September Weather in Tusnad, Romania

Last updated: August 27, 2025

Experience the charm of Tusnad, Romania in September, where the weather presents a captivating mix of conditions. Expect maximum temperatures reaching 29°C (85°F), while the average settles at a cool 13°C (56°F), and the nights can drop to a brisk minimum of -3°C (26°F). This transitional month brings a total precipitation of 44 mm (1.7 in) over approximately 9 days, creating a refreshing atmosphere, complemented by a comfortable humidity level of 62%. Whether you're exploring the lush landscapes or enjoying cozy evenings, September in Tusnad offers a delightful climate for every adventure.

September Temperature in Tusnad

As September rolls into Tusnad, Romania, the temperatures begin to reflect the transition from the sweltering summer to the cool embrace of autumn. With a minimum dipping to -3°C (26°F) and an average settling at a comfortable 13°C (56°F), the charm of early fall is palpable. The maximum can reach up to 29°C (85°F), offering a delightful mix of warm days ideal for outdoor exploration. This month marks a significant shift from the peak summer warmth, where temperatures often soared into the low 30s, signaling the coming of cooler days ahead. As the leaves begin to turn and the air carries a crispness, September presents an inviting window to enjoy the picturesque landscapes that Tusnad has to offer.

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

The chart illustrates September temperature patterns in Tusnad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tusnad, 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).
JanFebMarAprMayJunJulAugSepOctNovDec232935445361636455463830
Data source: Temperature data for Tusnad 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 Tusnad

In September, Tusnad, Romania experiences a notable transition as summer's warmth gives way to autumn's cool embrace. With 44 mm (1.7 in) of precipitation over 9 days, the month shows a decrease compared to the heavier rainfall earlier in the summer, where June peaked at an impressive 153 mm (6.0 in). Despite this decline, September remains significant in maintaining the monthly average, continuing the trend set by August's 84 mm (3.3 in). As the landscape shifts, with leaves beginning to change, the gentler rains serve to nourish the region, setting the stage for a colorful autumn ahead.

September Precipitation Trends in Tusnad

The chart displays monthly precipitation patterns in Tusnad, 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 Tusnad, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec274150531031531008444393154
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tusnad

In September, Tusnad, Romania, experiences a noticeable shift in humidity levels, with an average of 62%. This is a slight increase from the more arid summer months, where humidity dipped to a comfortable 56% in August. The trend reveals a gradual rise in moisture as the region transitions from the dry summer heat into the cooler embrace of autumn. Notably, September's humidity is still significantly lower than the winter months, where levels soar, reaching 92% in January. This pattern highlights the seasonal fluctuations that characterize Tusnad's climate, providing a refreshing balance as summer gives way to fall.

September Average Humidity in Tusnad

This chart illustrates the average monthly humidity levels in Tusnad, 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 Tusnad is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%88%86%79%73%73%69%56%62%81%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tusnad

As September unfolds in Tusnad, Romania, the UV Index registers at 7, indicating a high exposure category and a burn time of 25 minutes. This is a slight decrease from the peak summer months of July and August, when the index reached 9, classified as very high. Throughout the year, Tusnad experiences a dynamic UV Index, beginning with a low of 2 in January and ramping up through the spring, hitting its peak in June and July. As autumn approaches, the UV Index begins to taper off, but it's still crucial to remain vigilant, especially during this high exposure period in September. For detailed insights on UV levels throughout the year, visit the Tusnad UV Index.

Maximum UV Index Levels in Tusnad for September

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

Nestled in the heart of Romania, Tusnad basks in the golden embrace of September sunshine, boasting 335 hours of glorious daylight. This month stands as a transition, gently easing from the abundant warmth of summer, where July and August peak at 417 and 406 hours respectively, into the cooler embrace of autumn. September's ample sunlight showcases a beautiful trend, as it features a substantial decrease from the summer highs yet remains significantly brighter than the drearier months to come, like October’s 287 hours. This vibrant September light sets the stage for the picturesque landscapes of Tusnad, inviting visitors to enjoy indoor and outdoor activities alike before the shorter days of autumn set in.

Monthly Sunshine Duration in Tusnad: September Highlighted

The September sunshine duration represents the total number of hours Tusnad 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.
JanFebMarAprMayJunJulAugSepOctNovDec164h223h287h343h392h396h417h406h335h287h227h180h
Data source: Tusnad September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tusnad During September

In Tusnad, Romania, September offers a 36% chance of sunny weather, making it a promising time for outdoor enthusiasts. This figure is a slight dip from the summer peak in July and August, which boast 44% and 43% sunny days, respectively. However, September still stands out compared to earlier months, such as January and February, where the sun rarely makes an appearance. As autumn approaches, the chance of sunshine remains relatively favorable, hinting at the lingering warmth of summer while ushering in the beautiful colors of fall. Whether you're looking to explore the scenic landscape or simply enjoy a bit of sun, September is an appealing choice in Tusnad.

Percentage of Sunny Days in September in Tusnad

The chart illustrates the percentage of sunny days in Tusnad 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 Tusnad experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%31%33%38%35%26%45%43%36%43%35%14%
Data source: Tusnad September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tusnad in September

As summer gracefully transitions into autumn, September in Tusnad, Romania witnesses a notable shift in daylight duration, offering approximately 12 hours of daylight. This marks a gradual decline from the height of summer, where June and July bask in a generous 15 hours of sun. Following the vibrant days of August, which still enjoy 14 hours, September heralds the coming of shorter days, leading into October's brisk 10 hours. This trend reflects the seasonal rhythm, where each month plays its part in the ebb and flow of light, creating a beautiful tapestry of day and night as the year progresses.

Average Daylight Hours in Tusnad for September

The chart illustrates the variation in daylight duration in Tusnad 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 59m15h 42m15h 19m14h 4m12h 29m10h 52m9h 25m8h 40m
Data source: Tusnad daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tusnad

In September, Tusnad experiences a gentle breeze, with an average wind speed of 1.9 m/s (4 mph), mirroring the calmness of the previous summer months. This slight uptick from August's 1.6 m/s signals the transition of seasons, as the crisp autumn air begins to weave its way through the region. The trend throughout the year reveals that while winter months bring slight increases in wind speeds, summer and early autumn remain relatively tranquil, inviting visitors to enjoy the serene beauty of Tusnad's landscapes. As the days grow shorter and the leaves start to change, the soft winds of September offer a refreshing reminder of nature's delicate rhythm.

Average September Wind Speed in Tusnad

The chart displays monthly wind speed patterns in Tusnad, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.32.32.02.31.91.91.61.9 m/s1.91.82.1
Data source: Tusnad September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tusnad Compares to Other Months

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

September and January exhibit stark contrasts in weather conditions. September typically experiences a more moderate climate, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 29°C (85°F), and an average of 13°C (56°F). In this month, precipitation is relatively higher at 44 mm (1.7 in) over about 9 days, combined with a humidity level of 62%. In contrast, January brings much colder temperatures, with lows plunging to -24°C (-11°F) and a maximum of only 11°C (51°F), resulting in an average temperature of -5°C (24°F). Although it is colder, January has less precipitation at 27 mm (1.0 in) over 7 days, but the humidity is significantly higher at 92%. For more detailed insights into January weather, visit Tusnad weather in January.

September and February present contrasting weather conditions. In September, temperatures range from a minimum of -3°C (26°F) to an average of 13°C (56°F), reaching a pleasant maximum of 29°C (85°F). The month experiences moderate precipitation, with around 44 mm (1.7 in) over about 9 days, accompanied by a relatively comfortable humidity level of 62%. In contrast, February is characterized by much colder temperatures, with a minimum of -19°C (-1°F) and an average of -2°C (29°F), peaking at a maximum of only 15°C (59°F). Precipitation is slightly lower at 41 mm (1.6 in) across 10 days, but the humidity is significantly higher at 88%. For more detailed insights, you can check Tusnad weather in February.

September and March present contrasting weather conditions that highlight the transition from late summer to early spring. In September, temperatures vary more significantly, ranging from a chilly -3°C (26°F) at night to a warm 29°C (85°F) during the day, with an average of 13°C (56°F). The month sees relatively moderate precipitation of 44 mm (1.7 in) over nine days and average humidity at 62%.

In contrast, March experiences much colder conditions, with nighttime lows plummeting to -20°C (-4°F) and daytime highs peaking at 18°C (66°F), leading to an average temperature of just 1°C (35°F). Precipitation also increases slightly to 50 mm (2.0 in), occurring over 12 days, and humidity rises significantly to 86%. For a detailed look at what to expect, check out Tusnad weather in March.

September and April exhibit distinct weather patterns, reflecting their transitional roles in the seasons. In September, temperatures range from a minimum of -3°C (26°F) to a maximum of 29°C (85°F), with an average of 13°C (56°F), accompanied by 44 mm (1.7 in) of precipitation over 9 days and a moderate humidity level of 62%. In contrast, April tends to be cooler, featuring a wider minimum temperature of -8°C (19°F) and a maximum of 23°C (74°F), with an average temperature of 7°C (44°F). Additionally, April experiences slightly higher precipitation at 53 mm (2.1 in) over 10 days, along with increased humidity at 79%. For more detailed information, you can view the weather specifics here: Tusnad weather in April.

When comparing the weather in September and May, notable differences in temperature and precipitation emerge. September showcases a broader temperature range, with minimums dropping to -3°C (26°F) and maximums reaching up to 29°C (85°F), resulting in an average of 13°C (56°F). In contrast, May maintains a milder average temperature of 12°C (53°F), with minimums slightly higher at -1°C (30°F) and maximums peaking at 25°C (78°F). Precipitation levels also vary significantly; September experiences 44 mm (1.7 in) over 9 days, while May sees a higher total of 102 mm (4.0 in) across 17 days. Additionally, May tends to be more humid, with an average of 73% compared to September's 62%. For more detailed insights, you can check Tusnad weather in May.

When comparing the weather in September to that of June, several notable differences emerge. September experiences a wider range of temperatures, with a minimum of -3°C (26°F) and a maximum of 29°C (85°F), while June maintains a milder range, with a minimum of 2°C (37°F) and the same maximum of 29°C (85°F). Additionally, September has average temperatures around 13°C (56°F), compared to June's warmer average of 16°C (61°F).

Precipitation levels are considerably higher in June, with 153 mm (6.0 in) spread over 21 days, leading to a more humid atmosphere at 73%. In contrast, September sees significantly less rainfall at 44 mm (1.7 in) over just 9 days, resulting in lower humidity at 62%. For more detailed insight into the weather patterns, you can check this link: Tusnad weather in June.

In comparing the weather of September and July, we observe notable differences in temperature, precipitation, and humidity. September experiences a wider temperature range, with minimums dropping to -3°C (26°F) and average highs reaching 29°C (85°F). In contrast, July maintains milder conditions, with minimum temperatures around 6°C (43°F) and average highs also peaking at 29°C (85°F). July is significantly wetter, receiving 100 mm (3.9 in) of precipitation across 16 days, compared to September's 44 mm (1.7 in) over just 9 days. Additionally, the humidity is slightly higher in July at 68%, while September's averages stand at 62%. For more detailed insights on July weather in the area, refer to Tusnad weather in July.

In September, temperatures in Tusnad show a notable decline compared to August, with nighttime lows reaching as low as -3°C (26°F) and a cooler average of 13°C (56°F), while the maximum temperature peaks at 29°C (85°F). This contrasts with August, where the minimum temperature is a milder 5°C (41°F), and the average is a warmer 18°C (65°F), with highs reaching 32°C (89°F). Additionally, September experiences slightly less precipitation at 44 mm (1.7 in) over 9 days, compared to August's 84 mm (3.3 in) over 11 days, although humidity is higher in September at 62% versus August's 56%. For more details, check Tusnad weather in August.

September and October exhibit a noticeable transition in weather patterns. September boasts a warmer average temperature of 13°C (56°F), with a maximum reaching up to 29°C (85°F), making it more suitable for outdoor activities. In contrast, October sees a cooler average temperature of 8°C (47°F), with a peak of only 24°C (75°F), as well as a slight reduction in precipitation to 39 mm (1.5 in) over just 6 days. The humidity also rises in October to 80%, contributing to a more brisk atmosphere. For more detailed insights about the weather in October, you can check Tusnad weather in October.

September and November exhibit notable differences in weather patterns. In September, temperatures range from a low of -3°C (26°F) to a high of 29°C (85°F), with an average of 13°C (56°F). The month sees about 44 mm (1.7 in) of precipitation over 9 days, alongside a moderate humidity level of 62%. In contrast, November experiences colder conditions, with temperatures dipping to a minimum of -13°C (10°F) and reaching a maximum of 22°C (71°F), averaging just 3°C (38°F). Precipitation in November decreases slightly to 31 mm (1.2 in) over 7 days, and the humidity rises significantly to 89%. For a detailed look at November weather, check out Tusnad weather in November.

In September, the weather is relatively mild, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 29°C (85°F) and an average of 13°C (56°F). The month experiences about 44 mm (1.7 in) of precipitation over approximately 9 days, with humidity levels averaging around 62%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -18°C (0°F) and an average of -1°C (30°F), peaking at 11°C (53°F). Precipitation increases slightly to 54 mm (2.1 in) over 10 days, and humidity rises significantly to 90%. For a more detailed look at the weather patterns in December, you can check out Tusnad weather in December.

Compare Tusnad's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Tusnad

As the summer warmth fades, September in Tusnad marks a transition into cooler temperatures and a noticeable increase in humidity. With an average temperature of 13°C, this month offers a refreshing contrast to the sweltering highs of summer, peaking at a pleasant 29°C during the day. However, the nights can be brisk, dipping to a chilly -3°C. Precipitation is more evident, with around 44 mm spread over about 9 days, bringing a lush vibrancy to the landscape. This month serves as a reminder of the changing seasons, offering visitors a unique blend of lingering warmth and the crispness of approaching autumn. For a deeper look at Tusnad's weather patterns throughout the year, visit Tusnad Climate.