September Weather in Bicaz, Romania

Last updated: August 27, 2025

In Bicaz, Romania, September ushers in a shift in temperature and weather patterns. With maximum temperatures peaking at 30°C (86°F) and minimums dipping to a chilly -3°C (27°F), the average temperature hovers around a comfortable 13°C (56°F). This month experiences 50 mm (2.0 in) of precipitation across 9 days, contributing to a relative humidity level of 62%. As summer fades, residents and travelers can expect a delightful blend of warm days and cooler nights, making September a unique time to explore the scenic beauty of Bicaz.

September Temperature in Bicaz

In Bicaz, Romania, September heralds the transition from warm summer days to the cool embrace of autumn. The temperatures exhibit a notable shift, starting with a minimum of -3°C (27°F) and climbing to a pleasant maximum of 30°C (86°F), reflecting a gradual cooling from the preceding summer months. With an average of 13°C (56°F), this month offers the perfect blend of warmth and crispness, inviting outdoor adventures amidst nature's changing palette. As the days shorten, the vibrant hues of the landscape are a feast for the eyes, making September a delightful time to experience the beauty of Bicaz as it gently gears up for the colder months ahead.

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

The chart illustrates September temperature patterns in Bicaz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bicaz, 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).
JanFebMarAprMayJunJulAugSepOctNovDec252934435361636455463730
Data source: Temperature data for Bicaz 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 Bicaz

In September, Bicaz experiences a moderate shift in weather, with precipitation totaling 50 mm (2.0 in) over 9 days. This amount reflects a noticeable decrease compared to the wetter summer months, as July and June witness significantly higher rainfall levels of 108 mm and 159 mm, respectively. The transition into autumn is marked by a reduction in both rain intensity and frequency, hinting at the approaching dry season. As the leaves begin to turn, September’s rainfall serves as a gentle reminder of nature's rhythm, balancing between the lush warmth of summer and the crispness of fall.

September Precipitation Trends in Bicaz

The chart displays monthly precipitation patterns in Bicaz, 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 Bicaz, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec274554531141591088350363355
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bicaz

As summer transitions to autumn in Bicaz, Romania, September marks a notable shift in humidity levels. After experiencing the driest conditions of the year in August, with humidity dropping to a refreshing 56%, September sees a rebound as humidity rises to 62%. This moderate increase signals the onset of cooler weather and the encroaching mist of autumn. Prior months exhibit a consistent decline in humidity from the peak of 92% in January to the lowest in July, before humidity begins to creep back up toward the winter months, which will again draw in higher percentages of moisture. Overall, September serves as a delicate bridge between the warmth of summer and the chill of fall, inviting a refreshing yet slightly damp atmosphere.

September Average Humidity in Bicaz

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

In September, Bicaz experiences a UV Index of 7, placing it in the high exposure category with a burn time of 25 minutes. This reflects a gradual decline from the peak summer months, where indices soared to 9 in July and June. While the sun is still strong, it's essential to remain cautious as the weather begins to cool and the daylight shortens. Compared to earlier months, such as May and August, the September UV Index suggests a slight easing in intensity, yet outdoor enthusiasts should still prioritize sun protection. For detailed insights, visit Bicaz UV Index.

Maximum UV Index Levels in Bicaz for September

The chart shows the monthly maximum UV Index (UVI) for Bicaz 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 Bicaz typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987432
Data source: Bicaz 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 Bicaz

In Bicaz, Romania, September marks a delightful transition as summer gives way to autumn, offering a generous 337 hours of sunshine. This ample daylight follows the peak of a sunlit summer, with July basking in a remarkable 422 hours. As September unfolds, the lingering warmth of summer remains, yet a subtle decline begins, reflecting nature's shift. Compared to earlier months, such as June with 399 hours, September still holds its bright charm. The gradual decrease hints at the cooler days ahead while inviting visitors to enjoy the beautiful landscapes bathed in golden light, making it a perfect time for exploration and outdoor activities before the shorter days of fall set in.

Monthly Sunshine Duration in Bicaz: September Highlighted

The September sunshine duration represents the total number of hours Bicaz 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.
JanFebMarAprMayJunJulAugSepOctNovDec168h220h295h346h394h399h422h407h337h288h230h181h
Data source: Bicaz September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bicaz During September

As summer transitions into autumn, September in Bicaz, Romania presents a moderate chance of sunny weather, hovering around 31%. This month's likelihood of sunshine marks a slight dip from the peak summer months, with July boasting the highest percentage at 42% and August trailing closely at 39%. Interestingly, September's sunny forecast remains notably higher than the winter months, where chances plummet to a mere 22% in January. This gentle decline from summer to early autumn reflects a consistent trend of decreasing sun exposure as the year progresses, yet September still offers pleasant opportunities for outdoor activities before the chill sets in. Overall, while the sun may not shine as frequently as in the height of summer, there are still ample clear days to enjoy the breathtaking landscapes of Bicaz.

Percentage of Sunny Days in September in Bicaz

The chart illustrates the percentage of sunny days in Bicaz 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 Bicaz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%36%35%38%36%30%42%39%31%46%40%20%
Data source: Bicaz September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bicaz in September

As summer fades into autumn, September in Bicaz, Romania marks a notable transition in daylight duration. Just as the vibrant days of July and August offered a maximum of 15 hours of sunlight, September gently reduces to 12 hours, signaling the forthcoming cooler months. This gradual decrease hints at the approach of autumn, following the pattern of increasing daylight from winter's 8 hours in January, peaking in the summer, and then retreating again. This rhythm of longer days blossoming into shorter ones not only showcases the changing seasons but also invites locals and visitors alike to savor the last warm rays of the year before the days dwindle further in October and November.

Average Daylight Hours in Bicaz for September

The chart illustrates the variation in daylight duration in Bicaz throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 57m10h 16m11h 56m13h 37m15h 5m15h 49m15h 26m14h 8m12h 30m10h 49m9h 20m8h 33m
Data source: Bicaz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bicaz

As September graces Bicaz, Romania, the wind whispers softly at an average speed of 1.9 m/s (4 mph), continuing the gentle trend established in the summer months. This slight shift from the previous month's 1.6 m/s signals a subtle return to the breezier conditions of early spring, where wind speeds gradually began to climb. Throughout the year, Bicaz experiences its windiest days in the spring months, with speeds peaking at 2.6 m/s in March, before transitioning into a more placid late summer and early autumn. The consistent light winds in September perfectly complement the changing colors of the landscape, creating a serene backdrop as nature prepares for the cooler months ahead.

Average September Wind Speed in Bicaz

The chart displays monthly wind speed patterns in Bicaz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.52.62.02.32.31.91.61.9 m/s1.91.92.3
Data source: Bicaz September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bicaz Compares to Other Months

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

In September, the weather is significantly warmer with temperatures ranging from a chilly minimum of -3°C (27°F) to a comfortable average of 13°C (56°F), peaking at a hot 30°C (86°F). The month sees about 50 mm (2.0 in) of precipitation over roughly 9 days, accompanied by a moderate humidity level of 62%. In contrast, January experiences much colder conditions with temperatures dropping as low as -23°C (-9°F) and averaging around -4°C (25°F), while the maximum reaches only 10°C (50°F). This month has less precipitation, totaling 27 mm (1.1 in) over 6 days, but the humidity is notably higher at 92%. For more detailed information about January weather, check out Bicaz weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a chilly -3°C (27°F) at night to a warm 30°C (86°F) during the day, with an average of 13°C (56°F). The month sees about 50 mm (2.0 in) of precipitation over 9 days, accompanied by a moderate humidity level of 62%. In contrast, February is much colder, with temperatures dipping as low as -19°C (-2°F) at night and peaking at a modest 16°C (61°F), averaging -1°C (30°F). This month experiences slightly less precipitation at 45 mm (1.8 in) over 10 days, but with a significantly higher humidity of 88%. For more details on February conditions, visit Bicaz weather in February.

September and March present quite contrasting weather conditions. In September, temperatures can range from a chilly -3°C (27°F) at night to a warm 30°C (86°F) during the day, with an average temperature around 13°C (56°F). The month sees about 50 mm (2.0 in) of precipitation over roughly 9 days and a moderate humidity level of 62%. In contrast, March features much colder temperatures, dipping to a low of -24°C (-10°F) and averaging only around 1°C (34°F), while peaking at a maximum of 20°C (68°F). The precipitation in March is slightly higher at 54 mm (2.1 in) spread over 13 days, accompanied by a significantly higher humidity level of 86%. For a deeper look at March's weather patterns, you can check Bicaz weather in March.

September weather generally presents a wider temperature range compared to April. With minimums around -3°C (27°F) and maximums peaking at 30°C (86°F), September can feel quite warm with an average of 13°C (56°F). In contrast, April features cooler temperatures, with minimums dropping to -8°C (18°F) and an average of just 6°C (44°F), while maximums reach up to 24°C (75°F). Precipitation levels are relatively similar, with September experiencing 50 mm (2.0 in) over 9 days and April slightly higher at 53 mm (2.1 in) over 10 days. Moreover, April tends to be more humid, with a humidity level of 79% compared to September's 62%. For more specific insights on the conditions, you can refer to the Bicaz weather in April.

September and May present distinct weather patterns, each with unique characteristics. In September, temperatures range from a minimum of -3°C (27°F) to a maximum of 30°C (86°F), with an average of 13°C (56°F). The month sees relatively moderate precipitation levels, totaling 50 mm (2.0 in) over approximately 9 days, and a humidity level of 62%.

In contrast, May generally experiences cooler overall temperatures, with minimums still at -3°C (27°F) and a maximum of 25°C (78°F), yielding an average of 12°C (53°F). However, May is much wetter, receiving 114 mm (4.5 in) of rain spread across about 17 days, and humidity levels rise to 73%. For a detailed look at May weather, you can check Bicaz weather in May. Overall, May is marked by higher precipitation and humidity, while September offers a wider temperature range with less rainfall.

In comparing the weather between September and June, September boasts a broader temperature range, with minimums dropping to -3°C (27°F) and maximums reaching up to 30°C (86°F), while June's temperatures are milder, ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F). Additionally, June tends to be wetter, receiving significantly more precipitation at 159 mm (6.3 in) across 19 days, compared to September's 50 mm (2.0 in) over just 9 days. The humidity levels are also higher in June at 73%, compared to September's average of 62%, contributing to the warmer feel during those summer months. For more detailed information, you can check Bicaz weather in June.

In comparing the weather of September and July, it's evident that September experiences a broader temperature range, with minimums dropping to -3°C (27°F) and maximums reaching up to 30°C (86°F). The average temperature in September is around 13°C (56°F), which is cooler than July's average of 17°C (63°F). Precipitation is lower in September, at 50 mm (2.0 in) over 9 days, compared to July's significantly higher 108 mm (4.2 in) over 15 days. Additionally, September has a humidity level of 62%, slightly lower than July's 68%. For those interested in exploring July's climate in more detail, you can check out the following link: Bicaz weather in July.

The weather in September presents a noticeable shift compared to August. While September sees a wider temperature range, with minimums dipping to -3°C (27°F) and maximums reaching 30°C (86°F), August maintains milder averages with minimums around 5°C (41°F) and a maximum of 31°C (88°F). Additionally, September experiences slightly less precipitation at 50 mm (2.0 in) over 9 days, compared to August's 83 mm (3.3 in) over 10 days. Humidity is also higher in September at 62%, compared to August's 56%. For more details, you can view Bicaz weather in August.

September and October exhibit notable differences in weather characteristics. In September, temperatures range from a chilly minimum of -3°C (27°F) to a warm maximum of 30°C (86°F), averaging around 13°C (56°F). The month sees moderate precipitation, totaling 50 mm (2.0 in) over 9 days, with humidity levels sitting at 62%. Conversely, October experiences cooler temperatures, with minimums dropping to -4°C (25°F) and maximums reaching 24°C (75°F), averaging just 8°C (46°F). Precipitation decreases slightly to 36 mm (1.4 in) across 6 days, while humidity climbs to 80%. For more detailed information on October weather, visit Bicaz weather in October.

September and November exhibit contrasting weather patterns. In September, temperatures range from a minimum of -3°C (27°F) to a maximum of 30°C (86°F), with an average of 13°C (56°F), making it considerably warmer and more variable. The month experiences around 50 mm (2.0 in) of precipitation over 9 days, accompanied by a moderate humidity level of 62%. In stark contrast, November's temperatures drop significantly, with a minimum of -13°C (9°F) and an average of just 3°C (37°F), reaching a maximum of 19°C (67°F). Precipitation decreases to 33 mm (1.3 in) over 6 days, but humidity rises to a notable 89%, contributing to a much cooler and damp atmosphere. For a closer look at the weather specifics, you can visit Bicaz weather in November.

September weather in the region is characterized by a broad temperature range, with minimums dipping to -3°C (27°F) and maximums soaring up to 30°C (86°F), resulting in an average of 13°C (56°F). This month sees moderate precipitation at 50 mm (2.0 in) across about 9 days, with an average humidity of 62%. In contrast, December brings a significant drop in temperatures, with minima reaching as low as -23°C (-8°F) and a chilly average of -1°C (30°F), peaking at just 12°C (53°F). The month experiences slightly higher precipitation at 55 mm (2.2 in) over about 11 days, accompanied by a much higher humidity level of 90%. For more detailed insights into December conditions, visit Bicaz weather in December.

Compare Bicaz's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bicaz

As September unfolds in Bicaz, it offers a remarkable transition from the warmth of summer to the coolness of autumn. With maximum temperatures still reaching a pleasant 30°C (86°F), the month stands out as a brief reminder of summer's linger, yet the average drops significantly, inviting cooler and refreshing days. The increased moisture, characterized by 50 mm of precipitation over 9 days, adds a touch of lushness to the vibrant landscapes. Humidity levels hover around 62%, creating a crisp atmosphere that contrasts sharply with the sweltering heat of July and August. For those interested in diving deeper into Bicaz's unique climate, be sure to explore Bicaz Climate for a comprehensive overview.