of 4°C (40°F). Despite a similar total precipitation of 74 mm (2.9 in) over 12 days, March is generally wetter with higher humidity at 83%. This comparison highlights how dramatically weather conditions can shift from early fall to early spring. For more insights, you can check the detailed Poiana weather in March.

In comparing the weather of September and April, we see distinct differences in temperature and humidity levels. September tends to be warmer, with average temperatures around 15°C (59°F) and highs reaching 29°C (84°F), while April is cooler, averaging 9°C (48°F) with maximum temperatures of 26°C (79°F). Surprisingly, April has slightly higher humidity at 75% compared to September's 68%. Both months experience similar levels of precipitation, with September receiving 73 mm (2.9 in) over 8 days and April having 67 mm (2.6 in) over 10 days. For more specific details about April weather, please visit Poiana weather in April.

September and May present distinct differences in weather patterns. September enjoys a broader temperature range, with highs reaching up to 29°C (84°F) and a pleasant average of 15°C (59°F), while May has slightly cooler averages at 13°C (56°F) and maximums of 27°C (81°F). Rainfall is more prevalent in May, with 137 mm (5.4 in) of precipitation over 18 days compared to September's 73 mm (2.9 in) over 8 days. Humidity levels are similar, with May slightly higher at 72% versus September's 68%. For more specific insights, you can explore Poiana weather in May.

September and June exhibit distinct weather patterns, reflecting the transition from summer to autumn. In June, temperatures are generally warmer, with minimums around 5°C (41°F) and maximums reaching up to 33°C (91°F), while September sees a wider range with minimums dropping to -2°C (28°F) and maximums peaking at 29°C (84°F). The average temperature in June is also higher at 18°C (65°F) compared to September's 15°C (59°F). Additionally, June experiences significantly more precipitation, totaling 144 mm (5.7 in) over 17 days, compared to September's 73 mm (2.9 in) over just 8 days. The humidity remains relatively similar, with June at 72% and September at 68%. For a deeper look at the weather trends for June specifically, check out Poiana weather in June.

In comparing the weather of September to July, one can observe notable differences. September experiences a broader temperature range with a minimum of -2°C (28°F) and a maximum of 29°C (84°F), leading to an average temperature of 15°C (59°F). In contrast, July features milder conditions, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 32°C (90°F), resulting in a warmer average of 19°C (67°F). Precipitation is slightly higher in July at 84 mm (3.3 in) over 12 days, compared to September's 73 mm (2.9 in) over 8 days. Humidity levels are also similar, with July at 71% and September at 68%. For more specific insights on July weather, you can check out Poiana weather in July.

Comparing the weather in September to that of August reveals notable differences in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of -2°C (28°F) and an average of 15°C (59°F), in stark contrast to August, which boasts a milder minimum of 6°C (43°F) and an average of 20°C (68°F). While August can reach a maximum of 34°C (94°F), September peaks at a more temperate 29°C (84°F). In terms of precipitation, September receives slightly more rainfall at 73 mm (2.9 in) over 8 days, compared to August's 60 mm (2.4 in) across 10 days. Additionally, September has a higher humidity level at 68%, compared to August's 62%. For more detailed insights, you can check Poiana weather in August.

September and October exhibit notable differences in weather conditions. September experiences a warmer climate with average temperatures around 15°C (59°F) and maximums reaching 29°C (84°F). In contrast, October sees a drop in average temperatures to 10°C (51°F), with maximums only reaching 25°C (78°F). Precipitation is slightly lower in September at 73 mm (2.9 in) over 8 days, compared to October's 67 mm (2.6 in) over 10 days, indicating more frequent but lighter rain during the latter month. Moreover, October brings higher humidity levels at 84%, up from September's 68%, adding to the crispness of the air. For more detailed information, check out Poiana weather in October.

September and November present distinct weather patterns. In September, temperatures range from a cooler minimum of -2°C (28°F) to a warm maximum of 29°C (84°F), with an average of 15°C (59°F). This month sees about 73 mm (2.9 in) of precipitation spread over 8 days, accompanied by a moderate humidity of 68%. In contrast, November is characterized by lower temperatures, with a minimum of -5°C (23°F) and a maximum of 23°C (73°F), resulting in an average of only 6°C (43°F). Precipitation decreases slightly to 65 mm (2.5 in), but occurs on more days, totaling 11, along with higher humidity levels of 90%. For a detailed look at what to expect, check out Poiana weather in November.

September and December present strikingly different weather conditions. In September, temperatures range from a chilly -2°C (28°F) at their lowest to a pleasant 29°C (84°F) at their peak, with an average of 15°C (59°F). Precipitation is relatively moderate at 73 mm (2.9 in) over about 8 days, and the humidity stands at 68%. In contrast, December brings significantly colder weather, with temperatures dropping to a minimum of -17°C (2°F) and only reaching an average maximum of 15°C (59°F), averaging around 1°C (35°F). This month also experiences increased precipitation, totaling 109 mm (4.3 in) across approximately 15 days, and a notable rise in humidity to 92%. For more details on the December weather conditions, check out Poiana weather in December.

Compare Poiana's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Poiana

As September arrives in Poiana, the weather transitions into a delightful blend of summer warmth and autumn coolness. With temperatures ranging from pleasantly mild to brisk, this month offers a refreshing escape from the heat of summer. The average temperature settles around a comfortable 15°C, making it ideal for outdoor activities. However, be prepared for the occasional rain, as 73 mm of precipitation typically graces the area over about 8 days. This unique combination of mild days and cooler nights truly sets September apart from the sizzling summer months. Embrace the changing season and explore more about the region's weather patterns at Poiana Climate.