Last updated: August 27, 2025
In September, the charming coastal town of Ayvalik, Turkey welcomes mild temperatures, with a maximum reaching 29°C (85°F) and an average of 23°C (73°F), while evenings cool down to a comfortable minimum of 15°C (59°F). This enchanting month typically features only 1 day of rain, accumulating a mere 4 mm (0.2 in) of precipitation, making it perfect for outdoor adventures. With an average humidity level of 56%, visitors can enjoy the warm sunshine and pleasant sea breeze as they explore the stunning landscapes and rich cultural heritage of the region.
As September graces Ayvalik, Turkey, the temperatures begin to show a gentle transition from the sweltering heat of summer to the milder embrace of autumn. The month opens with a pleasant minimum of 15°C (59°F), providing comfortable evenings, while daytime reveals an average temperature of 23°C (73°F), perfect for outdoor explorations. With a maximum reaching up to 29°C (85°F), visitors can still enjoy the beautiful beaches and vibrant local festivals. This favorable climate makes September a delightful time to experience the stunning landscapes and rich culture of Ayvalik, before the cooler autumn months set in.
In September, Ayvalik experiences a dramatic drop in precipitation, receiving only 4 mm (0.2 in) of rain across just one day. This marks a stark contrast to the earlier months of the year, particularly January, which sees a hefty 193 mm (7.6 in) spread over 13 days. As summer fades into autumn, the region's rain levels remain minimal, following a dry August with no recorded rainfall. However, the onset of October brings a slight increase, hinting at the wetter months ahead. The decline in precipitation from late spring through summer into early autumn showcases Ayvalik's distinctive climate, characterized by warm, dry periods transitioning into the wetter fall season.
September in Ayvalik, Turkey, marks a subtle transition as humidity levels begin to rise, recorded at 56%. Following the peak of summer when the air was driest in August at just 49%, this slight increase signals the arrival of autumn's embrace. The humidity throughout the year exhibits a distinct pattern; it starts high in the winter months, averaging over 80%, and gradually declines to its lowest in the peak summer, with July and August recording 57% and 49% respectively. As September unfolds, Ayvalik’s environment reflects the changing seasons, with humidity levels inching upward, ultimately preparing for the wetter months ahead.
As September rolls into Ayvalik, Turkey, the UV Index remains notably high at 8, categorizing the exposure as very high and reducing the safe sun exposure time to a mere 15 minutes. This pattern follows a summer of peak UV intensity where months like June, July, and August consistently hit the maximum of 10. Although there is a slight decline in September, the UV Index is still significantly elevated compared to the winter months, indicating the importance of sun safety as beachgoers and outdoor enthusiasts enjoy the early autumn sun. For more detailed information on UV trends, visit Ayvalik UV Index.
UV Risk Categories
As summer gracefully yields to autumn, September in Ayvalik, Turkey, offers a delightful balance of warmth and sunshine. With 349 hours of glorious sunlight, the month retains a vibrant glow, although slightly dimmer than the peak enjoyed in July. Visitors can revel in this picturesque setting, as the sunlight gradually softens, transitioning from the intense rays of summer to the more gentle embrace of fall. This subtle decline continues into October, yet September's charm lies in its ability to bridge the seasons, making it an ideal time to explore Ayvalik's stunning coastal views and tranquil atmosphere.
In September, Ayvalik, Turkey, enjoys a promising 83% chance of sunny weather, maintaining a high level of brightness as summer winds down. This month sees a slight dip from the sun-soaked days of August, which boasts an impressive 97% chance of sunshine, yet September remains well above average compared to the earlier months of the year. From the bleak 32% in January to the vibrant 94% in July, the trend clearly illustrates a shift towards sunnier days as the seasons progress. With such a favorable forecast, September in Ayvalik is ideal for those looking to bask in the pleasant Mediterranean sun while avoiding the peak summer crowds.
As summer transitions to autumn in Ayvalik, Turkey, September brings a gentle reduction in daylight, offering approximately 12 hours of sunshine. This marks a gradual decline from the elongated days of summer, where June, July, and August bask in 14 hours of daylight. The month serves as a bridge, as daylight hours start to wane after the peak summer months, paving the way for the shorter days of October ahead. Interestingly, while daylight diminishes, September retains a comfortable charm, allowing residents and visitors alike to savor the lingering warmth and beauty of this coastal town before the winter's approach.
As September arrives in Ayvalik, Turkey, the wind begins to pick up, boasting an average speed of 5.7 m/s (13 mph). This marks a notable shift from the calm breezes of summer, where wind speeds dipped to around 4.1 m/s (9 mph) in May and 3.7 m/s (8 mph) in June. The transition into autumn brings a gentle yet invigorating air, reminiscent of the windy days of January and November, both averaging 5.7 m/s. This consistent September gust sets the stage for the cooler months ahead, bridging the serene summer winds with the brisk autumnal breezes, perfect for strolls along the scenic coastline or indulging in outdoor activities within this charming Turkish town.
Weather in Ayvalik varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ayvalik, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather patterns. September boasts warmer temperatures, with a minimum of 15°C (59°F) and an average of 23°C (73°F), peaking at a comfortable 29°C (85°F). The month is relatively dry, experiencing only 4 mm of precipitation over just one day and maintaining a humidity level of 56%. In contrast, January brings a sweeping chill, with temperatures dipping to a minimum of -3°C (28°F) and averaging only 9°C (49°F), reaching a maximum of 18°C (65°F). This winter month is significantly wetter, receiving 193 mm of precipitation across 13 days and higher humidity at 84%. Those interested in more details about January's climate can explore Ayvalik weather in January.
September and February present strikingly different weather patterns. In September, temperatures are mild with a minimum of 15°C (59°F) and an average of 23°C (73°F), peaking at a comfortable 29°C (85°F). The month is relatively dry, with just 4 mm of precipitation over 1 day and a humidity level of 56%. In contrast, February experiences much cooler temperatures, with a minimum of 0°C (33°F) and an average of 10°C (51°F), reaching a maximum of only 17°C (63°F). It is also considerably wetter, with 113 mm of precipitation over 11 days and higher humidity at 83%. For more details about the weather in February, you can visit Ayvalik weather in February.
September and March present contrasting weather patterns. In September, temperatures are quite pleasant, ranging from a minimum of 15°C (59°F) to a maximum of 29°C (85°F), with only a slight 4 mm (0.2 in) of precipitation over just one day. The humidity level is moderate at 56%, making it a comfortable time for outdoor activities. In stark contrast, March experiences much cooler temperatures, with a minimum of 1°C (33°F) and a maximum of 18°C (65°F). The month is significantly wetter, receiving 89 mm (3.5 in) of rain across 10 days, and has a higher humidity level of 81%. For more detailed insights, you can visit Ayvalik weather in March.
In comparing the weather of September and April, a stark contrast emerges. September boasts a warmer climate, with average temperatures around 23°C (73°F) and maximums reaching up to 29°C (85°F). In contrast, April offers cooler conditions, with an average temperature of just 15°C (58°F) and a maximum of 25°C (77°F). Additionally, September experiences minimal precipitation, averaging only 4 mm (0.2 in) over just one day, while April sees considerably more rainfall, totaling 54 mm (2.1 in) across six days. Furthermore, April's humidity at 75% surpasses September's 56%, making it feel more damp and chilly. For more detailed information on April weather, you can explore Ayvalik weather in April.
In comparing the weather of September and May, September generally offers warmer temperatures with a minimum of 15°C (59°F) and an average of 23°C (73°F), peaking at 29°C (85°F). It also experiences significantly less precipitation, averaging just 4 mm (0.2 in) over 1 day, and a humidity level of 56%. In contrast, May has slightly cooler temperatures with a minimum of 12°C (54°F) and an average of 19°C (67°F), also reaching a maximum of 29°C (84°F). However, it sees more rainfall, with 28 mm (1.1 in) spread over 4 days, and higher humidity at 74%. For more details on May weather, visit Ayvalik weather in May.
In comparing the weather of September and June, we find some interesting similarities and differences. Both months boast an average temperature of 23°C (73°F), but June typically sees higher maximum temperatures, reaching up to 31°C (87°F) compared to September's 29°C (85°F). June is also wetter, with around 17 mm (0.7 in) of precipitation over two days, whereas September is much drier, experiencing only 4 mm (0.2 in) of rain on just one day. Additionally, humidity is noticeably higher in June at 67%, compared to 56% in September. For more detailed information on June weather, you can check Ayvalik weather in June.
In comparing the weather between July and September, July typically enjoys warmer temperatures, with average highs reaching 31°C (88°F) compared to September's average maximum of 29°C (85°F). The minimum temperatures in July are also higher, starting at 19°C (67°F), while September begins at a cooler 15°C (59°F). Humidity levels are quite similar, hovering around 56-57%. Precipitation is minimal in both months, but July boasts completely dry conditions, whereas September sees a slight increase in rainfall, averaging 4 mm over just one day. For more specific details, you can check out the Ayvalik weather in July.
September weather in Ayvalik is generally milder compared to August, with lower minimum and average temperatures, ranging from a minimum of 15°C (59°F) to a maximum of 29°C (85°F). In contrast, August experiences warmer temperatures, with a minimum of 20°C (68°F) and a maximum of 31°C (88°F). Furthermore, September sees a slight increase in humidity at 56%, while August maintains a lower humidity level of 49%. Notably, September also introduces a hint of precipitation, with 4 mm recorded over just one day, whereas August remains completely dry with no rainfall. For a deeper look at August weather in Ayvalik, you can visit Ayvalik weather in August.
September boasts a warmer climate with average temperatures resting at 23°C (73°F), while October sees a notable drop to an average of 19°C (66°F). Although both months enjoy relatively warm maximum temperatures, September's peak can reach 29°C (85°F) compared to October's 28°C (83°F). However, October brings significantly more rainfall, with 57 mm (2.2 in) over five days, contrasting sharply with September's minimal 4 mm (0.2 in) across just one day. Additionally, humidity levels increase in October to 74%, highlighting a shift towards a more humid atmosphere. For a detailed look at the weather patterns in October, check out Ayvalik weather in October.
September and November present contrasting weather conditions. In September, temperatures range from a comfortable minimum of 15°C (59°F) to a maximum of 29°C (85°F), with an average of 23°C (73°F). The month is relatively dry, experiencing only 4 mm (0.2 in) of precipitation over just 1 day, and humidity levels are moderate at 56%. In stark contrast, November brings cooler temperatures, with a minimum of 8°C (47°F) and an average of 15°C (60°F), peaking at 22°C (72°F). This month is also much wetter, receiving 93 mm (3.7 in) of rain over 8 days, and humidity rises significantly to 82%. For more information, you can check out Ayvalik weather in November.
September weather in Ayvalik is typically mild and pleasant, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 29°C (85°F) and an average temperature of 23°C (73°F). Precipitation is low, with only 4 mm (0.2 in) occurring over just one day, and the humidity is a comfortable 56%. In contrast, December brings a significant drop in temperatures, with lows around 4°C (40°F), an average of 12°C (54°F), and highs reaching 19°C (66°F). The month is considerably wetter, accumulating 200 mm (7.9 in) of precipitation over 16 days, and humidity rises to 85%. For more detailed information on the winter climate, check out Ayvalik weather in December.
As summer gradually gives way to autumn, September in Ayvalik offers a delightful transition with its warm temperatures and pleasantly low humidity. Unlike the sweltering heat of July and August, this month boasts a refreshing breeze, presenting the perfect climate for outdoor activities and exploration. With minimal precipitation, just a hint of rain on one day, visitors can enjoy mostly clear skies and comfortable evenings. Whether you’re strolling along the picturesque coastline or savoring local cuisine, September's weather creates an inviting atmosphere that is a perfect blend of summer's warmth and the early whispers of fall. For more detailed insights on the seasonal variations, check out Ayvalik Climate.