September Weather in Stefan cel Mare, Romania

Last updated: August 27, 2025

In September, Stefan cel Mare, Romania, experiences a delightful blend of warm days and cooler nights, with maximum temperatures soaring up to 36°C (97°F) and an average of 19°C (67°F). While the month marks the transition into autumn, it maintains a mild atmosphere with minimum temperatures dipping to 1°C (34°F). Precipitation is relatively low, totaling just 19 mm (0.8 in) over two days, allowing plenty of time to enjoy the gentle 57% humidity. This makes September an inviting month for outdoor activities amidst the picturesque scenery.

September Temperature in Stefan cel Mare

In September, Stefan cel Mare, Romania transitions beautifully from the sweltering summer heat to the gentle embrace of autumn. With minimum temperatures around 1°C (34°F), the cooler air begins to set in, creating a refreshing change from the previous months. The average temperature stabilizes at 19°C (67°F), striking a delightful balance that invites outdoor activities and exploration. As the days linger pleasantly warm, with maximums reaching up to 36°C (97°F), the region still retains a hint of summer’s warmth. This month serves as a bridge between seasons, offering locals and visitors alike an opportunity to enjoy the stunning landscapes of Romania in a milder climate.

September Weather in Stefan cel Mare: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Stefan cel Mare, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stefan cel Mare, 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).
JanFebMarAprMayJunJulAugSepOctNovDec323744546370747667554536
Data source: Temperature data for Stefan cel Mare generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Stefan cel Mare

September in Stefan cel Mare, Romania, marks a significant drop in precipitation, with only 19 mm (0.8 in) falling over just 2 days. This shift highlights a transition from the summer months, which typically bring more substantial rainfall, especially June's peak of 141 mm (5.5 in). As the region moves further into autumn, September's drier conditions set the stage for the wetter months ahead, where October sees a rebound with 63 mm (2.5 in) anticipated. The notable reduction in both precipitation amount and rainy days signals a gradual end to the summer season, making way for the crisp, clearer skies of fall.

September Precipitation Trends in Stefan cel Mare

The chart displays monthly precipitation patterns in Stefan cel Mare, 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 Stefan cel Mare, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4240634287141924020634368
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Stefan cel Mare

In September, humidity in Stefan cel Mare, Romania, settles at a moderate 57%, marking a noticeable increase from the preceding summer months, where August experienced a low of 48%. This shift reflects the transition from the warm, dry days of summer towards the cooler, more humid conditions of autumn. As the year progresses, humidity levels rise again, peaking in the colder months, with October climbing to 79%, while winter months such as November and December see levels soar to 87% and 88% respectively. Overall, the data reveals a clear seasonal pattern: humidity tends to decrease through the spring and summer, only to rise again as the temperatures drop in fall and winter.

September Average Humidity in Stefan cel Mare

This chart illustrates the average monthly humidity levels in Stefan cel Mare, 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 Stefan cel Mare is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%85%82%73%71%70%66%48%57%79%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Stefan cel Mare

As summer fades into autumn in Stefan cel Mare, Romania, September brings a notable shift in the UV Index, which registers at 7—falling within the high exposure category. This indicates that while the intensity of sunlight remains significant, the risks of overexposure are slightly lower than in July and August, where the indices peaked at 9 during the "very high" months. With a burn time of just 25 minutes, it's essential to stay vigilant while enjoying the outdoors. As the season transitions, the UV Index smooths out to 5 in October, paving the way for a gradual decrease in sun intensity. To learn more about seasonal UV trends and prepare for your outdoor activities, visit Stefan cel Mare UV Index.

Maximum UV Index Levels in Stefan cel Mare for September

The chart shows the monthly maximum UV Index (UVI) for Stefan cel Mare 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 Stefan cel Mare typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236789987532
Data source: Stefan cel Mare 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 Stefan cel Mare

As summer gracefully transitions to autumn, September in Stefan cel Mare, Romania continues to embrace the warmth of the sun with an impressive 342 hours of sunshine. This marks a delightful reduction from the sun-drenched peaks of July and August, which basked in over 400 hours each, yet still offers significantly more light than the colder months ahead. The trend showcases a gradual decline as the year progresses, with sunshine dwindling from the highs of summer towards the more subdued days of fall. This golden month serves as a perfect bridge between the lively warmth of summer and the crispness of autumn, inviting both locals and visitors to revel in the lingering sunshine while it lasts.

Monthly Sunshine Duration in Stefan cel Mare: September Highlighted

The September sunshine duration represents the total number of hours Stefan cel Mare 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.
JanFebMarAprMayJunJulAugSepOctNovDec167h229h291h341h392h404h424h404h342h286h206h188h
Data source: Stefan cel Mare September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Stefan cel Mare During September

In September, Stefan cel Mare, Romania experiences a notable shift in weather patterns as the summer warmth begins to wane. With a 60% chance of sunny days, this month stands out as a transition period, following the high sunshine rates of July and August, both at a robust 71%. As the region moves into autumn, the likelihood of basking in sunlight remains significant, significantly higher than in the cooler months that lie ahead, such as October, with only 42% sunshine. This makes September an appealing time for outdoor activities, where one can still enjoy pleasant weather before the colder days settle in.

Percentage of Sunny Days in September in Stefan cel Mare

The chart illustrates the percentage of sunny days in Stefan cel Mare 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 Stefan cel Mare experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%39%43%39%42%44%71%71%60%42%37%27%
Data source: Stefan cel Mare September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Stefan cel Mare in September

In Stefan cel Mare, Romania, September marks a subtle transition as daylight begins to wane, offering around 12 hours of sunshine each day. This decline follows a peak in summer, where June and July bask in 15 hours of daylight, creating a vibrant atmosphere for outdoor activities. As autumn approaches, the gradual decrease in daylight reflects a shift in nature, with August already seeing a reduction to 13 hours. The pleasant September days serve as a gentle reminder of the changing seasons, setting the stage for the shorter daylight hours of October and November, leading towards the depths of winter. Thus, September beautifully balances lingering summer warmth with the onset of fall's cozy embrace.

Average Daylight Hours in Stefan cel Mare for September

The chart illustrates the variation in daylight duration in Stefan cel Mare throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 14m10h 26m11h 56m13h 29m14h 48m15h 29m15h 8m13h 57m12h 28m10h 56m9h 34m8h 52m
Data source: Stefan cel Mare daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Stefan cel Mare

As September unfolds in Stefan cel Mare, Romania, the average wind speed settles at a gentle 2.7 m/s (6 mph), reminiscent of the soft breezes earlier in the spring. This month marks a subtle transition, as the winds begin to pick up slightly from the summer months, where they hovered around 2.5 m/s (6 mph). Comparatively, autumn's approach can be felt as wind speeds transition from the languid afternoons of June and July, which recorded the year's lowest breezes. Interestingly, October hints at a notable increase, with averages rising to 3.1 m/s (7 mph), suggesting that while September offers a calm interlude, the winds are gearing up for a brisker pace just around the corner. Overall, September serves as a gentle reminder of nature's rhythmic changes, blending the warmth of summer with the crisp anticipation of fall.

Average September Wind Speed in Stefan cel Mare

The chart displays monthly wind speed patterns in Stefan cel Mare, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.02.82.72.83.01.92.52.52.7 m/s3.12.52.8
Data source: Stefan cel Mare September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Stefan cel Mare Compares to Other Months

Weather in Stefan cel Mare varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Stefan cel Mare, 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 brisk 1°C (34°F) at night to a warm 36°C (97°F) during the day, accompanied by relatively low precipitation of 19 mm (0.8 in) over just 2 days and a humidity level of 57%. On the other hand, January experiences significantly colder temperatures, with a minimum of -23°C (-9°F) and an average temperature of 0°C (32°F). This month sees more precipitation at 41 mm (1.6 in) spread across 7 days, along with a higher humidity level of 88%. For a closer look at the conditions during January, you can visit Stefan cel Mare weather in January.

September and February present two contrasting weather experiences. In September, temperatures range from a mild 1°C (34°F) at night to a warm 36°C (97°F) during the day, with an average of 19°C (67°F). The month sees a low level of precipitation, totaling just 19 mm (0.8 in) over only 2 days, along with a comfortable humidity level of 57%. In stark contrast, February is significantly colder, with temperatures dipping as low as -15°C (5°F) and averaging only 3°C (38°F). It can reach a maximum of 20°C (69°F), but the overall feel is much chillier. February also has a higher precipitation level of 40 mm (1.6 in) spread across 7 days, contributing to a higher humidity of 85%. For more detailed information on February weather in the region, check Stefan cel Mare weather in February.

September and March present strikingly different weather conditions. In September, temperatures range from a chilly 1°C (34°F) at night to a warm average of 19°C (67°F) during the day, peaking at a scorching 36°C (97°F). The month is relatively dry with only 19 mm (0.8 in) of precipitation over just two days, and humidity levels at a comfortable 57%. In contrast, March experiences much colder temperatures, dipping as low as -19°C (-1°F) and averaging around 6°C (44°F), with a maximum of 24°C (75°F). This month is wetter, accumulating 63 mm (2.5 in) of precipitation over ten days, accompanied by higher humidity at 82%. For a detailed overview of March weather, you can explore Stefan cel Mare weather in March.

September and April present contrasting weather patterns. In September, temperatures range from a chilly 1°C (34°F) to a warm 36°C (97°F), with an average of 19°C (67°F). The month sees relatively low precipitation at 19 mm (0.8 in) over just two days, coupled with humidity levels around 57%. In contrast, April experiences cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 29°C (84°F), averaging 12°C (54°F). This month is significantly wetter, accumulating 41 mm (1.6 in) of rainfall across seven days and higher humidity at 73%. For more detailed weather information, you can explore Stefan cel Mare weather in April.

September and May present distinct weather patterns. In September, temperatures can range from a chilly 1°C (34°F) at night to a sweltering high of 36°C (97°F), with an average temperature of 19°C (67°F). The month sees relatively low precipitation, totaling just 19 mm (0.8 in) over only 2 days, and a humidity level of 57%. In contrast, May offers milder temperatures, with a minimum of 4°C (39°F) and a maximum reaching 31°C (89°F), averaging 17°C (63°F). However, May experiences more rainfall, accumulating 87 mm (3.4 in) across 13 days, along with higher humidity at 71%. For detailed insights into the weather in May, you can refer to Stefan cel Mare weather in May.

September and June present notable differences in weather patterns. In September, temperatures can range from a cool 1°C (34°F) at night to a warm 36°C (97°F) during the day, with an average of 19°C (67°F). The month experiences relatively low precipitation, totaling just 19 mm (0.8 in) over about two days, contributing to a humidity level of 57%. In contrast, June is characterized by warmer temperatures, with a minimum of 7°C (44°F) and an average of 21°C (70°F), peaking at a high of 36°C (98°F). However, it is much rainier, accumulating 141 mm (5.5 in) of rainfall over 17 days, resulting in higher humidity at 70%. For a detailed look at weather specifics, you can check Stefan cel Mare weather in June.

In comparing the weather between July and September, it's clear that July is generally warmer, with average temperatures reaching 23°C (74°F) compared to September’s 19°C (67°F). July also experiences higher maximum temperatures, peaking at 37°C (100°F), while September sees highs of 36°C (97°F). However, September is considerably drier, with only 19 mm (0.8 in) of precipitation over just 2 days, compared to July's much wetter conditions, where it receives 92 mm (3.6 in) of rain over 11 days. Additionally, humidity levels are slightly higher in July at 66%, compared to 57% in September. For more detailed information on July weather, you can check Stefan cel Mare weather in July.

In September, the weather shows a notable shift compared to August, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 36°C (97°F), and an average temperature of 19°C (67°F). This represents a cooler average than August, where temperatures ranged from a minimum of 11°C (51°F), an average of 24°C (76°F), to a maximum of 38°C (101°F). Additionally, September experiences less precipitation, with only 19 mm (0.8 in) falling over 2 days, whereas August sees more rainfall at 40 mm (1.6 in) across 6 days. Humidity levels also differ, with September at 57% compared to August's 48%. For more details, check out Stefan cel Mare weather in August.

In September, the weather is considerably warmer, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 36°C (97°F) and an average of 19°C (67°F). The month experiences relatively low precipitation, totaling just 19 mm (0.8 in) over only 2 days, and maintains a humidity level of 57%. In contrast, October brings cooler temperatures, with a minimum of 0°C (33°F), an average of 13°C (55°F), and a maximum of 29°C (84°F). Rainfall significantly increases to 63 mm (2.5 in) over 6 days, and humidity rises to 79%. This transition illustrates a marked shift from the warm, dry conditions of September to the cooler and wetter climate typical of October. For more detailed information, you can check Stefan cel Mare weather in October.

September and November exhibit a stark contrast in weather conditions. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 36°C (97°F), with an average of 19°C (67°F). The month sees relatively low precipitation at 19 mm (0.8 in) over just 2 days and moderate humidity at 57%. In contrast, November experiences much cooler temperatures, with a minimum of -8°C (17°F), an average of 7°C (45°F), and a maximum of 27°C (80°F). Precipitation increases significantly to 43 mm (1.7 in) over 8 days, and humidity rises to 87%. For a detailed look at the climate during this time, check out Stefan cel Mare weather in November.

September and December present stark contrasts in weather. September boasts a relatively mild climate, with average temperatures ranging from 1°C (34°F) to a warm 36°C (97°F), accompanied by low precipitation and moderate humidity at 57%. In contrast, December ushers in a much colder atmosphere, where temperatures dip to a minimum of -11°C (12°F) and average only around 2°C (37°F). This month sees significantly higher precipitation, totaling 68 mm (2.7 in) over ten days, along with increased humidity at 88%. For a more detailed look at December weather, you can visit Stefan cel Mare weather in December.

Compare Stefan cel Mare's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Stefan cel Mare

September in Stefan cel Mare brings a refreshing shift from the summer heat, as temperatures average a comfortable 19°C (67°F), far more pleasant compared to the blistering highs of July and August. While the month's peak can still reach a sweltering 36°C (97°F), the evenings often cool down significantly, making for perfect outdoor experiences. With only two days of rainfall and a lower humidity of 57%, this month is ideal for enjoying the beautiful scenery without the sweltering discomfort. For those curious about the broader trends in weather, explore more about the region's patterns in the Stefan cel Mare Climate section!