September Weather in Targu-Mures, Romania

Last updated: August 27, 2025

In Târgu Mureș, Romania, the weather in September presents a striking mix of warmth and occasional rain, with maximum temperatures reaching up to 33°C (91°F) and an average of 17°C (63°F). Visitors can expect a refreshing chill on crisp mornings, where the temperature dips to a minimum of 0°C (32°F). This month sees a total precipitation of 55 mm (2.2 in) occurring over 7 days, resulting in a relative humidity of 64%. As summer transitions to autumn, the vibrant colors of the landscape are accompanied by mild weather, making it an ideal time to explore this charming city.

September Temperature in Targu-Mures

In September, Targu-Mures experiences a delightful transition from summer’s heat to the crispness of autumn. With minimum temperatures around 0°C (32°F), the days begin to cool off, yet the average temperature remains a pleasant 17°C (63°F), making it an ideal time for outdoor activities. As the month progresses, daily highs can reach up to 33°C (91°F), showcasing the lingering warmth of summer. This trend marks a significant drop from the scorching temperatures of August, reflecting the gradual shift in seasons. The freshness in the air coupled with comfortable warmth makes September a perfect month for exploring the beautiful landscapes of Romania.

September Weather in Targu-Mures: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Targu-Mures, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Targu-Mures, 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).
JanFebMarAprMayJunJulAugSepOctNovDec293642526169717363524335
Data source: Temperature data for Targu-Mures generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Targu-Mures

September in Târgu Mureș sees a moderate precipitation level of 55 mm (2.2 in), slightly tapering off after the wetter summer months. The falling number of rainy days, totaling just 7, indicates that while rain is still a factor, it doesn't dominate the month as much as in late spring. This trend reflects a gradual transition into autumn, marked by a decrease in both the intensity and frequency of rainfall compared to the peak in May and June. As the city prepares for the cooler months, September’s weather offers a pleasant balance of sunshine mixed with occasional showers, fostering a vibrant landscape as the leaves begin to change.

September Precipitation Trends in Targu-Mures

The chart displays monthly precipitation patterns in Targu-Mures, 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 Targu-Mures, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec324750459690936555483063
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Targu-Mures

As summer subtly gives way to autumn, September in Targu-Mures experiences a noticeable shift in humidity, settling at 64%. This marks a rise from the drier months of July and August, which boasted comfortable levels around 64% and 55% respectively. The humidity trend highlights a gradual increase as the year progresses, reaching peaks in the cold months, with January and February featuring the highest levels at 93% and 88%. As September unfolds, the ambiance becomes more refreshing, hinting at the cooler days ahead while still providing a hint of summer's warmth.

September Average Humidity in Targu-Mures

This chart illustrates the average monthly humidity levels in Targu-Mures, 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 Targu-Mures 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 Targu-Mures

In September, Targu-Mures experiences a UV Index of 7, placing it in the high exposure category. This means that while the sun is still quite strong as summer wanes, the burn time increases to 25 minutes, allowing for more enjoyable outdoor activities without severe risk. The trend from previous months shows a gradual decline from the peak UV Index values of 9 seen in July and June, yet still retains significant intensity. As autumn approaches, it's essential to remain mindful of sun safety. For more details, visit Targu-Mures UV Index.

Maximum UV Index Levels in Targu-Mures for September

The chart shows the monthly maximum UV Index (UVI) for Targu-Mures 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 Targu-Mures typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Targu-Mures 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 Targu-Mures

As summer gracefully transitions into autumn, September in Targu-Mures continues to bask in the warmth of sunshine, with 337 hours of radiant light illuminating the city's vibrant streets. This notable figure, while lower than the peak summer months of July and June, still reflects a significant abundance compared to the cooler days of October and the winter months ahead. The gradual decline in sunlight from the summer highs indicates the onset of fall, yet September maintains a bright charm, inviting both locals and visitors to savor the lingering warmth and beauty of the season. As the leaves begin to change, Targu-Mures offers a picturesque backdrop, where sunny days are perfect for outdoor exploration and leisure before the chill sets in.

Monthly Sunshine Duration in Targu-Mures: September Highlighted

The September sunshine duration represents the total number of hours Targu-Mures 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.
JanFebMarAprMayJunJulAugSepOctNovDec162h221h289h344h392h405h420h403h337h285h226h181h
Data source: Targu-Mures September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Targu-Mures During September

In Targu-Mures, Romania, September stands out with a 46% chance of sunny weather, positioning it as one of the more favorable months for sunshine in the latter half of the year. This month marks a subtle transition from the peak summer months, where the chances of sun reach 55% in July and 54% in August. As autumn begins to set in, September maintains a commendable level of sunlight, offering residents and visitors alike the perfect opportunity to enjoy milder temperatures and outdoor activities. While the likelihood of sunny days does dip compared to the summer, September's weather is notably more reliable than the chillier months that follow, making it an ideal time to soak in the remaining warmth before winter approaches.

Percentage of Sunny Days in September in Targu-Mures

The chart illustrates the percentage of sunny days in Targu-Mures 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 Targu-Mures experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%30%40%40%38%47%55%55%46%51%35%14%
Data source: Targu-Mures September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Targu-Mures in September

As summer transitions into autumn, September in Târgu Mureș, Romania, witnesses a notable shift in daylight duration, offering around 12 hours of daylight. This marks a gradual decline from the sun-soaked 15 hours of summer's peak in June, July, and August. The month serves as a gentle reminder that autumn is approaching, as daylight hours decrease further, foreshadowing the shorter days of October and November ahead. This progressive change, from the vibrant light of early summer to the subdued hues of fall, paints a captivating portrait of nature's rhythm, inviting residents and visitors alike to savor the cooler days and the beauty of the changing seasons.

Average Daylight Hours in Targu-Mures for September

The chart illustrates the variation in daylight duration in Targu-Mures throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 1m10h 18m11h 56m13h 35m15h 1m15h 45m15h 21m14h 6m12h 30m10h 51m9h 23m8h 37m
Data source: Targu-Mures daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Targu-Mures

In September, Targu-Mures experiences a mild and gentle breeze with an average wind speed of 2.2 m/s (5 mph), continuing the trend of soft winds that characterize the late summer and early autumn months. This slight uptick from August's calmness indicates a subtle transition as nature prepares for the cooler months ahead. Overall, September's winds remain consistent with the yearly pattern, which shows relatively low averages throughout the year, peaking slightly in January and May. As the season changes, the refreshing September winds invite residents and visitors alike to enjoy the beauty of Targu-Mures before winter's chill sets in.

Average September Wind Speed in Targu-Mures

The chart displays monthly wind speed patterns in Targu-Mures, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.42.32.22.52.12.22.02.2 m/s2.42.02.3
Data source: Targu-Mures September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Targu-Mures Compares to Other Months

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

In September, temperatures in Târgu Mureș range from a chilly 0°C (32°F) at night to a warm 33°C (91°F) during the day, with an average of around 17°C (63°F). The month sees some rainfall, totaling approximately 55 mm (2.2 in) over about 7 days, and the humidity stands at a moderate 64%. In stark contrast, January presents a much colder climate, with temperatures plunging to a minimum of -22°C (-6°F) and peaking at only 14°C (58°F), averaging -1°C (30°F). Precipitation in January is lower, at around 32 mm (1.2 in), but the humidity is significantly higher at 93%. For more details on winter weather, check out Targu-Mures weather in January.

September and February offer starkly contrasting weather patterns. In September, temperatures can range from a refreshing 0°C (32°F) to a warm 33°C (91°F), with an average of 17°C (63°F). This month experiences about 55 mm (2.2 in) of precipitation over approximately 7 days, with a humidity level of 64%. In contrast, February is much colder, with temperatures dipping as low as -11°C (12°F) and peaking at 17°C (63°F), averaging around 2°C (36°F). Despite receiving slightly less precipitation at 47 mm (1.9 in) over 10 days, February's humidity is notably high at 88%. For more detailed insights into February's weather, you can check Targu-Mures weather in February.

September and March present quite different weather patterns. September offers a milder climate with average temperatures around 17°C (63°F) and the possibility of reaching highs of 33°C (91°F), making it a pleasant month for outdoor activities. In contrast, March is significantly colder, with an average temperature of just 5°C (42°F) and the potential for lows dropping to -12°C (10°F). While September experiences about 55 mm (2.2 in) of precipitation over 7 days, March is slightly wetter at 50 mm (2.0 in) but spans 11 days of rainfall, contributing to its higher humidity level of 86%. For a detailed look at March weather conditions, please visit Targu-Mures weather in March.

September and April present distinct weather characteristics, reflecting the transition from summer to autumn and from winter to spring, respectively. In September, temperatures range from a minimum of 0°C (32°F) to a comfortable average of 17°C (63°F), peaking at a warm 33°C (91°F), while April experiences cooler temperatures, with a minimum of -6°C (22°F) and an average of 11°C (52°F), peaking at 29°C (85°F). Precipitation is slightly higher in September at 55 mm (2.2 in) over 7 days compared to April's 45 mm (1.8 in) across 9 days, indicating more consistent rain during the latter month. Moreover, April's humidity at 79% is notably higher than September's 64%, contributing to a more damp atmosphere as spring unfolds. For more detailed insights, you can check Targu-Mures weather in April.

September and May exhibit distinct weather characteristics. In September, temperatures range from a cool 0°C (32°F) to a warm 33°C (91°F), with an average of 17°C (63°F). The month experiences about 55 mm (2.2 in) of precipitation over roughly 7 days, coupled with a relative humidity of 64%. In contrast, May sees slightly warmer conditions, with temperatures fluctuating between 1°C (35°F) and a high of 31°C (88°F), averaging around 16°C (61°F). However, it is also wetter, receiving approximately 96 mm (3.8 in) of rainfall over 15 days and maintaining a higher humidity level of 71%. For a deeper insight into May's weather patterns, you can visit Targu-Mures weather in May.

When comparing the weather in September and June, several differences become apparent. September tends to have a wider temperature range, with minimums dropping to 0°C (32°F) and maximums reaching up to 33°C (91°F), while June maintains a warmer profile, with minimums around 7°C (46°F) and maximums peaking at 36°C (97°F). Additionally, June experiences more frequent rainfall, with precipitation on 15 days totaling 90 mm (3.6 in), compared to September's 7 days of rain and 55 mm (2.2 in). Humidity levels are also slightly higher in June at 71%, compared to 64% in September, making June feel a bit more humid overall. For more detailed insights on June weather, you can refer to Targu-Mures weather in June.

When comparing the weather in September and July, notable differences emerge. September experiences a broader temperature range, with a minimum of 0°C (32°F) and a maximum reaching up to 33°C (91°F), while July maintains milder lows of 10°C (50°F) and hotter highs of 36°C (97°F). Average temperatures in July are slightly higher at 21°C (71°F) compared to September's average of 17°C (63°F). Precipitation is more frequent in July, with 93 mm (3.7 in) falling over 13 days, contrasting with September's 55 mm (2.2 in) over just 7 days. Despite both months sharing the same humidity level of 64%, July's heat and rain make for a more intense summer experience. For more detailed climate information, you can check Targu-Mures weather in July.

In September, the weather in Târgu Mureș experiences a noticeable shift compared to August. While the minimum temperature in September dips to 0°C (32°F), August sees a milder minimum of 8°C (47°F). The average temperature in September is 17°C (63°F), significantly lower than August's 23°C (73°F), and the maximum temperature in September peaks at 33°C (91°F), which is still below August's high of 38°C (101°F). Additionally, September has slightly less precipitation at 55 mm (2.2 in) compared to August's 65 mm (2.6 in), although both months record rainfall over seven days. Lastly, humidity is higher in September at 64%, compared to August's 55%. For more details, check out Targu-Mures weather in August.

In September, temperatures in Târgu Mureș range from a minimum of 0°C (32°F) to a maximum of 33°C (91°F), with an average of 17°C (63°F). The month sees 55 mm (2.2 in) of precipitation over 7 days, while humidity hovers around 64%. In contrast, October experiences cooler temperatures, with a minimum of -4°C (26°F), an average of 11°C (53°F), and a maximum of 29°C (84°F). Precipitation slightly decreases to 48 mm (1.9 in), also spread over 7 days, but the humidity rises significantly to 83%. This shift reflects a transition from the warmth of September to the crisp chill of October. For more detailed weather information, you can visit Targu-Mures weather in October.

In September, the weather is warm and variable, with temperatures ranging from a chilly 0°C (32°F) at night to a pleasant 33°C (91°F) during the day, and an average of 17°C (63°F). The month sees a moderate amount of rainfall, totaling 55 mm (2.2 in) over about 7 days, and has a comfortable humidity level of 64%.

In stark contrast, November brings a definite chill, with temperatures dipping significantly; it can range from a low of -7°C (19°F) to a maximum of 26°C (80°F), averaging just 6°C (44°F). Precipitation is lower at 30 mm (1.2 in), occurring over 8 days, but the humidity rises to a notable 91%, making the atmosphere feel colder than it is. For more insights on the weather during this month, you can check Targu-Mures weather in November.

In September, the weather is much warmer, with average temperatures around 17°C (63°F) and highs reaching up to 33°C (91°F), while December sees a stark contrast with an average temperature of just 2°C (36°F) and maximums of 14°C (58°F). September tends to be drier with 55 mm (2.2 in) of precipitation over about 7 days, whereas December experiences more precipitation, totaling 63 mm (2.5 in) over 13 days. Additionally, December's humidity rises significantly to 92%, compared to September's 64%, making the winter month feel much colder and damp. For more detailed information, you can check Targu-Mures weather in December.

Compare Targu-Mures's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Targu-Mures

As September unfolds in Targu-Mures, the weather showcases a delightful transition from the heat of summer to the cooler embrace of autumn. Temperatures average a mild 17°C, offering a comfortable climate perfect for outdoor activities, while sporadic rainfall adds to the lushness of the surroundings. This month experiences a unique blend of warmth with occasional cooler days, distinguishing it from the hotter summer months and the brisk approaches of fall. With an average of 7 days of precipitation, the humidity sits at a pleasant 64%, creating a refreshing atmosphere. For a deeper dive into Targu-Mures' unique climate patterns, be sure to check out Targu-Mures Climate.