September Weather in Rasnov, Romania

Last updated: August 27, 2025

In Rasnov, Romania, September presents a striking blend of transitioning weather, where temperatures peak at a comfortable 29°C (84°F) and dip to a chilly -4°C (24°F) during the night. The average temperature settles at a mild 13°C (56°F), inviting outdoor enthusiasts to explore the scenic landscapes. While the month experiences 52 mm (2.0 in) of precipitation over approximately 9 days, this moisture contributes to the lush greenery typical of the region. With humidity levels around 57%, visitors can expect a fresh and invigorating atmosphere, making September an ideal time to enjoy Rasnov's natural beauty.

September Temperature in Rasnov

As September arrives in Rasnov, Romania, the temperatures begin to shift, signaling the transition from summer to autumn. The month boasts a minimum temperature of -4°C (24°F), which marks a noticeable drop from the warm summer months. Daytime highs can reach a pleasant 29°C (84°F), offering a final taste of summer’s warmth. The average temperature settles at 13°C (56°F), providing a comfortable backdrop for outdoor activities and exploration. This month encapsulates the beauty of early fall, where crisp mornings and mild afternoons invite visitors to experience the stunning landscapes cloaked in progressions of seasonal color.

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

The chart illustrates September temperature patterns in Rasnov, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rasnov, 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).
JanFebMarAprMayJunJulAugSepOctNovDec232934435360626456463930
Data source: Temperature data for Rasnov 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 Rasnov

September in Râșnov, Romania, marks a transitional phase in precipitation patterns, featuring a total of 52 mm (2.0 in) of rainfall over 9 days. This represents a notable decline from the summer peak, as both July and August experienced higher deluges of 138 mm (5.4 in) and 109 mm (4.3 in) respectively. September’s precipitation is indicative of the approach of autumn, providing a gentle tapering off of the summer rains while still sustaining a refreshing climate. The frequency of rainy days also decreases, allowing for more tranquil moments amid the shifting seasonal scenery, setting the perfect stage for the vibrant hues of fall to emerge in the landscape.

September Precipitation Trends in Rasnov

The chart displays monthly precipitation patterns in Rasnov, 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 Rasnov, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3945665812916313810952644273
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rasnov

In September, Rasnov, Romania experiences a noticeable shift in humidity, with levels reaching 57%—a significant increase from the 48% recorded in August. This rise marks the beginning of a gradual transition back to the higher humidity levels characteristic of the autumn months. As temperatures cool, humidity trends upward, leading into October's 79%. Over the year, it is evident that Rasnov's climate is shaped by distinct seasonal changes, with winter months exhibiting the highest humidity rates, peaking at 88% in both January and December. As summer fades, September serves as a bridge, illustrating the dynamic shifts in moisture that define this picturesque region of Romania.

September Average Humidity in Rasnov

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

As summer fades into autumn, September in Rasnov, Romania, sees a UV Index of 7, indicating a high exposure category. This marks a gradual dip from the peak levels observed in the height of summer, where the UV Index reached 10 in June. With a burn time of 25 minutes, September invites residents and visitors to enjoy the outdoors with a notable level of sun protection, a slight increase from the milder experiences of the preceding months. As the year progresses, keeping an eye on UV trends will help ensure safe and enjoyable sun exposure. For detailed information on UV levels, check out Rasnov UV Index.

Maximum UV Index Levels in Rasnov for September

The chart shows the monthly maximum UV Index (UVI) for Rasnov 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 Rasnov typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467910997532
Data source: Rasnov 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 Rasnov

Nestled in the heart of Romania, Rasnov basks in the golden rays of September, boasting an impressive 332 sunshine hours. This month marks a delightful transition as summer winds down, bridging the long, sunlit days of July and August—both exceeding 400 hours—to the cooler, more subdued autumn months ahead. September offers a perfect blend of warmth and mildness, allowing visitors to enjoy the rich natural beauty and cultural heritage of the region. As the days gradually shorten, the sunlight begins to soften, creating an enchanting atmosphere that invites exploration of the stunning landscapes and historical sites. This charming shift signifies that while the sun is beginning to rest, there's still plenty of time to savor the late summer glow in Rasnov.

Monthly Sunshine Duration in Rasnov: September Highlighted

The September sunshine duration represents the total number of hours Rasnov 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.
JanFebMarAprMayJunJulAugSepOctNovDec171h229h281h337h379h392h412h401h332h281h216h179h
Data source: Rasnov September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rasnov During September

In Rasnov, Romania, September offers a pleasant interplay of weather, with a 45% chance of sunny days that reflect the lingering warmth of summer. As the seasons transition, this month positions itself as a favorable time for outdoor activities, benefiting from increased sunshine compared to the earlier months of the year. After July and August's peaks of 49% and 50% respectively, September stands out as a brilliant extension of summer, maintaining a significant likelihood of clear skies before the autumn chill settles in. As the sunlight begins to wane, September still invites exploration, making it an ideal time to enjoy the stunning landscapes without the summer crowds.

Percentage of Sunny Days in September in Rasnov

The chart illustrates the percentage of sunny days in Rasnov 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 Rasnov experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%37%37%36%36%36%49%50%45%43%34%17%
Data source: Rasnov September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rasnov in September

As summer fades into autumn, September in Râșnov, Romania offers a gentle transition with approximately 12 hours of daylight. Following the peak brightness of June and July, when the sun graces the sky for 15 hours, September marks a gradual reduction in daylight, reminiscent of the approach of winter's shorter days. This month maintains more daylight than earlier in the year, such as January's mere 9 hours or February's 10 hours, reflecting the lingering warmth and vibrancy of late summer. As the days grow shorter, Râșnov's landscapes transform, inviting locals and visitors alike to relish the changing hues of nature while enjoying the balance of light and shadow.

Average Daylight Hours in Rasnov for September

The chart illustrates the variation in daylight duration in Rasnov throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 8m10h 22m11h 56m13h 32m14h 55m15h 37m15h 15m14h 1m12h 29m10h 53m9h 28m8h 44m
Data source: Rasnov daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Rasnov

As September unfolds in Rasnov, Romania, the gentle caress of the wind signals the transition into autumn. With an average wind speed of 1.7 m/s (4 mph), this month mirrors the stillness of August, marking a notable dip from early summer's breezier days. Throughout the year, Rasnov experiences a gradual rise and fall in wind speeds, peaking in the cooler months of November and December at 2.1 m/s (5 mph). This seasonal pattern not only enhances the serene atmosphere of the town but also invites locals and visitors alike to embrace the calming embrace of early autumn as nature prepares for the winter ahead.

Average September Wind Speed in Rasnov

The chart displays monthly wind speed patterns in Rasnov, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.32.21.82.21.91.81.71.7 m/s1.82.12.1
Data source: Rasnov September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Rasnov Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures range from a chilly -4°C (24°F) at night to a warm 29°C (84°F) during the day, with an average temperature of 13°C (56°F). The month sees about 52 mm (2.0 in) of precipitation across 9 days and has a humidity level of 57%. In contrast, January is much colder, with temperatures dipping to a frigid -27°C (-17°F) at night, averaging -5°C (23°F), and peaking at just 9°C (49°F). The precipitation in January is slightly lower at 39 mm (1.5 in) over 8 days, but humidity is significantly higher at 88%. For a more detailed look at what to expect, you can check Rasnov weather in January.

September and February present strikingly different weather patterns. In September, temperatures range from a chilly -4°C (24°F) at night to a warm 29°C (84°F) during the day, with an average of 13°C (56°F). The month sees moderate precipitation of 52 mm (2.0 in) over approximately 9 days, with humidity at 57%. In contrast, February is much colder, with minimum temperatures plummeting to -20°C (-4°F) and an average of -2°C (29°F), peaking at 15°C (59°F). Although precipitation is slightly lower at 45 mm (1.8 in) over 10 days, humidity rises significantly to 85%. For more details on February weather, check out Rasnov weather in February.

September and March weather exhibit distinct characteristics, reflecting the change of seasons. In September, temperatures range significantly, with a minimum of -4°C (24°F) and a comfortable average of 13°C (56°F), peaking at a warm 29°C (84°F). The month experiences moderate precipitation of 52 mm (2.0 in) spread across approximately 9 days, along with a humidity level of 57%. In contrast, March tends to be colder, with a minimum temperature of -17°C (2°F), an average of 1°C (34°F), and a maximum of 19°C (67°F). While it brings slightly higher precipitation at 66 mm (2.6 in) over roughly 13 days, humidity rises significantly to 82%. These variations highlight the transition from the warmth of late summer to the chill of early spring, making both months unique in their weather profiles. For more detailed information, you can check Rasnov weather in March.

In comparing the weather of September and April, there are notable differences in temperature and humidity levels. September experiences a wider temperature range, with a minimum of -4°C (24°F) and a maximum of 29°C (84°F), leading to an average of 13°C (56°F). In contrast, April sees cooler temperatures, with a minimum of -13°C (9°F), an average of 6°C (44°F), and a maximum of 23°C (73°F). Additionally, September has lower humidity at 57%, while April’s humidity is relatively high at 73%. Precipitation levels are similar, with September receiving 52 mm (2.0 in) over 9 days and April slightly more at 58 mm (2.3 in) over 10 days. For more detailed information on April's climate, you can check Rasnov weather in April.

In comparing the weather between September and May, September tends to be warmer, featuring a minimum temperature of -4°C (24°F) and a maximum reaching 29°C (84°F), while May has a minimum of -2°C (29°F) and a maximum of 24°C (76°F). September also boasts lower precipitation, with only 52 mm (2.0 in) over approximately 9 days, compared to May’s heavier rainfall of 129 mm (5.1 in) across 18 days. Additionally, humidity is generally lower in September at 57%, while May experiences a higher humidity level of 71%. For more detailed weather insights, you can check Rasnov weather in May.

When comparing the weather in September and June, a distinct difference in temperature and precipitation emerges. September experiences a wider temperature range, with minimums around -4°C (24°F) and maximums reaching up to 29°C (84°F), averaging 13°C (56°F). In contrast, June's temperatures are milder, with minimums at 2°C (36°F) and maximums of 28°C (83°F), averaging 16°C (60°F). However, June is notably wetter, receiving 163 mm (6.4 in) of precipitation over approximately 20 days, compared to September, which has only 52 mm (2.0 in) over 9 days. Additionally, humidity levels are higher in June at 70%, while September has a more comfortable 57%. For more details on the weather in June, you can check Rasnov weather in June.

In comparing the weather between September and July, September generally experiences cooler temperatures, with a minimum of -4°C (24°F) and an average of 13°C (56°F), in contrast to July's milder conditions, which range from a minimum of 6°C (42°F) and an average of 17°C (63°F). July tends to be wetter, with a significant increase in precipitation at 138 mm (5.4 in) over 18 days, compared to September’s 52 mm (2.0 in) spread over 9 days. Moreover, July has a higher humidity level at 66% versus September’s 57%. For more details about the weather in July, you can check Rasnov weather in July.

In comparing the weather of September and August, it's clear that September experiences cooler temperatures overall, with a minimum of -4°C (24°F) compared to August's minimum of 4°C (39°F). The average temperature in September is 13°C (56°F), a significant drop from August's warmer average of 18°C (64°F). Additionally, September sees a maximum temperature of 29°C (84°F), which is slightly lower than August's peak of 31°C (87°F). When it comes to precipitation, September has less rain, totaling 52 mm (2.0 in) over 9 days, whereas August receives 109 mm (4.3 in) over 13 days. Furthermore, September's humidity at 57% is higher than August's 48%, contributing to a different overall feel to the month's weather. For more detailed insights into August weather, you can visit Rasnov weather in August.

September and October offer a noticeable shift in weather patterns as autumn progresses. In September, temperatures range from a minimum of -4°C (24°F) to a comfortable maximum of 29°C (84°F), with an average of 13°C (56°F) and a relatively moderate humidity level of 57%. Precipitation is light, totaling 52 mm (2.0 in) over 9 days.

In contrast, October sees a drop in average temperatures to 8°C (47°F), with minimums reaching -6°C (22°F) and maximums peaking at 24°C (76°F). The month is slightly wetter, with 64 mm (2.5 in) of precipitation spread over 8 days, and higher humidity at 79%. This change signifies a transition into the cooler and more humid conditions typical of late autumn, making it a perfect time to explore the changing scenery. For more information on October weather specifics, visit Rasnov weather in October.

September weather tends to be more moderate, with temperatures ranging from a low of -4°C (24°F) to a high of 29°C (84°F) and an average of 13°C (56°F). This month experiences around 52 mm (2.0 in) of precipitation over approximately 9 days, accompanied by a humidity level of 57%. In contrast, November sees lower temperatures overall, with minimums dropping to -11°C (13°F) and an average temperature of just 4°C (39°F), although it can peak at 21°C (70°F). The precipitation slightly decreases to 42 mm (1.6 in) over about 10 days, but humidity rises significantly to 87%. Overall, September has a warmer and drier climate compared to the chillier, wetter conditions typical of November. For more details on the weather in this month, check out Rasnov weather in November.

September and December exhibit stark contrasts in weather conditions. In September, temperatures range from a mild -4°C (24°F) at night to a warm 29°C (84°F) during the day, resulting in an average of 13°C (56°F) and moderate humidity at 57%. The month experiences about 52 mm (2.0 in) of precipitation over 9 days, making it relatively pleasant. In contrast, December brings much colder temperatures, with a minimum of -22°C (-7°F) and a maximum of only 11°C (53°F), averaging -1°C (30°F). The humidity rises significantly to 88%, and precipitation increases to 73 mm (2.9 in) over 12 days, resulting in a much colder and wetter atmosphere. For a closer look at the December conditions, check out Rasnov weather in December.

Compare Rasnov's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Rasnov

September in Râșnov marks a notable transition as summer gently gives way to autumn. While maximum temperatures can still touch a warm 29°C, the overall character of the month shifts towards cooler averages and the occasional crisp evening. With increased rainfall, averaging 52 mm over about 9 days, September tends to bring a refreshing moisture that rejuvenates the landscape, showcasing vibrant autumn colors. Humidity levels hover around a comfortable 57%, making for pleasant outdoor experiences. This month's unique blend of warmth and emerging autumnal chill offers a picturesque atmosphere for exploring the beauty of Râșnov. For more insights into the year-round conditions, check out Râșnov Climate.