September Weather in Rupea, Romania

Last updated: August 27, 2025

September in Rupea, Romania presents a captivating transition into autumn, characterized by an average temperature of 16°C (61°F), with daytime highs reaching a warm 32°C (91°F) and nighttime dips to a chilly -2°C (29°F). This month sees an average of 43 mm (1.7 in) of rainfall spread over 7 days, contributing to a 57% humidity level that enhances the crispness in the air. As nature begins to showcase its vibrant autumnal hues, September offers a delightful blend of warm days and cool nights in this charming Romanian locale.

September Temperature in Rupea

In Rupea, Romania, September ushers in a delightful transition from the sweltering summer temperatures, as the average climbs to a comfortable 16°C (61°F). Early in the month, the highs can reach up to 32°C (91°F), maintaining that summer warmth, while nights start to cool with a minimum temperature of -2°C (29°F). This month often marks the shift into autumn, showcasing a notable decrease from the scorching heat of August, which reached up to 35°C (95°F), reflecting the region's significant climatic contrasts. As the days shorten and the air crisps, September stands as a gentle reminder of the changing seasons in Rupea, allowing for a perfect blend of warm days and refreshing evenings.

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

The chart illustrates September temperature patterns in Rupea, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rupea, 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).
JanFebMarAprMayJunJulAugSepOctNovDec283440495865686960504134
Data source: Temperature data for Rupea 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 Rupea

In September, Rupea experiences a transitional phase in its weather patterns, with precipitation totaling 43 mm (1.7 in) over 7 days. This marked a decline from the heavier summer rains, reflecting a gradual shift as the region moves into autumn. While September's rainfall is notably less than the peak levels witnessed in May and June, the consistent precipitation hints at a lingering moisture in the air, nurturing the beautiful landscape. As the days grow shorter and temperatures begin to cool, the decrease in both rainfall and rainy days sets the stage for the crisp, refreshing autumn weather the region is known for.

September Precipitation Trends in Rupea

The chart displays monthly precipitation patterns in Rupea, 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 Rupea, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec334560479399816543473663
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rupea

As summer transitions into fall, September in Rupea, Romania, presents a noticeable shift in humidity, which settles at 57%. This marks a slight increase from the significantly lower levels of 48% experienced in August, reflecting the gradual return of moisture in the air. The trend over the months indicates a consistent decline from the frigid highs of 88% in January and February, reaching its low in mid-summer, before beginning to rise again as autumn approaches. As the days grow shorter and cooler, residents can expect a comfortable yet refreshing atmosphere as they enjoy the changes that September brings.

September Average Humidity in Rupea

This chart illustrates the average monthly humidity levels in Rupea, 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 Rupea 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 Rupea

As the seasons transition, September in Rupea, Romania presents a notable shift in sun exposure with a UV Index of 7, categorized as high. This marks a steady decline from the intense summer months, where the UV Index peaked at 9 in July and June, requiring only 15 minutes of exposure before sunburn risk sets in. In contrast, September allows for a more generous 25 minutes of safe sun time, reflecting the moderating warmth of autumn. With the UV levels still significant, it's essential to remain cautious and protect your skin while enjoying the lingering summer sun. For a detailed look at UV exposure in Rupea throughout the year, visit Rupea UV Index.

Maximum UV Index Levels in Rupea for September

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

As summer gracefully transitions into autumn, September in Rupea, Romania, continues to bask in a generous 330 hours of sunshine. This marks a notable decline from the peak sunlight hours of the summer months but remains comfortably above the winter averages. The gentle shift from August's sparkling 400 hours reflects the onset of cooler temperatures, yet the vibrant days of early fall still provide plenty of opportunities to enjoy the breathtaking landscapes. Overall, the trend of increased sunshine hours from the dreary winter months to the long, sun-soaked days of summer underscores Rupea's charm, making September a delightful time to explore its rich history amidst the fading warmth.

Monthly Sunshine Duration in Rupea: September Highlighted

The September sunshine duration represents the total number of hours Rupea 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.
JanFebMarAprMayJunJulAugSepOctNovDec164h225h283h338h385h394h411h400h330h280h223h172h
Data source: Rupea September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rupea During September

As summer transitions into autumn, **September in Rupea, Romania, showcases a pleasing balance of sunshine, boasting a 44% chance of clear skies. This marks a slight dip compared to the sunlit months of July and August, which enjoy over half their days bathed in sunlight. However, September’s probability of sunny weather remains favorable, especially when juxtaposed with the lower percentages of earlier months like January and February. The gradual increase in sunny days from 40% in April to 44% in September highlights the tail end of summer's warmth, making it an ideal time for outdoor activities before the cooler months set in. Overall, visitors can expect pleasant days and a robust chance of sunshine, making it a delightful month to explore Rupea’s charm.

Percentage of Sunny Days in September in Rupea

The chart illustrates the percentage of sunny days in Rupea 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 Rupea experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%31%36%40%36%38%54%53%44%49%35%13%
Data source: Rupea September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rupea in September

As summer winds down in Rupea, Romania, September brings a gentle transition, offering around 12 hours of daylight. This month marks a noticeable shift from the bright, elongated days of June and July, which boast a maximum of 15 hours. Following the vibrant golden hues of summer, September often heralds the onset of early autumn, as sunlight gradually recedes into shorter days. However, it still boasts more daylight than the winter months ahead, providing a precious opportunity to savor the changing scenery. With daylight hours returning to a more moderate level, September serves as a delightful reminder of nature’s rhythms as it prepares for the impending chill of fall.

Average Daylight Hours in Rupea for September

The chart illustrates the variation in daylight duration in Rupea throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 4m10h 20m11h 56m13h 34m14h 58m15h 41m15h 18m14h 3m12h 29m10h 52m9h 26m8h 41m
Data source: Rupea daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Rupea

As summer fades and autumn approaches, September in Rupea, Romania experiences a gentle shift in wind patterns, with an average speed of 2.2 m/s (5 mph). This marks a slight uptick from the summer lows of 1.7 m/s in August and 1.8 m/s in June, indicating a gradual return to more invigorating breezes. Interestingly, the consistency in wind speed continues into October, sustaining that refreshing pace, which is reminiscent of the village's lively ambiance during this transitional season. While the winter months may bring a decrease in wind velocity, September hints at the promise of change, setting the stage for the crisp air and stunning autumn colors that lie ahead.

Average September Wind Speed in Rupea

The chart displays monthly wind speed patterns in Rupea, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.42.22.12.31.82.11.72.2 m/s2.21.92.4
Data source: Rupea September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Rupea Compares to Other Months

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

September and January showcase strikingly different weather patterns. In September, temperatures range from a chilly minimum of -2°C (29°F) to a warm maximum of 32°C (91°F), with an average of 16°C (61°F). The month experiences 43 mm (1.7 in) of precipitation over about 7 days, coupled with a relatively moderate humidity of 57%. In contrast, January brings much colder conditions, with temperatures dropping to a minimum of -25°C (-12°F) and peaking at only 14°C (58°F), averaging -2°C (29°F). During this winter month, precipitation is slightly lower at 32 mm (1.3 in) over 8 days, but humidity rises to 88%, creating a much frostier and damp environment. For more detailed insights on Rupea weather in January, you can explore specific conditions and trends.

September and February present contrasting weather patterns. In September, temperatures range from a chilly minimum of -2°C (29°F) to a warm maximum of 32°C (91°F), with an average of 16°C (61°F). The month experiences relatively low precipitation at 43 mm (1.7 in) over about 7 days, and humidity hovers around 57%. In contrast, February is much colder, with minimum temperatures plummeting to -12°C (10°F) and a modest average of 1°C (34°F), peaking at a maximum of 17°C (62°F). This mid-winter month sees slightly higher precipitation at 45 mm (1.8 in) across approximately 10 days, coupled with a significant humidity level of 85%. For more detailed information on February weather, visit Rupea weather in February.

In comparing the weather between September and March, it's clear that these two months offer distinct climates. September typically enjoys a milder range of temperatures, with an average of 16°C (61°F) and highs reaching up to 32°C (91°F), while also experiencing relatively low precipitation at 43 mm (1.7 in) over about 7 days. In contrast, March tends to be much colder, with an average temperature of only 4°C (40°F) and lows dropping to -13°C (9°F). This month also sees higher precipitation levels at 60 mm (2.4 in) over 12 days, and the humidity is more pronounced at 82%. For a detailed look at the weather conditions in March, you can check Rupea weather in March.

September weather generally offers warmer temperatures compared to April, with average highs reaching up to 32°C (91°F), while April sees a milder maximum of 27°C (80°F). However, April is characterized by slightly lower minimum temperatures, with lows down to -5°C (23°F) compared to September's minimum of -2°C (29°F). Both months experience similar precipitation levels, with September receiving 43 mm (1.7 in) over 7 days and April slightly more at 47 mm (1.9 in) over 9 days. Interestingly, humidity is higher in April at 73%, making the air feel more moist compared to September's 57%. For more specific details about April weather, you can visit Rupea weather in April.

In comparing the weather between September and May, September generally offers warmer maximum temperatures, reaching up to 32°C (91°F), while May peaks at a more moderate 29°C (84°F). However, May experiences higher humidity levels at 71% compared to 57% in September, making it feel more humid. Precipitation is also more frequent in May, with 93 mm (3.6 in) over 15 days, in contrast to September's 43 mm (1.7 in) across only 7 days. For a detailed analysis of May weather, you can refer to this link: Rupea weather in May.

September and June offer distinct weather experiences. In September, temperatures range from a chilly minimum of -2°C (29°F) to a maximum of 32°C (91°F), with an average of 16°C (61°F). The month sees relatively low precipitation at 43 mm (1.7 in) over about 7 days, while humidity averages around 57%. In contrast, June features a milder temperature range, with minimums of 6°C (43°F) and maximums reaching the same high of 32°C (91°F), but an average temperature of 19°C (66°F). Precipitation in June is significantly higher, totaling 99 mm (3.9 in) across 17 days, and the humidity is also elevated at 70%. For more details on the weather in June, you can check Rupea weather in June.

In comparison to September, July tends to be warmer and more humid. July's minimum temperature starts at a relatively mild 9°C (49°F), with an average of 20°C (68°F) and a maximum reaching 34°C (93°F). In contrast, September offers a wider temperature range, with a minimum of -2°C (29°F) and a maximum of 32°C (91°F), highlighting the transition into cooler months. Precipitation levels are significantly higher in July, with 81 mm (3.2 in) over 14 days, compared to September's 43 mm (1.7 in) over only 7 days. The humidity also peaks in July at 66%, compared to September's more comfortable 57%. For more detailed insights into July weather, visit Rupea weather in July.

In comparing the weather between August and September, we see a noticeable decline in temperatures as summer transitions to autumn. September experiences a broader temperature range, with minimums dipping to 2°C (29°F) and maximums reaching 32°C (91°F), compared to August’s warmer minimum of 7°C (44°F) and maximum of 35°C (95°F). While both months receive precipitation, August is wetter with a total of 65 mm (2.5 in) over 8 days, whereas September sees only 43 mm (1.7 in) across 7 days. Additionally, September's humidity is higher at 57%, compared to August's 48%, suggesting a shift to a more humid and cooler climate as fall approaches. For more specifics on weather patterns during August, you can check this link: Rupea weather in August.

September and October exhibit distinct shifts in weather patterns. In September, temperatures range from a minimum of -2°C (29°F) to a maximum of 32°C (91°F), with an average of 16°C (61°F) and 43 mm of precipitation over 7 days. Humidity levels are relatively moderate at 57%. In contrast, October brings cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 28°C (83°F), leading to an average of 10°C (50°F). Although it sees slightly more precipitation at 47 mm over the same number of days, humidity rises significantly to 79%. For a detailed look at the weather conditions in October, you can visit Rupea weather in October.

September and November present contrasting weather patterns, reflecting the transition from late summer to autumn. In September, temperatures range from a chilly -2°C (29°F) at night to a warm 32°C (91°F) during the day, with an average of 16°C (61°F). Precipitation is relatively moderate at 43 mm (1.7 in) over about seven days, accompanied by a humidity level of 57%. In comparison, November brings cooler temperatures, with lows dipping to -8°C (17°F) and daytime highs peaking at 24°C (75°F), averaging at just 5°C (42°F). The month also sees a slight decrease in total precipitation to 36 mm (1.4 in) across about nine days, but humidity rises significantly to 87%, making the air feel much heavier. For a detailed look at November weather, you can refer to Rupea weather in November.

September and December present contrasting weather conditions. In September, temperatures range from a chilly -2°C (29°F) at night to a warm 32°C (91°F) during the day, with an average of 16°C (61°F). The month sees about 43 mm (1.7 in) of precipitation over approximately 7 days, and humidity levels hover around 57%. In stark contrast, December's weather is much colder, with temperatures dipping as low as -12°C (10°F) and peaking at just 13°C (56°F), giving an average of 1°C (34°F). Precipitation increases to 63 mm (2.5 in), occurring over 13 days, while humidity rises significantly to 88%. For a more detailed look at the weather conditions in December, check out Rupea weather in December.

Compare Rupea's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Rupea

September in Rupea marks a transition into cooler temperatures, contrasting sharply with the summer heat. The days remain pleasantly warm, yet the evenings can chill, making it a month of refreshing change. With an average temperature of 16°C, the climate becomes more temperate, a welcome shift for those looking to escape the summer swelter. The rainfall, occurring over about a week, increases the humidity to around 57%, enriching the landscape's vibrant colors as nature prepares for autumn. Such distinct conditions set September apart, creating a unique ambiance that invites exploration. For a deeper understanding of the region's climate, visit Rupea Climate.