Last updated: August 27, 2025
In Gemlik, Turkey, the weather in September presents a dynamic mix of warmth and occasional rainfall. The maximum temperature can reach a sweltering 36°C (98°F), while the average temperature settles around a pleasant 21°C (71°F), offering a comfortable climate for both locals and visitors. The atmosphere can be quite refreshing, with minimum temperatures dropping to 9°C (49°F). Although the month experiences 37 mm (1.5 in) of precipitation over six days, the overall humidity hovers at 60%, creating a mild and inviting environment. Whether you're exploring the coastline or enjoying the local culture, September in Gemlik promises a blend of sunny days and gentle showers.
As September unfolds in Gemlik, Turkey, temperatures reflect a delightful transition that signals the close of summer's heat. With minimums dipping to 9°C (49°F) and an average around 21°C (71°F), the days remain pleasantly warm, yet offer a refreshing reprieve from the sweltering highs of July and August, where maximums often reach up to 36°C (98°F). This month beautifully balances the lingering warmth of summer with the crispness of autumn, making it an ideal time for outdoor activities. As the air cools in the evenings, the inviting climate creates the perfect backdrop for enjoying the picturesque coastal scenery of the region. Overall, September is a charming blend of warmth and coolness, a satisfying conclusion to a vibrant summer.
In September, Gemlik experiences a notable transition in its weather, marked by 37 mm (1.5 in) of precipitation over about 6 days. This amount, while modest compared to the wetter months earlier in the year, indicates a gradual shift from the dry summer. Following August's near drought conditions with just 21 mm (0.8 in) of rain, September brings a refreshing increase, suggesting the onset of autumnal weather patterns. The precipitation levels are still significantly lower than in the peak winter months, but the combination of cooler temperatures and the increasing rainfall sets the stage for a lush fall season. As the year progresses, Gemlik can expect its wetter months, particularly December, which typically sees the highest levels of rainfall.
As summer gives way to autumn, September in Gemlik, Turkey marks a notable shift in humidity levels. Often characterized by the receding warmth, the humidity dips to 60%, providing a more comfortable atmosphere compared to the sweltering heat of July and August, which boast 63% and 55%, respectively. This slight increase in moisture from the summer months can lead to a refreshing change, hinting at the coming cooler temperatures. Following September, the humidity begins to rise again, peaking at 82% in November and 85% in December, as the region transitions into the winter months. Overall, September acts as a bridge between the dry heat of summer and the wetter conditions of fall, making it a unique and pleasant time to experience the lovely coastal town of Gemlik.
As summer draws to a close in September, Gemlik, Turkey, experiences a notable decline in UV intensity, with the UV Index dropping to 8, categorizing it as very high. This suggests that outdoor enthusiasts should still exercise caution, as the burn time remains a brief 15 minutes. The month follows a peak summer period where the UV Index reached a consistent 10, highlighting the intensity of sunlight across the summer months. As the year progresses into October, a further decrease to a 6 indicates a shift towards lower UV levels; however, it's essential to remain vigilant, particularly during the sunny days of September. For more insights on UV exposure throughout the year, check out Gemlik UV Index.
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As summer gently transitions into autumn, September shines brightly in Gemlik, Turkey, boasting an impressive 345 sunshine hours. This month captures the lingering warmth of summer, maintaining a vibrant sunlit atmosphere despite the gradual decrease in daylight. Following July's peak of 427 hours, September marks a noteworthy decline, yet still offers a rich tapestry of sunlight—far more than the cooler months of October and November. This trend illustrates the Mediterranean climate's allure, where each sunset serves as a reminder of the fading summer days, inviting locals and visitors alike to relish the last golden rays before autumn fully takes hold. With a blend of warmth and tranquility, September in Gemlik is not just a month; it's a celebration of bright days and clear skies.
As September rolls around in Gemlik, Turkey, the likelihood of sun remains a significant 59%, marking a transition from the peak summer months. After enjoying peak sunshine hours in July and August—when the chances soar to 77% and 83%—this fall month still offers a healthy balance of clear skies and warm temperatures. Compared to earlier months like April and May, which hover around 39% and 58%, September provides a more favorable forecast for sun-seekers. Though the sun's presence diminishes slightly as autumn approaches, it still shines brightly enough to keep outdoor activities enjoyable, making it a delightful time to embrace the lingering summer vibes.
In September, Gemlik, Turkey, experiences a delightful 12 hours of daylight, marking a gentle transition as summer fades into autumn. This shift comes after a peak of 15 hours in June, showcasing the region's long, sun-soaked days. Throughout the summer months, daylight enthusiasts basked in the warmth of lengthy evenings, but as the year progresses, a gradual decline becomes evident. Following September, daylight hours decrease further to 11 hours in October, and drop again to 9 hours by November and December. This descending pattern not only highlights the changing seasons but also invites a cozy ambiance as Gemlik embraces the beauty of autumn.
As summer transitions to autumn, September in Gemlik, Turkey, welcomes a noticeable shift in wind patterns. With an average wind speed of 2.6 m/s (6 mph), September stands out as a month of increasing breeziness, marking a departure from the milder winds of the preceding months. This uptick is particularly refreshing after the calmer summer months, where wind speeds dipped to as low as 1.7 m/s (4 mph) in June. Following the typical summer lull, the wind begins to pick up again, paving the way for a more invigorating atmosphere. It's a delightful reminder of nature's rhythm, as the soft whispers of early autumn breeze through the charming coastal town.
Weather in Gemlik varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Gemlik, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather. In September, temperatures fluctuate from a comfortable 9°C (49°F) at night to a scorching high of 36°C (98°F) during the day, accompanied by relatively low precipitation of 37 mm (1.5 in) over just six days. This month enjoys a moderate humidity level of 60%, making it pleasant for outdoor activities. Conversely, January ushers in much colder conditions, with temperatures dipping as low as -8°C (18°F) and peaking at a mild 20°C (68°F). Rainfall is more frequent, totaling 102 mm (4.0 in) over 12 days, and the higher humidity of 84% can make the cold feel even more penetrating. For more detailed insights, check out Gemlik weather in January.
September and February present stark contrasts in weather patterns. In September, temperatures range from a mild 9°C (49°F) at night to a hot 36°C (98°F) during the day, making it a warm month with an average temperature of 21°C (71°F). With only 37 mm (1.5 in) of precipitation over just six days, humidity is a moderate 60%. In contrast, February is much colder, with temperatures dipping as low as -7°C (20°F) and only reaching a maximum of 23°C (73°F). The average temperature sits at a chilly 7°C (45°F), and the month sees a higher total precipitation of 71 mm (2.8 in) across 12 days, accompanied by increased humidity at 84%. For a more detailed look at February weather, check out Gemlik weather in February.
September and March present contrasting weather conditions. September boasts warmer temperatures, with averages around 21°C (71°F) and maximums reaching up to 36°C (98°F), while March features much cooler temperatures, averaging only 8°C (47°F) and peaking at 23°C (74°F). Additionally, March experiences higher humidity levels (83%) and significantly more precipitation (96 mm or 3.8 in over 13 days) compared to September's 37 mm (1.5 in over 6 days). For a more detailed look at weather patterns, check out Gemlik weather in March.
September and April exhibit distinct weather patterns that reflect the transition from summer to autumn and from winter to spring, respectively. In September, temperatures can reach a high of 36°C (98°F), with an average of 21°C (71°F) and relatively low humidity at 60%. Conversely, April experiences cooler conditions, with maximum temperatures reaching 27°C (81°F) and an average of only 12°C (54°F). Furthermore, precipitation is more frequent in April, totaling 57 mm (2.3 in) over 9 days compared to September’s 37 mm (1.5 in) over just 6 days. For more detailed insights into the April weather, you can visit Gemlik weather in April.
When comparing the weather in September and May, several differences stand out. September sees a wider temperature range, with minimums of 9°C (49°F) and highs reaching 36°C (98°F), resulting in an average of 21°C (71°F). In contrast, May has a slightly cooler average temperature of 18°C (64°F), with a minimum of 6°C (43°F) and a maximum of 32°C (90°F). Additionally, September experiences less precipitation, totaling 37 mm (1.5 in) over about 6 rainy days, while May is wetter, receiving 66 mm (2.6 in) across approximately 10 days. Humidity levels are also higher in May at 77%, compared to 60% in September. For more detailed insights on May weather, check out Gemlik weather in May.
In comparing the weather of September and June, we see some notable differences. September features a broader temperature range, with minimums as low as 9°C (49°F) and maximums reaching up to 36°C (98°F), while June stays slightly warmer, with temperatures ranging from a low of 11°C (52°F) to a high of 33°C (91°F). Precipitation is higher in June, averaging 68 mm (2.7 in) over about 10 days compared to September's 37 mm (1.5 in) across 6 days. Additionally, humidity levels are higher in June at 70%, versus September's 60%. For more detailed insights, check out Gemlik weather in June.
In comparing the weather between September and July, we see some notable differences and similarities. September experiences a wider range in temperatures, with a minimum of 9°C (49°F), while July starts at a higher minimum of 15°C (59°F). Both months share the same maximum temperature of 36°C (97°F), making them equally warm at their peak. The average temperature in September is slightly lower at 21°C (71°F) compared to July's 24°C (76°F). Precipitation levels are fairly similar, with September receiving 37 mm (1.5 in) and July slightly higher at 39 mm (1.5 in), both occurring over six days. Additionally, humidity remains comparable, at 60% in September and 63% in July. For a more detailed look at July weather specifically, you can check Gemlik weather in July.
In September, temperatures in Gemlik begin to cool slightly compared to August, with a minimum low of 9°C (49°F) and an average of 21°C (71°F), while August maintains a warmer minimum of 15°C (60°F) and a higher average temperature of 25°C (77°F). Both months experience a maximum temperature of 36°C (96°F in August, 98°F in September), but September sees an increase in rainfall, with 37 mm (1.5 in) over 6 days compared to just 21 mm (0.8 in) over 2 days in August. Additionally, humidity levels are slightly higher in September at 60%, compared to 55% in August. For more details, check out Gemlik weather in August.
In September, the weather features a milder temperature range with a minimum of 9°C (49°F) and an average high of 36°C (98°F), resulting in an average temperature of 21°C (71°F). Precipitation is relatively low, totaling 37 mm (1.5 in) over six days, with humidity at 60%. In contrast, October sees a drop in temperatures, with a minimum of 6°C (43°F) and an average high of 33°C (92°F), bringing the average down to 17°C (62°F). This month also experiences increased rainfall, totaling 61 mm (2.4 in) over seven days, along with higher humidity at 73%. For more detailed insights, you can check Gemlik weather in October.
September and November present contrasting weather patterns. In September, temperatures are much warmer, with a minimum of 9°C (49°F) and a maximum reaching up to 36°C (98°F), accompanied by an average of 21°C (71°F). The month sees relatively low precipitation at 37 mm (1.5 in) over just 6 days, and humidity levels are moderate at 60%. In contrast, November brings cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 26°C (78°F), resulting in an average of 12°C (54°F). This month experiences higher precipitation at 61 mm (2.4 in) over 9 days, coupled with increased humidity at 82%. For a more detailed look at the weather in November, you can check Gemlik weather in November.
September and December exhibit striking differences in weather patterns. In September, temperatures range from a refreshing 9°C at night to a sizzling 36°C during the day, with an average of 21°C. The month sees relatively low precipitation at 37 mm over just 6 days and a humidity level of 60%. In contrast, December brings a much cooler climate, with temperatures dipping down to -3°C at night, averaging around 8°C, and reaching a maximum of 20°C. Precipitation increases significantly to 122 mm, observed over 14 days, with humidity rising to 85%. For more specifics on December conditions, you can check Gemlik weather in December.
As summer begins to wane, September in Gemlik offers a delightful transition with mild temperatures and a refreshing atmosphere. While the maximum heat can soar up to 36°C, the average temperature settles around a comfortable 21°C, allowing for pleasant outdoor activities. This month experiences a slight increase in precipitation, with around 37 mm spread over just six days, adding a touch of moisture to the air, which holds an average humidity of 60%. Compared to the scorching peaks of July and August, September provides a more temperate climate, making it an ideal time for both locals and visitors to enjoy the beautiful coastal scenery. For more details on the climate throughout the year, visit Gemlik Climate.