Last updated: August 27, 2025
September in Boğaziçi, Turkey features a dynamic climate, where warm days meet cooler nights. The maximum temperature can peak at an intense 39°C (103°F), while the average settles around a pleasant 25°C (78°F). As the month progresses, temperatures dip to a refreshing minimum of 11°C (52°F) during the night. With just 10 mm (0.4 in) of rainfall over one day, this month offers generally dry conditions, complemented by a moderate humidity level of 70%. Whether enjoying the sun or taking in the evening breeze, September provides a balanced weather experience in this picturesque region.
In September, Bogazici, Turkey, experiences a delightful transition into autumn, characterized by pleasantly mild temperatures. With minimums reaching around 11°C (52°F) and averages hovering at a comfortable 25°C (78°F), the month offers a refreshing reprieve from the sweltering summer heat. The maximum temperatures can still soar to 39°C (103°F), reminiscent of late summer days, but gradually give way to cooler evenings. This blend of warm days and cooler nights creates an ideal atmosphere for outdoor activities and exploration, making September a beloved month for both locals and visitors alike. As the landscape begins to shift in color, the weather perfectly complements the seasonal charm, inviting everyone to enjoy the beauty of the changing season.
September in Bogazici, Turkey, marks a subtle transition in precipitation patterns as the dry summer months draw to a close. With only 10 mm (0.4 in) of rainfall recorded on a mere 1 day, September is notably drier compared to the wetter months of the year. This light precipitative respite contrasts sharply with the heavy rains of January, where 140 mm (5.5 in) fall over 11 days. The gradual decline in rainfall from the spring peaks of April and May, down to just a trickle by late summer, illustrates a clear seasonal shift towards drier conditions. As Bogazici approaches autumn, the anticipation of increased precipitation returns in October, when a more significant 59 mm (2.3 in) is expected, signaling a return to the region's wetter climate.
In September, humidity levels in Bogazici, Turkey, settle at a comfortable 70%, providing a pleasant transition from the sweltering summer months. This slight dip follows the peak humidity experienced in May at 81% and the gradual decrease through the summer, where humidity fell to its lowest at 66% in August. The trend shows a stabilization as the region moves into autumn, with humidity resuming levels typical of the spring months. As the year progresses, October sees a slight rebound to 76%, hinting at the seasonal shifts that characterize this charming coastal locale. Overall, September's humidity offers a welcome balance, marking a serene pause before the higher levels re-emerge in the fall.
As September rolls in, Bogazici, Turkey experiences a significant shift in UV exposure, with a UV Index of 8, indicating a very high exposure category. This marks a slight decrease from the peak summer months, where the UV Index consistently held at 10 throughout June to August, necessitating only 15 minutes of unprotected sun exposure before risking a burn. However, with the return to school and autumn routines, vigilance against UV radiation remains critical as the burn time remains at 15 minutes this month. Looking back at the year, the UV Index notably peaks in the summer months and gradually declines towards winter, with January and December recording a moderate index of 3. For those spending time outdoors in early fall, understanding these trends is essential for safe sun practices. To learn more about the UV index in this area, visit Bogazici UV Index.
UV Risk Categories
As September arrives in Bogazici, Turkey, the golden warmth of summer begins to wane, yet the sun continues to shine brightly, boasting 348 hours of sunshine this month. This charming coastal locale witnesses a remarkable transition from the intense sun-soaked months of June and July, which peak at 408 and 425 hours respectively, to the gentler light of autumn. Although the days may be shortening, September still holds on to a generous amount of sunlight, making it a perfect time for outdoor enthusiasts to explore the stunning landscapes. The month’s sunshine gradually declines towards October’s 321 hours, but it still encapsulates the lingering essence of summer, promising pleasantly warm days before cooler weather takes its place.
As September rolls into Bogazici, Turkey, the chances of basking in the sun remain impressively high, with a 90% likelihood of sunny weather. This marks a slight dip from the summer months, where August peaks at a remarkable 99% sunshine probability, yet still offers plenty of brilliant days for outdoor activities. In fact, September's sunny disposition follows a well-established trend of increasing sunlight from the early months of the year, where January starts at just 37%. With the warmth of summer lingering, September is an ideal time for visitors to enjoy the stunning landscapes and vibrant culture of Bogazici under a mostly clear sky.
As September arrives in Bogazici, Turkey, the days begin to shorten, offering around 12 hours of daylight. This marks a subtle transition from the vibrant, sun-drenched months of late spring and summer, where daylight peaked at 14 hours from May to July. Notably, September has slightly less daylight than August, which had 13 hours, signaling the onset of autumn. Following this progressive decline, the month of October will further reduce daylight hours to 11, reinforcing the rhythmic shift of seasons. Throughout the year, daylight duration ebbs and flows, illustrating the region's dynamic climate, as winter approaches with shorter days averaging just 9 hours by December.
As September arrives in Bogazici, Turkey, the average wind speed settles at 2.4 m/s (5 mph), marking a gentle transition from the breezy summer months. Notably, this month aligns closely with the calmer winds of April and May, reflecting a return to the mildness that characterizes the late summer. Following the slightly brisker air of July and August, where winds picked up to 2.8 m/s (6 mph), September brings a refreshing yet subtle breeze, hinting at the approaching autumn. As the year progresses into October, a slight dip to 2.0 m/s (4 mph) suggests a shift towards cooler, quieter days ahead, enhancing the tranquil charm of Bogazici’s early autumn landscape.
Weather in Bogazici varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bogazici, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather. In September, temperatures range from a comfortable minimum of 11°C (52°F) to a sweltering maximum of 39°C (103°F), with an average of 25°C (78°F). Precipitation is minimal, averaging just 10 mm (0.4 in) across only one day, contributing to a humidity level of 70%. In contrast, January features a much cooler climate, with temperatures dipping to a minimum of -5°C (24°F) and peaking at a mild 21°C (71°F), averaging around 8°C (46°F). The month is notably wetter, with total precipitation reaching 140 mm (5.5 in) over 11 days and a slightly higher humidity of 77%. For more details on January weather, you can check Bogazici weather in January.
In September, the weather is characterized by much warmer temperatures, ranging from a minimum of 11°C (52°F) to a scorching maximum of 39°C (103°F), with an average temperature of 25°C (78°F). The month experiences minimal precipitation, with only about 10 mm (0.4 in) falling over just one day, and humidity levels hover around 70%. In contrast, February brings a significant chill, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 20°C (69°F) and an average of 10°C (50°F). This month sees much higher precipitation, totaling 72 mm (2.8 in) over approximately 10 days, along with a slight increase in humidity to 76%. For more details, visit Bogazici weather in February.
September and March exhibit stark contrasts in weather conditions. In September, temperatures soar, with a minimum of 11°C (52°F) and a maximum that can reach up to 39°C (103°F), accompanied by relatively low precipitation of just 10 mm (0.4 in) across a single rainy day and humidity levels hovering around 70%. In contrast, March experiences cooler averages, with temperatures ranging from a chilly -4°C (26°F) to a mild maximum of 24°C (75°F). This month is significantly wetter, receiving approximately 75 mm (3.0 in) of rainfall over 10 days, and a slightly higher humidity at 77%. For a deeper look into weather specifics during March, you can check Bogazici weather in March.
In September, the weather is typically much warmer, with temperatures ranging from a cool 11°C (52°F) at night to a scorching maximum of 39°C (103°F) during the day, accompanied by only a light amount of precipitation. In contrast, April experiences significantly milder conditions, with lows of 2°C (35°F) and daytime highs reaching up to 31°C (88°F), along with more frequent rainfall occurring over six days and a total precipitation of 42 mm (1.7 in). Additionally, humidity is slightly higher in April at 77%, compared to September's 70%. For more detailed information, you can check Bogazici weather in April.
When comparing the weather in September and May, several distinct differences emerge. September experiences a higher average temperature of 25°C (78°F) with a maximum soaring to 39°C (103°F), while May has a cooler average of 21°C (70°F) and a similar peak at 39°C (102°F). Additionally, September boasts lower precipitation with just 10 mm (0.4 in) across only one rainy day, in contrast to May’s 35 mm (1.4 in) spread over six rainy days. Humidity levels are also slightly higher in May at 81% compared to September’s 70%. For a closer look at the weather patterns, check Bogazici weather in May.
In September, the weather typically features a minimum temperature of 11°C (52°F) and a maximum of 39°C (103°F), with an average temperature of around 25°C (78°F). The month sees low precipitation, averaging just 10 mm (0.4 in) over one day, and a humidity level of 70%. In contrast, June experiences slightly warmer temperatures, with a minimum of 12°C (53°F) and a maximum of 38°C (101°F), while also averaging 25°C (77°F). However, June is characterized by higher precipitation at 27 mm (1.1 in) spread over six days, resulting in a higher humidity level of 77%. This makes September generally drier and less humid compared to June. For more details on the weather in June, you can visit Bogazici weather in June.
In comparing the weather of September and July, we see notable differences in temperature and overall conditions. September tends to have a slightly wider temperature range, with minimums of 11°C (52°F) and maximums reaching up to 39°C (103°F), whereas July is generally warmer, with minimums of 17°C (63°F) and maximums hitting 43°C (109°F). Both months feature low precipitation, with September receiving 10 mm (0.4 in) over just one day, and July even less at 4 mm (0.1 in) over one day. Humidity levels are comparable, remaining fairly high at around 70% for September and 71% for July. For additional details on July weather, you can check out Bogazici weather in July.
In comparing the weather of September and August, September tends to be slightly cooler, with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 39°C (103°F), compared to August’s milder range of 19°C (66°F) to 42°C (107°F). While September sees an average temperature of 25°C (78°F), August’s average is notably higher at 29°C (85°F). Both months experience minimal precipitation, with September recording 10 mm (0.4 in) over just 1 rainy day, while August has even less at only 3 mm (0.1 in) on a similar number of days. September's humidity is at 70%, slightly higher than August’s 66%. For more details on August weather, you can visit Bogazici weather in August.
In September, temperatures are warm, with a minimum of 11°C (52°F), an average of 25°C (78°F), and a peak reaching 39°C (103°F). The month experiences minimal precipitation, totaling just 10 mm (0.4 in) over a single day, and humidity sits at around 70%. In contrast, October brings a notable drop in temperature, with a minimum of 3°C (38°F) and an average of 19°C (67°F), while the maximum temperature reaches 36°C (96°F). This month also sees increased precipitation at 59 mm (2.3 in) spread over five days, alongside slightly higher humidity at 76%. For more detailed information, check out the Bogazici weather in October.
September and November present strikingly different weather patterns. In September, temperatures range from a comfortable minimum of 11°C (52°F) to a blazing maximum of 39°C (103°F), with an average of 25°C (78°F). The month is generally dry, receiving only 10 mm (0.4 in) of precipitation over just a day, keeping humidity at a moderate 70%. In contrast, November ushers in much cooler temperatures, with a minimum of 1°C (34°F), an average of 14°C (58°F), and a maximum of 29°C (85°F). This month experiences significantly more rainfall, totaling 78 mm (3.1 in) over approximately seven days, while humidity rises slightly to 77%. For more details on this shift in climate, you can check the Bogazici weather in November.
September and December present contrasting weather conditions. In September, temperatures range from a mild 11°C (52°F) at night to a scorching average high of 39°C (103°F), accompanied by low precipitation of just 10 mm (0.4 in) over a single day, leading to a relative humidity of 70%. In stark contrast, December experiences much cooler temperatures, dipping to a minimum of -4°C (24°F) and averaging around 10°C (51°F), with maximum highs of 21°C (69°F). Additionally, December brings significantly more rainfall, totaling 126 mm (5.0 in) across 13 days, and a higher humidity level of 78%. For further insights on December weather, you can refer to this link: Bogazici weather in December.
As September arrives in Bogazici, the weather showcases a notable transition from the sweltering summer months to a more moderate climate. With an average temperature that leans towards a pleasant 25°C (78°F), the days are still warm but not excessively hot, making outdoor activities enjoyable. The humidity remains relatively high, creating a comfortable atmosphere despite minimal precipitation, as it only rains on about one day of the month. This shift to milder temperatures and crisp evenings marks the beginning of autumn, making September a unique time to experience the beauty of Bogazici. For a deeper understanding of seasonal patterns, explore more about Bogazici Climate.