Last updated: August 27, 2025
September in Sapanca, Turkey presents a dynamic weather profile, with temperatures ranging from a pleasant 7°C (45°F) at night to a scorching 38°C (101°F) during the day, averaging around 20°C (68°F). This transitional month experiences 50 mm (2.0 in) of rainfall spread over 8 days, contributing to an overall humidity level of 61%. As summer gently fades, visitors can enjoy warm days and cooler evenings, making it an ideal time for outdoor activities amidst the stunning natural beauty of the region.
In September, Sapanca experiences a delightful transition into autumn, with temperatures showcasing a pleasant range. The month kicks off with a comfortable minimum of 7°C (45°F), rising to an average of 20°C (68°F) during the day, offering a mild reprieve from the summer heat. As the month progresses, it can peak at a scorching 38°C (101°F), hinting at the lingering warmth of summer. This notable temperature variation not only makes September a prime time for outdoor activities but also allows visitors to relish in the stunning natural beauty of the region as foliage begins to shift. With such inviting conditions, Sapanca in September is perfect for those seeking a harmonious blend of warmth and the early whispers of autumn.
In September, Sapanca, Turkey experiences a notable shift in precipitation, receiving 50 mm (2.0 in) of rain over 8 days. This marks a slight increase from the dry August, where the region recorded just 29 mm (1.1 in) across 5 days. The transition into fall is evident, as September's rainfall paves the way for the wetter months ahead. Historically, this month sees less precipitation than the peak summer months, but still maintains a snug balance as nature prepares for the harsher winter. The trend clearly underscores a gradual ascent leading to the rainy season, with the precipitation figures hinting at the lush landscapes Sapanca is renowned for.
As summer transitions into autumn, September in Sapanca, Turkey offers a modest rise in humidity to 61%, following a noteworthy decline from the sultry highs of 53% in August. This shift marks a distinct trend, where the peak summer months witness a significant drop in humidity, reaching a low of 62% in July, before gradually climbing again as the cooler months approach. The autumn months of October and November subsequently see an increase, reflecting a return to the more humid conditions characteristic of Sapanca's winter. With these transformations, September serves as a pivotal bridge, merging the warmth of summer with the impending chill of fall while maintaining a pleasant humidity level that contributes to the region's enchanting landscape.
As summer gives way to autumn, the UV Index in Sapanca, Turkey begins to shift, reflecting the changing seasons. In September, the UV Index rests at 7, categorized as high, which means that while the risk of harm from unprotected sun exposure is still significant, it is more manageable compared to the peak summer months. With a burn time of approximately 25 minutes, it's essential to take precautions, especially during midday hours. This gradual decline follows a summer of intense sun, where values reached a high of 10 in both June and July. The trend indicates a welcome easing of UV intensity as visitors can still enjoy outdoor activities, albeit with a bit more care. For those planning to soak in the sunshine, staying informed about the UV Index is key. Discover more about the UV conditions throughout the year by visiting Sapanca UV Index.
UV Risk Categories
As summer gently fades, September in Sapanca, Turkey offers a delightful balance of warmth and sunshine, boasting 341 hours of sun. This month, while shorter in daylight than the sun-drenched heights of July with its 414 hours, still shines brightly, signaling a smooth transition towards autumn. Notably, September maintains a robust sun exposure that outshines the earlier months of the year, only slightly dimmed from August's 393 hours. The steady decline in daylight from June's peak reveals a charming rhythm, as Sapanca beautifully shifts from the vibrant energy of summer to the serene embrace of fall, inviting visitors to bask in its golden glow just a little longer.
In September, the chance of sunny weather in Sapanca, Turkey holds steady at 45%, marking a slight dip from the summer peak experienced in August. This month transitions from the warm and vibrant days of summer, where sunshine reigns with a 66% likelihood, to the more temperate autumn days. While September does not offer the highest chances of clear skies, it still maintains a better outlook than the cooler months ahead, such as October and November, which see probabilities around 35% and 36%, respectively. Consequently, September presents a delightful opportunity for outdoor enthusiasts to enjoy the tail end of summer before the crisp autumn air takes hold.
In September, Sapanca, Turkey enjoys a delightful transition in daylight duration, providing around 12 hours of light each day. This marks a gradual decline from the sun-soaked heights of summer, where June and July basked in 15 and 14 hours, respectively. As autumn approaches, daylight diminishes steadily, following the trend of earlier months like August with 13 hours. This natural ebb and flow not only signals the change of seasons but also encourages residents and visitors alike to savor the beautiful early fall days before the longer nights of October set in. The rich interplay between light and darkness during this month transforms Sapanca, making it a captivating time to explore the picturesque landscapes.
In September, Sapanca, Turkey, experiences a delightful uptick in wind, averaging 2.1 m/s (5 mph). This marks a return to the breezy conditions reminiscent of the year's beginning and end. Interestingly, while the summer months observed relatively calm winds hovering around 1.6 to 2.0 m/s, September breathes freshness back into the air, setting the stage for a picturesque autumn. This subtle rise in wind speed also suggests a seasonal transition, where the gentle gusts bring a refreshing change from the warmth of summer, paving the way for the crisp, cooler days ahead. Overall, September stands out as a vibrant month of shifting breezes, marking a dynamic shift in Sapanca’s meteorological rhythm.
Weather in Sapanca varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sapanca, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather offers a warm average temperature of 20°C (68°F), with highs soaring up to 38°C (101°F) on particularly hot days. The month experiences relatively low precipitation of 50 mm (2.0 in) over about 8 days and has a moderate humidity level of 61%. In contrast, January brings much colder conditions, with an average temperature plummeting to 4°C (39°F), and nighttime lows dipping to -15°C (4°F). This winter month sees increased precipitation of 102 mm (4.0 in) over approximately 12 days, coupled with higher humidity at 84%. For more specific details, you can view the weather trends here: Sapanca weather in January.
September and February present strikingly different weather characteristics. In September, temperatures range from a mild 7°C (45°F) at night to a sizzling 38°C (101°F) during the day, with an average of 20°C (68°F). This month experiences relatively low precipitation of 50 mm (2.0 in) over about 8 days, accompanied by a humidity level of 61%. In contrast, February is much colder, featuring minimum temperatures that plunge to -9°C (15°F) and a maximum of 22°C (72°F), with an average of 6°C (43°F). The month sees higher precipitation at 85 mm (3.3 in) spread over 13 days and elevated humidity levels of 85%. For more specific insights on February weather, you can visit Sapanca weather in February.
In comparing the weather between September and March, it's clear that the two months present quite different climates. September generally enjoys warmer temperatures, with an average of 20°C (68°F) and highs reaching up to 38°C (101°F), while March experiences a much cooler average of 8°C (46°F) and maximums of 24°C (75°F). Precipitation is notably higher in March, totaling 102 mm (4.0 in) over 14 days, compared to September's 50 mm (2.0 in) across just 8 days. Additionally, humidity levels are higher in March at 84%, reflecting a more moisture-laden atmosphere compared to September's 61%. For a more detailed look at the conditions, check out Sapanca weather in March.
In comparing the weather between April and September, it's evident that September tends to be much warmer, with average temperatures reaching 20°C (68°F) and a maximum of 38°C (101°F). In contrast, April sees cooler conditions, with an average temperature of 12°C (53°F) and a maximum of only 27°C (81°F). While September has relatively low precipitation at 50 mm (2.0 in) over 8 days, April is wetter, receiving 80 mm (3.1 in) across 12 days. Moreover, April has higher humidity levels at 78%, compared to 61% in September, creating a more muggy atmosphere. For those interested in more detailed weather patterns, you can check out Sapanca weather in April.
In comparing the weather of September and May, we see distinct differences in temperature and precipitation. September tends to be warmer, with an average temperature of 20°C (68°F) and a maximum reaching up to 38°C (101°F), whereas May has a cooler average of 17°C (63°F) with maximum temperatures around 34°C (94°F). However, May experiences more rainfall, with 92 mm (3.6 in) spread over 13 days, compared to September's 50 mm (2.0 in) over just 8 days. Moreover, humidity levels are higher in May at 78%, compared to September's 61%. For more detailed insights, check out Sapanca weather in May.
In comparing the weather of September and June, we observe distinct differences in temperature and precipitation. September boasts a wider temperature range, with minimums of 7°C and maximums soaring to 38°C, averaging around 20°C. In contrast, June has a milder temperature profile, with minimums at 8°C and maximums reaching 32°C, resulting in a slightly higher average of 21°C. Precipitation is another notable difference; September receives about 50 mm over 8 days, while June is significantly wetter with 104 mm over 15 days. Additionally, humidity levels are higher in June at 71%, compared to September’s 61%. For more details on June weather, you can check Sapanca weather in June.
In comparing the weather between September and July, September exhibits a broader temperature range, with a minimum of 7°C (45°F) and a maximum of 38°C (101°F), leading to an average of 20°C (68°F). In contrast, July tends to be warmer overall, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 35°C (95°F) and an average of 23°C (73°F). While September sees significantly less precipitation at 50 mm (2.0 in) over 8 days, compared to July's 67 mm (2.6 in) across the same number of days, both months have similar humidity levels around 61-62%. For a more detailed understanding of July's weather, you can review Sapanca weather in July.
In comparison to August, September experiences a wider temperature range, with minimums dipping to 7°C (45°F) and maximums reaching up to 38°C (101°F), while the average temperature is slightly lower at 20°C (68°F) compared to August's 23°C (74°F). The overall humidity rises in September to 61%, higher than August's 53%. Additionally, September sees increased precipitation, with 50 mm (2.0 in) over 8 days, compared to August's 29 mm (1.1 in) over just 5 days. For further details on August weather in Sapanca, you can visit Sapanca weather in August.
September typically enjoys warmer temperatures, with an average of 20°C (68°F) and a maximum reaching up to 38°C (101°F), while October sees a noticeable drop in temperatures, averaging 15°C (60°F) and peaking at 34°C (94°F). Additionally, October experiences increased precipitation, totaling 81 mm (3.2 in) over 10 days, compared to September's 50 mm (2.0 in) over 8 days. The humidity also rises in October to 76%, up from 61% in September, creating a damp, cooler atmosphere. For more details on the weather during this time, check out Sapanca weather in October.
In September, the weather is generally warm, with average temperatures around 20°C (68°F) and maximum highs reaching up to 38°C (101°F). Humidity levels are relatively moderate at 61%, and the month sees about 50 mm (2.0 in) of precipitation over roughly 8 days. In contrast, November brings a significant drop in temperature, with averages around 11°C (52°F) and minimums dipping to -2°C (29°F). This month also experiences higher humidity at 83% and increased precipitation at 62 mm (2.4 in), still spread across 8 days. For more detailed information, you can check Sapanca weather in November.
September and December present vastly different weather conditions. In September, temperatures range from a pleasant minimum of 7°C (45°F) to a sweltering maximum of 38°C (101°F), with an average hover of 20°C (68°F). The month typically experiences moderate rainfall with about 50 mm (2.0 in) over roughly 8 days and a relative humidity of 61%. In stark contrast, December brings a chill, with temperatures dipping to a minimum of -5°C (23°F) and an average of 7°C (45°F), peaking at 20°C (68°F). Precipitation rises significantly to 127 mm (5.0 in) spread over 16 days, accompanied by higher humidity at 85%. For more insights into the weather trends, you can check Sapanca weather in December.
As summer transitions into autumn, September in Sapanca offers a delightful change in weather. Unlike the sweltering heat of July and August, the average temperature drops to a comfortable 20°C, making outdoor activities more enjoyable without the oppressive heat. While you may encounter occasional rain, with about 8 days of precipitation totaling 50 mm, this adds to the region's lush beauty rather than detracting from it. Furthermore, the mild temperatures and moderate 61% humidity create a refreshing atmosphere, setting September apart from the higher extremes of previous months. For more insights on climate nuances, explore Sapanca Climate.