September Weather in Rosia Montana, Romania

Last updated: August 27, 2025

September in Rosia Montana, Romania, showcases a striking contrast in weather, featuring maximum temperatures peaking at a warm 29°C (84°F), while the average settles around a cool 14°C (57°F), and occasionally dipping to a brisk minimum of -3°C (26°F). This month experiences approximately 73 mm (2.9 in) of precipitation spread over 10 days, contributing to a pleasant humidity level of 64%. Such conditions create a unique atmosphere, ideal for outdoor activities amidst the enchanting autumn colors of the region.

September Temperature in Rosia Montana

In September, Rosia Montana transitions into a crisp autumn, bringing a refreshing shift in temperatures. The month kicks off with minimums around -3°C (26°F) and an average of 14°C (57°F), making it a comfortable time for outdoor exploration. As September progresses, daytime highs can reach up to 29°C (84°F), offering a delightful blend of warm sunshine and cool breezes. This gradual cooldown from the summer heat is evident as temperatures give a hint of the cooler months ahead, with October just around the corner. Overall, September in Rosia Montana is characterized by a charming mix of warm days and crisp evenings, perfect for enjoying the beautiful surrounding landscapes.

September Weather in Rosia Montana: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rosia Montana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosia Montana, 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).
JanFebMarAprMayJunJulAugSepOctNovDec273337465461636557484032
Data source: Temperature data for Rosia Montana 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 Rosia Montana

In September, Rosia Montana experiences a moderate amount of precipitation, with 73 mm (2.9 in) falling over 10 days. This marks a noticeable shift from the summer months, as rainfall begins to taper off after the peak seen in June and July, where precipitation levels soared above 200 mm. Compared to the 155 mm (6.1 in) recorded in May and 131 mm (5.2 in) in August, September's rainfall indicates a transition towards the drier months ahead. Despite the decrease, the relatively stable precipitation pattern reflects the region's bracing for autumn, making September an ideal time to appreciate the vibrant colors of fall against the backdrop of diminishing rainfall.

September Precipitation Trends in Rosia Montana

The chart displays monthly precipitation patterns in Rosia Montana, 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 Rosia Montana, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4249646815520319413173484270
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rosia Montana

In September, Rosia Montana, Romania experiences a notable shift in humidity levels, settling at 64%. This marked increase from August's 55% indicates a gradual return to the higher humidity typical of the fall months, as seen with the rising figures in October and November, which peak at 83% and 91%, respectively. The trend throughout the year reveals a clear transition: while the winter months start with a staggering 93% in January, humidity steadily decreases to a summer low of 55% in August, before rounding back up as autumn approaches. This cyclical pattern highlights Rosia Montana's dynamic climate, making September a pivotal moment when the fresh air of summer begins to give way to the damp embrace of autumn.

September Average Humidity in Rosia Montana

This chart illustrates the average monthly humidity levels in Rosia Montana, 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 Rosia Montana is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%88%87%79%71%71%64%55%64%83%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rosia Montana

In September, Rosia Montana experiences a UV Index of 7, falling into the high exposure category and indicating a notable shift as the summer sun begins to wane. After a peak in July and August with a UV Index of 9, September maintains a healthy intensity but allows for a more manageable burn time of 25 minutes compared to the previous months. As autumn approaches, the UV levels begin to decline, transitioning to a moderate index in October. This seasonal trend emphasizes the importance of sun protection, even as temperatures cool—be sure to stay informed about the latest UV conditions by checking the Rosia Montana UV Index.

Maximum UV Index Levels in Rosia Montana for September

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

As September rolls into Rosia Montana, a noticeable shift in sunlight hours becomes apparent, with the town basking in 338 hours of radiant sunshine. This month sees a gentle decline from the peak summer brightness of 425 hours in July, yet it still reaps the benefits of longer days compared to earlier months like January and February. The gradual decrease in sunlight through the autumn months hints at the transition into winter, with October presenting a further dip to 286 hours. However, September remains a vibrant time, marked by the rich colors of fall foliage and a warm, nostalgic embrace of the fading summer sun.

Monthly Sunshine Duration in Rosia Montana: September Highlighted

The September sunshine duration represents the total number of hours Rosia Montana 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.
JanFebMarAprMayJunJulAugSepOctNovDec163h213h288h347h388h404h425h403h338h286h222h182h
Data source: Rosia Montana September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rosia Montana During September

As autumn approaches, September in Rosia Montana, Romania, presents a 43% chance of sunny weather, offering a delightful blend of warm days and crisp evenings. This represents a slight drop from the peak sunny days experienced in the summer months of July and August, which boast probabilities of 48% and 51%, respectively. However, September still stands out as a favorable month for outdoor activities, maintaining a better likelihood of sunshine compared to the transitioning months of October and November. This pattern reflects the broader seasonal shift, showcasing how summer gives way to the cooler days of fall while still granting visitors a taste of late-season sun.

Percentage of Sunny Days in September in Rosia Montana

The chart illustrates the percentage of sunny days in Rosia Montana 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 Rosia Montana experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%39%39%32%35%37%48%51%43%50%39%20%
Data source: Rosia Montana September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rosia Montana in September

As summer transitions into autumn in Roșia Montană, Romania, September marks a gentle decline in daylight hours, offering 12 hours of sunlight compared to the highs of 15 hours seen in June and July. This gradual shift reflects a broader trend throughout the year, where daylight peaks in the warmer months before a steady descent begins. Following the exuberance of summer, September presents a charming interlude as the landscape begins to change color, inviting residents and visitors alike to savor the last warm rays of the year before the shorter, cozier days of autumn set in. The rhythm of daylight in Roșia Montană beautifully mirrors the changing seasons, creating a captivating backdrop for outdoor adventures.

Average Daylight Hours in Rosia Montana for September

The chart illustrates the variation in daylight duration in Rosia Montana throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 3m10h 19m11h 56m13h 35m14h 59m15h 42m15h 20m14h 4m12h 29m10h 51m9h 24m8h 39m
Data source: Rosia Montana daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Rosia Montana

As September unfolds in Rosia Montana, Romania, the average wind speed gently settles at 1.7 m/s (4 mph), marking a slight uptick from the calm summer months. This transitional period not only heralds the onset of autumn but also reflects a subtle shift in wind patterns that have been relatively consistent over the year. After a series of tranquil summer breezes averaging around 1.6 m/s (4 mph), September brings a whisper of freshness, hinting at the dynamic changes to come in the cooler months ahead. The overall trend reveals a gradual increase in wind speed from the stillness of early summer, culminating in a delicate balance that characterizes this charming Romanian village during the early autumn days.

Average September Wind Speed in Rosia Montana

The chart displays monthly wind speed patterns in Rosia Montana, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.01.82.02.21.41.61.61.7 m/s1.81.71.9
Data source: Rosia Montana September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Rosia Montana Compares to Other Months

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

In September, the weather is generally mild and pleasant, characterized by an average temperature of 14°C (57°F) and maximum highs reaching up to 29°C (84°F). The month experiences around 73 mm (2.9 in) of precipitation over approximately 10 days, with a humidity level of 64%. In contrast, January brings significantly colder temperatures, with an average of -3°C (27°F) and minimum lows plummeting to -19°C (-2°F). This winter month sees less precipitation at 42 mm (1.7 in) over the same number of days, but the humidity is notably higher at 93%. For a detailed look at winter conditions in this area, you can refer to Rosia Montana weather in January.

September and February present contrasting weather patterns, with September offering a more temperate climate. 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), accompanied by moderate rainfall of 73 mm (2.9 in) over about 10 days. By contrast, February is markedly colder, with temperatures dropping to a minimum of -15°C (6°F) and reaching a maximum of only 16°C (61°F), averaging around 0°C (33°F). Precipitation is less in February at 49 mm (1.9 in), but the humidity is higher at 88%, making it feel much chillier. For a deeper understanding of February's weather in the area, you can visit Rosia Montana weather in February.

When comparing the weather in September and March, notable differences emerge. September typically experiences milder temperatures, with a minimum of -3°C (26°F) and an average of 14°C (57°F), peaking at 29°C (84°F). In contrast, March is significantly colder, featuring a minimum of -14°C (6°F) and an average of just 3°C (38°F), though it can reach a maximum of 21°C (69°F). Precipitation levels are relatively similar, with September receiving 73 mm (2.9 in) across about 10 days, while March has slightly less at 64 mm (2.5 in) over 13 days, but with higher humidity at 86%. For more specific details, check out Rosia Montana weather in March.

When comparing the weather in September and April, significant differences emerge. September tends to be warmer, with an average temperature of 14°C (57°F) and a maximum reaching 29°C (84°F), while April averages only 8°C (46°F) and peaks at 24°C (76°F). However, April is marked by higher humidity at 79%, compared to September’s 64%, contributing to a cooler overall feel despite warmer temperatures. Precipitation levels are relatively similar, with September experiencing 73 mm over about 10 days and April slightly less at 68 mm over 12 days. For more details specific to April, you can check Rosia Montana weather in April.

In September, temperatures fluctuate more dramatically, with a minimum of -3°C (26°F) and a maximum of 29°C (84°F), resulting in an average of 14°C (57°F). This month experiences relatively moderate precipitation of 73 mm (2.9 in) over 10 days and humidity at 64%. In contrast, May offers milder conditions, with a minimum temperature of -1°C (30°F) and a maximum of 24°C (76°F), leading to an average of 12°C (54°F). However, May is quite a wet month, with 155 mm (6.1 in) of rain spread over 20 days and a slightly higher humidity level of 71%. For a more detailed look at May weather, you can visit Rosia Montana weather in May.

In comparing the weather between September and June, notable differences emerge. September enjoys a broader range of temperatures, with minimums dipping as low as -3°C (26°F) and maximums reaching up to 29°C (84°F), resulting in an average of 14°C (57°F). In contrast, June presents a milder climate, with temperatures ranging from a minimum of 3°C (37°F) to a maximum also of 29°C (84°F), yielding an average of 16°C (62°F). However, June experiences significantly higher precipitation, totaling 203 mm (8.0 in) over about 23 days, compared to September's 73 mm (2.9 in) over 10 days. The humidity levels are also slightly higher in June at 71%, in comparison to September’s 64%. For a detailed look at June's weather specifics, visit Rosia Montana weather in June.

In comparing the weather of September and July, September exhibits a wider temperature range with minimums dropping to -3°C (26°F) and maximums reaching 29°C (84°F), resulting in an average of 14°C (57°F). In contrast, July tends to be consistently warmer, with minimum temperatures around 5°C (41°F) and maximums of 30°C (86°F), averaging 17°C (64°F). Precipitation is significantly higher in July, totaling 194 mm (7.6 in) over 21 days compared to September's 73 mm (2.9 in) across 10 days. Interestingly, both months share the same humidity level of 64%. For more detailed insights into July's weather, you can visit Rosia Montana weather in July.

Comparing the weather between August and September, we see a notable shift in temperatures and precipitation patterns. August experiences warmer temperatures, with a minimum of 5°C (42°F) and a maximum of 33°C (92°F), contributing to an average of 18°C (66°F). In contrast, September's temperatures range from a minimum of -3°C (26°F) to a maximum of 29°C (84°F), resulting in a cooler average of 14°C (57°F). Precipitation is more significant in August, totaling 131 mm (5.2 in) over 14 days, compared to September's 73 mm (2.9 in) spread across 10 days. Additionally, August has lower humidity at 55%, while September's humidity increases to 64%. For a detailed look at August's weather, check out Rosia Montana weather in August.

In September, temperatures in Rosia Montana exhibit a wider range, with minimums as low as -3°C (26°F) and maximums reaching up to 29°C (84°F), averaging around 14°C (57°F). Rainfall is relatively higher, with 73 mm (2.9 in) of precipitation over about 10 days, contributing to a moderate humidity level of 64%. In contrast, October sees a drop in average temperature to 9°C (48°F), with maximum temperatures peaking at 23°C (74°F). Precipitation decreases to 48 mm (1.9 in) spread over 8 days, while humidity rises to 83%. For more detailed insights, you can check out Rosia Montana weather in October.

In September, temperatures in Rosia Montana span from a chilly minimum of -3°C (26°F) to a warm maximum of 29°C (84°F), with an average of 14°C (57°F). The month experiences 73 mm (2.9 in) of precipitation over about 10 days, and the humidity is a moderate 64%. In contrast, November brings significantly cooler temperatures, with a minimum of -9°C (15°F) and a maximum of 20°C (68°F), averaging only 4°C (40°F). Precipitation decreases to 42 mm (1.6 in) across the same number of rainy days, yet humidity surges to 91%, giving November a notably damp and chillier feel. For more insights, check Rosia Montana weather in November.

In September, the weather is significantly warmer, with temperatures ranging from a brisk -3°C (26°F) to a pleasant max of 29°C (84°F), averaging around 14°C (57°F). The month also sees a moderate amount of precipitation at 73 mm (2.9 in) over approximately 10 days, with a humidity level of 64%.

In contrast, December brings much colder temperatures, with a minimum of -13°C (8°F) and a maximum of just 12°C (53°F), averaging 0°C (32°F). The precipitation is slightly less at 70 mm (2.8 in), but it occurs over more days, approximately 13, accompanied by high humidity at 92%. For more detailed information on the December climate, check out Rosia Montana weather in December.

Compare Rosia Montana's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Rosia Montana

As September unfolds in Rosia Montana, the weather experiences a delightful transition, moving away from the summer heat towards the crisp embrace of autumn. With temperatures peaking at a pleasant 29°C during the day but occasionally dipping to chilly lows, this month provides a unique blend of warmth and coolness not found in the preceding summer months. Precipitation becomes more frequent, with about 10 days of rain, which contributes to the lush scenery and vibrant fall colors that define this time of year. The 64% humidity adds to the invigorating feel of the air, making September a refreshing escape from the summer's humidity. For more insights into how Rosia Montana's weather shapes the year, explore Rosia Montana Climate.