Last updated: August 27, 2025
Ortakoy, Turkey, in September offers a dynamic blend of weather that caters to various outdoor enthusiasts. The month showcases maximum temperatures soaring to 34°C (94°F), making it a warm time for sun seekers, while the average temperature rests comfortably at 17°C (63°F), perfect for moderate daytime activities. Nighttime can get surprisingly cooler, with lows dipping to 1°C (34°F). Rain is relatively minimal, with only 19 mm (0.7 in) of precipitation over approximately 3 days, ensuring that most of the month remains dry. With 49% humidity, visitors can expect a pleasant ambiance, balancing warmth with refreshing breezes, ideal for exploring this picturesque coastal destination.
September in Ortakoy, Turkey marks a transition from the sweltering summer to the cooler whispers of autumn. As temperatures begin to shift, the minimum dips to a crisp 1°C (34°F), while the average rests comfortably at a mild 17°C (63°F). Daytime highs can still reach a warm 34°C (94°F), especially in the early part of the month, allowing for pleasant outdoor activities. This month serves as a beautiful blend of warmth lingering from summer and the onset of cooler days, creating an ideal atmosphere for enjoying the vibrant scenery and cultural experiences that Ortakoy has to offer. With the sun casting a golden hue over the stunning Bosphorus, September is a delightful time to explore this enchanting area.
In September, Ortakoy, Turkey, experiences a noticeable shift in precipitation as the summer months give way to autumn. With 19 mm (0.7 in) of rainfall spread over just 3 days, this month marks a slight uptick from the parched summer, yet remains relatively low compared to earlier months like May. As the year progresses, September’s precipitation is just a precursor to the wetter autumn months ahead, where rain begins to gradually increase again in October and November. This pattern underscores the region's transition, highlighting a sustained dry spell throughout the summer, punctuated by refreshing rains that signal the arrival of a new season.
In Ortakoy, Turkey, the humidity levels demonstrate a notable seasonal trend throughout the year. Starting off with a high of 87% in both January and February, the air remains quite moist in early spring, gradually decreasing to 71% by April. As summer approaches, humidity drops significantly, reaching a low of 39% in August, creating a comfortable atmosphere for outdoor activities. By September, humidity begins to rise again but remains relatively low at 49%. This slight uptick heralds the return of moisture as autumn sets in, with levels climbing to 69% in October before soaring back to 82% in November and returning to the winter highs of 87% by December. This cyclical pattern underscores Ortakoy’s transition from a dry summer to a humid autumn and winter, influencing both the climate and lifestyle of its residents.
As summer transitions to autumn in Ortakoy, Turkey, the UV Index begins to decline but remains notably high in September, with a value of 9 categorized as very high. This indicates a strong need for sun protection, particularly since the corresponding burn time is just 15 minutes. August, too, had reached an extreme UV Index of 11, showing a trend of elevated sun exposure during the peak summer months. While the intensity tapers off in October to a more moderate 7, it’s essential for residents and visitors to remain vigilant throughout September, as sun safety continues to be crucial. For more detailed information, check out the Ortakoy UV Index.
UV Risk Categories
As summer gracefully transitions into autumn, September in Ortakoy, Turkey, shines with an impressive 346 hours of sunlight. This marks a decline from the peak of 425 hours in July, but the warmth of summer still lingers, allowing for plenty of sun-kissed days. After basking in the intense rays throughout June and July, the sunshine in September gently softens, surpassing the slightly lower totals of October and November. This delightful weather keeps outdoor activities vibrant and the picturesque seaside lively, making September a perfect time to experience the beauty of Ortakoy as summer bids adieu.
In Ortakoy, Turkey, September boasts a 68% chance of sunny weather, making it one of the more favorable months for sun-seekers. As summer transitions into autumn, the likelihood of clear skies starts to taper slightly from the high peaks of July and August, which enjoy a sun-drenched 76% and 71% respectively. This trend reflects a broader seasonal pattern where the chances of sunny days generally increase during the summer months, peaking mid-year before gradually cooling down towards fall. Thus, September offers a delightful balance, allowing visitors to enjoy the lingering warmth of summer while still dodging the height of the tourist rush. It’s a great time to explore the beautiful landscapes and vibrant culture of the region under a golden sun.
In Ortakoy, Turkey, the transition of daylight throughout the year reflects the rhythm of the seasons. Starting with a modest 9 hours in January, daylight gradually increases, peaking at a delightful 14 hours in both June and July, inviting longer outdoor adventures. As summer gently fades, August brings a slight reduction to 13 hours, signaling the impending change. By September, daylight decreases further to 12 hours, hinting at autumn's arrival, before slipping back to 11 hours in October. This natural ebb and flow of daylight creates a captivating cycle, allowing residents and visitors to experience the beauty of each season while enjoying ample sunlight in the warmer months.
As September rolls into Ortakoy, Turkey, the gentle caress of the wind begins to mirror the calming transition of seasons. With an average speed of 2.4 m/s (5 mph), the breeze is reminiscent of the summer’s warmth, but hints at the approaching autumn. Notably, this month aligns with a slight dip in wind speed compared to peak summer months like July (3.1 m/s) and April (3.2 m/s), yet it maintains a consistency that prevails from earlier in the year. The gradual decline from July to September showcases a natural ebb, inviting locals and visitors alike to enjoy the serene charm of Ortakoy's waterfront as the scenery transitions into a tapestry of autumn hues.
Weather in Ortakoy varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ortakoy, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather showcases a warm transition into fall, with temperatures ranging from a pleasant 1°C (34°F) at night to a hot 34°C (94°F) during the day. The average temperature rests at a comfortable 17°C (63°F), accompanied by relatively low precipitation of 19 mm (0.7 in) over just three days and a humidity level of 49%. In stark contrast, January brings significantly colder conditions, with temperatures plummeting to a minimum of -19°C (-3°F) and an average of -3°C (26°F), peaking at a milder 16°C (61°F). This winter month sees increased precipitation of 53 mm (2.1 in) over nine days, as well as higher humidity levels at 87%. For detailed insights about January weather, visit Ortakoy weather in January.
September and February present stark contrasts in weather. In September, temperatures can range from a cool 1°C (34°F) at night to a warm 34°C (94°F) during the day, with an average of 17°C (63°F) and relatively low humidity at 49%. Rainfall is minimal, occurring on only three days with a total precipitation of 19 mm (0.7 in). In contrast, February brings much colder temperatures, with lows plunging to -21°C (-6°F) and highs only reaching 11°C (53°F). The average temperature is a frigid -2°C (29°F), accompanied by higher humidity levels at 87%, and a greater chance of precipitation, totaling 44 mm (1.7 in) over seven days. For more detailed insights, check Ortakoy weather in February.
When comparing the weather in September and March, the differences are striking. September experiences much milder conditions, with temperatures ranging from a chilly 1°C (34°F) at night to as high as 34°C (94°F) during the day, and a relatively low average precipitation of 19 mm (0.7 in) over just 3 days, coupled with moderate humidity at 49%. In contrast, March is significantly colder, with temperatures dipping to -15°C (5°F) at night and averaging only 2°C (36°F) during the day. The month also sees more precipitation, totaling 75 mm (2.9 in) across 14 days, and higher humidity levels at 83%. For those interested in specific weather patterns, more details can be found at Ortakoy weather in March.
In September, the weather tends to be warmer, with average temperatures reaching 17°C (63°F) and highs peaking at 34°C (94°F). The month experiences relatively low precipitation, totaling just 19 mm (0.7 in) over about 3 days, and the humidity stands at 49%. In contrast, April brings cooler temperatures, with an average of 8°C (47°F) and maximums reaching 24°C (76°F). This month is much wetter, with 60 mm (2.4 in) of rainfall spread across approximately 12 days, and higher humidity at 71%. For a detailed overview of April's climate, you can visit Ortakoy weather in April.
September and May present contrasting weather patterns. In September, temperatures range from a chilly 1°C (34°F) at night to a warm 34°C (94°F) during the day, with an average of 17°C (63°F). The month typically sees less precipitation, averaging only 19 mm (0.7 in) over just three days, and humidity levels hover around 49%. In contrast, May experiences cooler nights, with a minimum temperature of -3°C (27°F) and an overall average of 13°C (55°F). Daytime highs reach up to 29°C (84°F), but the month is marked by significantly more rainfall, totaling 84 mm (3.3 in) over 16 days, and higher humidity at 72%. For a more detailed look at May's weather, check out Ortakoy weather in May.
When comparing the weather in September to that of June, notable differences emerge. September typically enjoys a broader temperature range, with minimums dropping to 1°C (34°F) and maximums reaching up to 34°C (94°F). In contrast, June boasts slightly warmer minimums and maximums, spanning from 3°C (38°F) to 30°C (86°F). Additionally, September experiences significantly less precipitation, averaging only 19 mm (0.7 in) over about 3 days, compared to June's 61 mm (2.4 in) across 12 days. Humidity levels also tend to be lower in September at 49%, while June sees a higher average of 64%. For more detailed information on June's climate, you can visit Ortakoy weather in June.
In comparing the weather between July and September, we see notable differences in temperature and precipitation. July tends to be warmer overall, with average temperatures around 20°C (68°F) and maximums reaching up to 36°C (97°F), whereas September experiences a wider range, with minimums dropping to 1°C (34°F) and maximums peaking at 34°C (94°F). Precipitation levels are slightly higher in September at 19 mm (0.7 in) over three days, compared to July's 9 mm (0.4 in) over just two days. Overall, while both months display relatively similar humidity levels, September's cooler temperatures and increased rainfall set it apart from the hotter and drier conditions of July. For a more detailed view of July weather, you can check Ortakoy weather in July.
In comparing the weather between September and August, we find some notable differences. September experiences a broader temperature range, with minimums dropping to 1°C (34°F) and maximums reaching up to 34°C (94°F), while August sees milder conditions, with minimums at 7°C (45°F) and highs peaking at 35°C (95°F). Both months receive similar precipitation, with September recording 19 mm (0.7 in) and August slightly less at 14 mm (0.6 in), although each month averages rainfall on three days. Humidity levels are also higher in September at 49%, compared to 39% in August. For more detailed insights, you can explore the Ortakoy weather in August.
September experiences a wide temperature range, with average highs reaching 34°C (94°F) and a pleasant average of 17°C (63°F). The month is relatively dry, recording only 19 mm (0.7 in) of precipitation over just three days, accompanied by a moderate humidity level of 49%. In contrast, October sees a notable drop in temperatures, with averages around 12°C (53°F), and max temperatures reaching a milder 27°C (80°F). Precipitation increases to 30 mm (1.2 in) spread over six days, and humidity also rises to 69%, making October feel cooler and wetter than September. For more specific details on October weather in Ortakoy, you can check Ortakoy weather in October.
In September, the weather is generally warm, with temperatures ranging from a brisk 1°C (34°F) in the early morning to a high of 34°C (94°F) during the day, averaging around 17°C (63°F). The month experiences relatively low precipitation, totaling only 19 mm (0.7 in) over about three days, and humidity stands at a comfortable 49%. In stark contrast, November brings a significant chill, with temperatures dipping as low as -11°C (13°F) and an average of just 5°C (41°F), reaching a maximum of 19°C (66°F). The month sees increased precipitation at 35 mm (1.4 in) spread over six days, contributing to much higher humidity levels of 82%. For a detailed look at November's weather specifically, you can check Ortakoy weather in November.
September and December present stark contrasts in weather patterns. In September, temperatures range from a chilly minimum of 1°C (34°F) to a warm maximum of 34°C (94°F), with an average of 17°C (63°F). The month experiences relatively low precipitation, totaling just 19 mm (0.7 in) over three days and a comfortable humidity level of 49%. In contrast, December is significantly colder, with temperatures plummeting to a minimum of -17°C (1°F) and averaging around 0°C (33°F), peaking at 17°C (62°F). Precipitation increases as well, with totals reaching 63 mm (2.5 in) across ten days and humidity soaring to 87%. This dramatic shift in weather highlights the transition from early fall to winter. For more specifics on December conditions, you can check Ortakoy weather in December.
As September wraps up summer, Ortakoy experiences a delightful transition in weather. With temperatures ranging from pleasant highs to cooler nights, this month offers a wonderful shift from the heat, making it perfect for outdoor activities. While the average temperature settles comfortably around 17°C, the occasional peak at 34°C reminds visitors of summer's lingering warmth. The month sees minimal precipitation, hinting at clear skies, yet a few rainy days keep the landscape refreshed. Overall, September strikes a charming balance with its comfortable humidity levels, providing a unique experience compared to the sweltering heat of July and August. For more insights into Ortakoy's climate, explore Ortakoy Climate.