September Weather in Kusadasi, Turkey

Last updated: August 27, 2025

September in Kusadasi, Turkey welcomes visitors with warm and inviting weather. With maximum temperatures reaching up to 36°C (97°F) and an average settling around 25°C (77°F), sunshine dominates the landscape. The minimum temperature dips to a comfortable 15°C (59°F), perfect for evening strolls. Travelers can expect a mere 7 mm (0.3 in) of rain over just 1 day, making it an ideal time for outdoor activities. With the humidity sitting at 70%, the warmth is balanced, creating a delightful atmosphere for leisure and exploration along the stunning Aegean coast.

September Temperature in Kusadasi

As summer fades into fall, Kusadasi experiences a delightful transition in September. With minimum temperatures around 15°C (59°F), the evenings remain comfortably mild, while the average temperature rises to a pleasant 25°C (77°F). Days can still feel quite warm, peaking at 36°C (97°F), making it ideal for beach lovers and sun seekers. This month strikes a harmonious balance, retaining the warmth of summer while hinting at the cooler autumn days ahead. Overall, September is an excellent time to visit, as the weather encourages outdoor adventures, from exploring historical sites to relaxing by the azure Aegean Sea.

September Weather in Kusadasi: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Kusadasi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kusadasi, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec505355616976828377696154
Data source: Temperature data for Kusadasi generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Kusadasi

September in Kusadasi, Turkey, marks a subtle shift in the weather as the summer heat begins to wane. With only 7 mm (0.3 in) of precipitation recorded over just one day, this month experiences one of the lowest rainfall levels of the year. Following a nearly rainless August, September maintains the trend of minimal precipitation typical for the region's summer months. As temperatures gradually cool, this limited rainfall serves as a gentle precursor to the wetter fall season, inviting both locals and tourists to enjoy the last sun-drenched days before autumn arrives.

September Precipitation Trends in Kusadasi

The chart displays monthly precipitation patterns in Kusadasi, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Kusadasi, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec17786874321132177595167
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kusadasi

As summer transitions to autumn, September in Kusadasi, Turkey, experiences a moderate drop in humidity levels, with an average of 70%. This marks a shift from the peak summer months, where humidity reaches its lowest in August at 66%. The patterns throughout the year reveal a notable consistency, with the highest humidity peaking at 81% in May, while other months consistently hover around the 77% mark. This gradual decline in humidity offers a refreshing change for those enjoying the early autumn days, setting the stage for pleasant weather that encourages outdoor exploration of this beautiful coastal town.

September Average Humidity in Kusadasi

This chart illustrates the average monthly humidity levels in Kusadasi, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Kusadasi is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%77%77%81%77%72%66%70%76%77%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kusadasi

In September, Kusadasi, Turkey, continues to enjoy plenty of sunshine, boasting a UV Index of 8. This falls into the very high exposure category, meaning sun safety is crucial, with a burn time of just 15 minutes for unprotected skin. As summer winds down, the UV Index sees a slight decline from the peaks of the preceding months, yet remains a reminder of the intensity of the Mediterranean sun. It's advisable to embrace sun protection measures even as the days grow shorter. For a comprehensive understanding of UV trends throughout the year, you can explore more at Kusadasi UV Index.

Maximum UV Index Levels in Kusadasi for September

The chart shows the monthly maximum UV Index (UVI) for Kusadasi in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Kusadasi typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357891010108643
Data source: Kusadasi September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Kusadasi

As summer gradually fades, September in Kusadasi, Turkey enjoys a generous 349 hours of sunshine, making it a delightful time to visit. This month reflects the tail end of the sun-soaked season, showcasing a notable decline from the peak of 425 hours in July and 396 hours in August. However, September still outshines earlier months, holding onto a rich abundance of sunlight that invites beachgoers and sun-seekers alike. With a gradual shift towards autumn, the overall trend reveals a steady increase in daylight from the year's start, culminating in vibrant, golden days perfect for exploring coastal wonders or soaking in the local culture before the cooler months set in.

Monthly Sunshine Duration in Kusadasi: September Highlighted

The September sunshine duration represents the total number of hours Kusadasi experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec208h267h329h349h402h410h425h396h349h323h273h262h
Data source: Kusadasi September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kusadasi During September

As September rolls in, Kusadasi, Turkey offers an impressive 91% chance of sunny weather, making it a prime time for sun-seekers. Following the blazing summer months of July and August, which boast 97% and 99% sunshine respectively, this early autumn month retains a vibrant share of sunshine. Although the chance of clear skies starts to dip in the fall—particularly as October approaches with a forecasted 79% sunlight likelihood—September still stands out as a delightful blend of warmth and pleasant weather, inviting travelers to bask in the Mediterranean sun before the cooler months arrive.

Percentage of Sunny Days in September in Kusadasi

The chart illustrates the percentage of sunny days in Kusadasi throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Kusadasi experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%60%63%55%78%89%97%99%91%79%48%43%
Data source: Kusadasi September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kusadasi in September

As autumn approaches, September in Kusadasi, Turkey marks a gentle transition in daylight duration, offering about 12 hours of sunlight. This month sees a gradual decline from the sun-drenched heights of 14 hours experienced in the summer months of May, June, July, and the latter part of August. Following the vibrant summer, September introduces a softer glow, setting the stage for the cooler months ahead. The daylight hours will continue to wane, dipping to 11 hours in October, as the region prepares for the cozy embrace of fall. Overall, the shift in daylight reflects the rhythmic changes of nature, painting a beautiful tapestry of seasonal transitions.

Average Daylight Hours in Kusadasi for September

The chart illustrates the variation in daylight duration in Kusadasi throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 52m10h 47m11h 58m13h 11m14h 12m14h 43m14h 27m13h 32m12h 23m11h 10m10h 7m9h 35m
Data source: Kusadasi daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Kusadasi

As summer transitions to fall, September in Kusadasi experiences a gentle breeze with an average wind speed of 3.6 m/s (8 mph). This slight dip from the summer peak of 4.0 m/s in July reflects a gradual cooling trend, making September a pleasant time to explore the coastline. While the winds soften, they still provide enough refreshing air to enhance outdoor activities, perfect for leisurely walks along the beach or sailing on the Aegean. With the average wind speeds remaining relatively consistent throughout the year—hovering between 3.1 and 4.0 m/s—September offers a moderate balance. As autumn approaches, the transition is subtle yet inviting, allowing visitors to enjoy the last warm days before the winds calm further in October.

Average September Wind Speed in Kusadasi

The chart displays monthly wind speed patterns in Kusadasi, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.84.03.73.83.13.54.03.73.6 m/s2.83.13.9
Data source: Kusadasi September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Kusadasi Compares to Other Months

Weather in Kusadasi varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kusadasi, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present starkly contrasting weather conditions. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 36°C (97°F), leading to an average of 25°C (77°F) with only a bit of rain, measuring 7 mm (0.3 in) over just one day and a humidity level of 70%. In contrast, January experiences much cooler temperatures, with a minimum of -2°C (29°F) and an average of only 10°C (50°F), peaking at 21°C (70°F). This month is also characterized by significantly higher precipitation, totaling 177 mm (7.0 in) over 13 days and slightly higher humidity at 77%. For more details on January weather, you can visit Kusadasi weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a minimum of 15°C (59°F) to a scorching maximum of 36°C (97°F), with an average temperature around 25°C (77°F). The month is relatively dry, with only 7 mm (0.3 in) of precipitation occurring over just one day and humidity levels at 70%. In stark contrast, February experiences much cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 20°C (68°F), averaging 12°C (53°F). This month sees significantly higher precipitation, with 86 mm (3.4 in) spread over approximately 10 days, and humidity reaching 76%. For more detailed information about February's weather, you can visit Kusadasi weather in February.

In September, the weather is warm and often quite hot, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 36°C (97°F) and an average of 25°C (77°F). The month experiences minimal precipitation, averaging just 7 mm over a single day, and humidity levels are relatively high at 70%. In contrast, March presents a starkly different climate, with much cooler temperatures, from a low of -1°C (31°F) to a high of 22°C (72°F), and an average temperature of 13°C (55°F). Rainfall is considerably more frequent, totaling 87 mm across nine days, and the humidity is slightly higher at 77%. For a detailed look at what to expect during this month, check out Kusadasi weather in March.

September and April present contrasting weather conditions. In September, temperatures can range from a comfortable 15°C (59°F) at night to a scorching 36°C (97°F) during the day, with an average of 25°C (77°F). The month boasts minimal rainfall, with only about 7 mm (0.3 in) expected over just one day, and humidity sits at a relatively pleasant 70%. In stark contrast, April features much cooler temperatures, starting at a minimum of 5°C (41°F) and peaking at 29°C (84°F), with an average of 16°C (61°F). April is also considerably wetter, receiving around 43 mm (1.7 in) of rain across five days, coupled with higher humidity levels at 77%. For more details, you can check Kusadasi weather in April.

September tends to be warmer than May, with average temperatures reaching around 25°C (77°F) compared to May's 21°C (70°F). The maximum temperatures in September can soar up to 36°C (97°F), while May's highs are more moderate at 34°C (94°F). Additionally, September experiences lower humidity at 70%, in contrast to May's higher humidity levels of 81%. Precipitation is also less frequent in September, with only 7 mm (0.3 in) over just one day, whereas May sees more rain, accumulating 21 mm (0.8 in) over four days. For more specific details, you can check Kusadasi weather in May.

In comparing the weather of September and June, we see that both months have similar average temperatures, hovering around 25°C (77°F). However, September experiences slightly higher maximum temperatures, reaching up to 36°C (97°F) compared to June's 35°C (95°F). Precipitation is less frequent in September, with only 7 mm over just 1 day, while June sees more rainfall, totaling 13 mm over 3 days, contributing to higher humidity levels in June at 77% versus September’s 70%. For more specific details, you can refer to Kusadasi weather in June.

When comparing the weather in September and July, September tends to be slightly cooler, with a minimum temperature of 15°C (59°F) and an average of 25°C (77°F), while July starts at a higher minimum of 20°C (68°F) and has an average temperature of 28°C (82°F). July also experiences a maximum temperature reaching up to 38°C (101°F), compared to September's peak of 36°C (97°F). Precipitation in September is minimal at 7 mm (0.3 in) over just one day, whereas July is even drier with only 2 mm (0.1 in) and no rainy days at all. Humidity levels are relatively close, with September at 70% and July slightly higher at 71%. For more detailed insights, you can check out Kusadasi weather in July.

In September, the weather in Kusadasi features a more moderate temperature range, with minimums around 15°C (59°F) and maximums reaching up to 36°C (97°F), resulting in an average of 25°C (77°F). This month also sees less precipitation, totaling just 7 mm (0.3 in) over a single day, while humidity levels are relatively high at 70%. In contrast, August experiences warmer temperatures, with minimums at 20°C (69°F) and maximums peaking at 38°C (100°F), averaging 28°C (83°F). Notably, August has almost no rainfall, with just 1 mm (0.0 in) recorded on no days, and a slightly lower humidity at 66%. For those interested in further details, check out this link: Kusadasi weather in August.

September and October show a notable transition in weather patterns. In September, temperatures are warmer, with a minimum of 15°C (59°F) and an average high of 36°C (97°F), while October sees cooler temperatures, dropping to a minimum of 8°C (46°F) and a moderate maximum of 32°C (90°F). Additionally, September experiences very little rainfall, with only 7 mm (0.3 in) over just one day, compared to October's increased precipitation of 75 mm (2.9 in) spread over four days. Humidity remains relatively high in both months, but October is slightly higher at 76%. For a detailed look at the weather in October, you can visit Kusadasi weather in October.

September and November present markedly different weather conditions. In September, temperatures are much warmer, with a minimum of 15°C (59°F) and an average high reaching up to 36°C (97°F). The month sees minimal rainfall, totaling just 7 mm (0.3 in) over only one day, and humidity levels are around 70%. In contrast, November temperatures drop significantly, featuring a minimum of 5°C (42°F) and an average of 16°C (61°F). This month experiences considerably more precipitation, with 95 mm (3.8 in) spread over eight days and slightly higher humidity at 77%. For more details on November weather in this region, you can check out Kusadasi weather in November.

September weather is characterized by warm temperatures, with a minimum of 15°C (59°F) and an average of 25°C (77°F), reaching highs of up to 36°C (97°F). It experiences minimal precipitation, averaging only 7 mm (0.3 in) across just one day, and the humidity stands at 70%. In contrast, December brings a significant shift, with cooler temperatures that drop to a minimum of 0°C (33°F) and an average of 12°C (54°F), peaking at 21°C (70°F). This month is much wetter, with 167 mm (6.6 in) of precipitation over 14 days, and a slightly higher humidity level of 78%. For more detailed insights, you can visit Kusadasi weather in December.

Compare Kusadasi's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Kusadasi

As September arrives in Kusadasi, the weather begins to shift, offering a delightful blend of warmth and mildness compared to the sweltering summer months. With average temperatures hovering around a comfortable 25°C, visitors can revel in the pleasant sun while enjoying a significant reduction in humidity and rainfall, with only about 7 mm of precipitation expected throughout the month. This makes September an ideal time to explore the stunning coastline and rich cultural heritage of Kusadasi, all while avoiding the peak tourist crowds. For more insights on what to expect year-round, check out the detailed Kusadasi Climate.