September Weather in Bursa, Turkey

Last updated: August 27, 2025

Bursa, Turkey, in September offers a fascinating blend of warm and cool weather. Daily maximum temperatures can soar up to 37°C (99°F), while the average hovers around a comfortable 21°C (70°F). Evenings can bring a refreshing drop, with minimum temperatures dipping to 8°C (47°F). Rainfall is modest, with a total of 33 mm (1.3 in) spread across five days, contributing to the region's 60% humidity. This month is ideal for those who enjoy a mix of summer warmth and cooler autumn breezes, making Bursa an attractive destination.

September Temperature in Bursa

As September rolls in, Bursa, Turkey, transforms into a region of gentle warmth, with temperatures swinging between a minimum of 8°C (47°F) and soaring up to a peak of 37°C (99°F). The city basks in an average temperature of 21°C (70°F), marking a notable transition from the summer heat to the more temperate climate of autumn. This month showcases a delightful balance, as the lingering warmth from the summer's end complements the crispness of a new season. Additionally, September's pleasant days present an ideal backdrop for outdoor exploration, making it a perfect time for visitors to soak in Bursa's natural beauty before cooler autumn air takes hold.

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

The chart illustrates September temperature patterns in Bursa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bursa, 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).
JanFebMarAprMayJunJulAugSepOctNovDec404446546370747570615346
Data source: Temperature data for Bursa 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 Bursa

September in Bursa, Turkey marks a notable shift in climatic patterns as the summer heat gives way to the onset of autumn. With only 33 mm (1.3 in) of precipitation over 5 days, September experiences a slight uptick compared to the parched August, which recorded a mere 16 mm (0.6 in). This increase hints at a gradual transition toward the wetter months ahead, aligning with the trend observed in October and November, where precipitation rises significantly. While the days of rain are relatively few, the modest amounts signal the beginning of a season where Bursa typically sees more frequent rainfall, ultimately paving the way for the wetter winter months that follow.

September Precipitation Trends in Bursa

The chart displays monthly precipitation patterns in Bursa, 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 Bursa, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec108781086977803616336363125
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bursa

In September, Bursa, Turkey experiences a notable increase in humidity, reaching 60%, a slight rise from the drier months of summer. This reflects a transitional phase as the region shifts from the warm, low-humidity days of August (55%) toward the more humid, autumn months ahead. Following the peak summer heat, the atmosphere begins to feel more layered, as increasing moisture sets the stage for the vibrant colors of fall. Notably, this month’s humidity is an indicator of the return to more comfortable, yet slightly damp conditions, contrasting sharply with the low of July (63%) and hinting at the wetter months that lie ahead. The gradual uptick in humidity signifies the delicate balance of Bursa’s climate, where each month brings a unique rhythmic change, preparing both the landscape and its inhabitants for the transitions to come.

September Average Humidity in Bursa

This chart illustrates the average monthly humidity levels in Bursa, 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 Bursa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%83%76%77%70%63%55%60%73%82%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bursa

As summer transitions into autumn, September in Bursa, Turkey, sees a slight decline in the UV Index, which stands at 8—reflecting 'very high' exposure levels. This is a continuation of the intense UV radiation experienced during the peak summer months of June and July, where the index peaked at 10. Notably, the burn time remains swift at just 15 minutes, necessitating caution among sun seekers. The trend indicates a gradual shift from the relentless summer sun towards more moderate conditions, with October heralding a further drop to a 6. For those enjoying the sunny September days, it’s essential to remain vigilant against overexposure and to stay informed about the UV levels by visiting Bursa UV Index.

Maximum UV Index Levels in Bursa for September

The chart shows the monthly maximum UV Index (UVI) for Bursa 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 Bursa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34789101098642
Data source: Bursa 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 Bursa

In September, Bursa, Turkey, continues to enjoy an abundance of sunshine, with an impressive 345 hours of sunlight illuminating the landscape. This month marks a gradual transition from the peak summer months, where July shines brightest with 428 hours of sun, to the more temperate fall season. As the long, sun-soaked days of June and July give way to the cooler conditions of autumn, September's sunshine remains significant, ensuring ample opportunities for outdoor exploration. The steady decline in sunlight hours is a gentle reminder of the changing seasons, moving from the sun's intense brilliance in June to a more moderate glow as autumn approaches, yet still providing a warm and inviting atmosphere for both locals and visitors alike.

Monthly Sunshine Duration in Bursa: September Highlighted

The September sunshine duration represents the total number of hours Bursa 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.
JanFebMarAprMayJunJulAugSepOctNovDec167h234h306h341h392h406h428h396h345h308h255h217h
Data source: Bursa September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bursa During September

As summer transitions into autumn, September in Bursa, Turkey, offers a delightful balance of warmth and sunshine, with a 62% chance of sunny weather. This figure reflects a consistent trend of increasing sun exposure throughout the summer months, peaking at an impressive 85% in August. As the region shifts from the intense heat of July and August, September still retains a significant portion of sunny days, making it a wonderful time for outdoor activities. The likelihood of clear skies is supported by a gradual decrease in sunshine as the year progresses, with October showing a notable drop to 52%. Overall, September presents an inviting opportunity for visitors to enjoy the pleasant weather before the cooler autumn months set in.

Percentage of Sunny Days in September in Bursa

The chart illustrates the percentage of sunny days in Bursa 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 Bursa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%45%35%39%60%66%79%85%62%52%45%33%
Data source: Bursa September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bursa in September

As September rolls into Bursa, Turkey, the lingering warmth of summer begins to wane, reflected in the 12 hours of daylight the month offers. Following a sun-soaked peak of 14 hours in June and July, daylight gradually starts its gentle descent, transitioning from the vibrant days of summer to the more subdued atmosphere of autumn. This month marks a subtle shift, where the days slowly shorten, hinting at the cooler weather ahead. With 12 hours of daylight in September, residents and visitors alike can still embrace ample opportunities for outdoor activities, enjoying the last vestiges of the long summer days.

Average Daylight Hours in Bursa for September

The chart illustrates the variation in daylight duration in Bursa throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 39m10h 40m11h 57m13h 17m14h 24m14h 58m14h 40m13h 41m12h 24m11h 5m9h 56m9h 20m
Data source: Bursa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bursa

As September unfolds in Bursa, Turkey, a gentle breeze emerges, with the average wind speed rising to 2.4 m/s (5 mph). This marks a notable shift from the calm of summer months, where winds hovered around 2.2 m/s. The winds in September not only bring a refreshing change but also pave the way for the crispness of autumn. Throughout the year, wind speeds have generally remained consistent, fluctuating between 1.7 m/s to 2.3 m/s, but the slight uptick in September signals the transition of seasons, inviting both locals and visitors to embrace the outdoors with a renewed energy and invigorating atmosphere. As the leaves begin to turn, the September winds offer not just a physical breeze, but a gentle reminder of the vibrant shifts in nature.

Average September Wind Speed in Bursa

The chart displays monthly wind speed patterns in Bursa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.22.01.91.91.72.32.22.4 m/s2.22.02.2
Data source: Bursa September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bursa Compares to Other Months

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

September in Bursa experiences a wide range of temperatures, with minimums around 8°C (47°F) and maximums reaching up to 37°C (99°F), creating a warm and often humid atmosphere, averaging at 21°C (70°F). The month typically sees about 33 mm (1.3 in) of precipitation over approximately 5 days, making it relatively dry compared to the winter months.

In contrast, January brings much colder conditions with minimum temperatures plummeting to -10°C (14°F) and an average of 5°C (41°F), while maximums are similar to September at 21°C (70°F). However, January is considerably wetter, receiving about 108 mm (4.2 in) of precipitation across 13 days and higher humidity levels at 84%, resulting in a damp and chilly environment. For more details on the January weather in Bursa, you can check Bursa weather in January.

September and February present distinctly different weather patterns. In September, temperatures can range from a mild 8°C (47°F) at night to a scorching 37°C (99°F) during the day, with an average of 21°C (70°F). While the month receives relatively low precipitation of 33 mm (1.3 in) over 5 days, humidity levels sit at a comfortable 60%. In contrast, February experiences much colder temperatures, with lows plunging to -9°C (17°F) and an average of only 7°C (44°F), peaking at 22°C (72°F). This month is also wetter, with precipitation totaling 78 mm (3.1 in) across 11 days and higher humidity levels at 84%. For more detailed insights, you can check Bursa weather in February.

September and March present strikingly different weather conditions. In September, temperatures range from a mild 8°C (47°F) to a scorching max of 37°C (99°F), with an average of 21°C (70°F). The month typically sees around 33 mm (1.3 in) of precipitation over 5 days, accompanied by a humidity level of 60%. In contrast, March experiences much cooler temperatures, with lows plunging to -8°C (18°F) and an average of just 8°C (47°F). It also boasts a relatively warmer max of 24°C (75°F). Precipitation is more pronounced in March, accumulating to 108 mm (4.2 in) over 13 days, alongside higher humidity at 83%. For a detailed look at March's climate, check out Bursa weather in March.

In comparing the weather patterns of September and April, we notice distinct differences. September offers warmer temperatures, with a minimum of 8°C and an average high of 21°C, compared to April's cooler range, where temperatures dip as low as 1°C and average around 12°C. Humidity levels are also lower in September at 60%, while April sees a higher humidity level of 76%. While September experiences less precipitation overall, with 33 mm spread over 5 days, April is wetter, accumulating 69 mm over 11 days. For a deeper look at April's weather specifically, you can check Bursa weather in April.

In comparing the weather between September and May, September showcases a broader temperature range, with minimums around 8°C (47°F) and maximums soaring up to 37°C (99°F), resulting in an average temperature of 21°C (70°F). In contrast, May experiences a milder climate, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 33°C (91°F), averaging 17°C (63°F). Humidity levels are notably higher in May at 77%, compared to September's 60%. Additionally, May is characterized by more precipitation, receiving 77 mm (3.0 in) over 11 days, while September sees only 33 mm (1.3 in) spread over 5 days. For more specific details on May's weather, check out Bursa weather in May.

September and June in Bursa present distinct weather characteristics despite having similar average temperatures. In June, temperatures range from a minimum of 10°C (50°F) to a maximum of 33°C (91°F), with a higher humidity level of 70% and increased precipitation at 80 mm (3.2 in) over 13 days. In contrast, September boasts a broader temperature range, with a minimum of 8°C (47°F) and a high of 37°C (99°F), making it warmer overall, yet it experiences less rainfall—only 33 mm (1.3 in) over just 5 days. This leads to a drier atmosphere with a lower humidity of 60%. Thus, while both months have a pleasant average temperature of 21°C (70°F), September is warmer and drier compared to the wetter and more humid conditions typical of June. For more insights about June weather, you can visit Bursa weather in June.

When comparing the weather in September and July, there are notable differences in temperature and precipitation patterns. September experiences a wider temperature range, with minimums dropping to 8°C (47°F) even as maximums can reach up to 37°C (99°F), resulting in an average of 21°C (70°F). In contrast, July maintains milder minimum temperatures at 14°C (57°F) and a slightly lower maximum of 35°C (95°F), with an average temperature of 23°C (75°F). Both months see about 5 days of precipitation, but July has a bit more at 36 mm (1.4 in), compared to September's 33 mm (1.3 in). Humidity levels are also similar, with September at 60% and July slightly higher at 63%. For more detailed insights, you can check Bursa weather in July.

In comparison to August, September experiences a notable drop in minimum temperatures, averaging 8°C (47°F) compared to August's 14°C (58°F). The average temperature in September is also slightly lower at 21°C (70°F), in contrast to August's warmer 24°C (76°F). Although September sees higher maximum temperatures, reaching up to 37°C (99°F), it also comes with increased precipitation, totaling 33 mm (1.3 in) over about 5 days, compared to August's lighter rainfall of 16 mm (0.6 in) over just 2 days. Humidity levels are slightly elevated in September at 60%, compared to 55% in August. For a more detailed look at August conditions, you can refer to Bursa weather in August.

September and October present contrasting weather patterns. In September, temperatures range from a minimum of 8°C (47°F) to a scorching maximum of 37°C (99°F), with an average of 21°C (70°F). This month experiences relatively low precipitation, totaling 33 mm (1.3 in) over just 5 days, and humidity sits at 60%. In contrast, October brings cooler temperatures with a minimum of 3°C (37°F) and an average of 16°C (61°F), peaking at 34°C (93°F). Rainfall increases significantly to 63 mm (2.5 in) over 8 days, and humidity rises to 73%. For more detailed insights, you can check Bursa weather in October.

September and November present distinctly different weather patterns. In September, temperatures range from a mild 8°C (47°F) at night to a sweltering 37°C (99°F) during the day, with an average of 21°C (70°F). The month sees relatively low precipitation of 33 mm (1.3 in) over just 5 days, and humidity averages around 60%. In contrast, November brings a notable drop in temperatures, with a minimum of 0°C (32°F), an average of 12°C (53°F), and a maximum of 25°C (78°F). Precipitation increases to 63 mm (2.5 in) over 9 days, and humidity rises significantly to 82%. For more detailed information, you can check Bursa weather in November.

September and December showcase striking contrasts in weather. In September, temperatures range from a mild 8°C (47°F) at night to a warm 37°C (99°F) during the day, with an average of 21°C (70°F). This month also experiences relatively low precipitation, with about 33 mm (1.3 in) falling over just five days, and humidity sits at around 60%. In contrast, December sees much colder conditions, with temperatures dipping as low as -4°C (25°F) at night and peaking at a maximum of 21°C (70°F), averaging just 8°C (46°F). This month is significantly wetter, with a total precipitation of 125 mm (4.9 in) over 14 days and humidity rising to 85%. For more detailed information, check out Bursa weather in December.

Compare Bursa's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bursa

As September rolls into Bursa, the weather begins to shift, welcoming a mix of warmth and coolness that sets it apart from the scorching heights of summer. With a maximum temperature that can reach a sizzling 37°C (99°F) but an average that settles at a comfortable 21°C (70°F), this month serves as a gentle transition into the cooler autumn days ahead. The relatively low precipitation of 33 mm over 5 days keeps the landscape dry, making it an excellent time for outdoor activities. Only a hint of humidity at 60% adds to the pleasantness, ensuring that the evenings are refreshingly cool compared to the peak summer heat. For a deeper dive into how Bursa's climate evolves throughout the year, visit Bursa Climate.