September Weather in Dalyan, Turkey

Last updated: August 27, 2025

September in Dalyan, Turkey offers a delightful blend of warm weather and low precipitation, making it an ideal time for outdoor activities. With maximum temperatures reaching up to 32°C (90°F) and an average of 25°C (78°F), visitors can enjoy the sun without overwhelming heat. The minimum temperature dips to a comfortable 17°C (63°F), perfect for cooler evenings. Rainfall is minimal, with just 6 mm (0.2 in) recorded over one day, ensuring that the skies are mostly clear. Humidity levels hover around 49%, adding to the pleasant atmosphere. Embrace the stunning landscapes and vibrant culture that Dalyan has to offer in this beautiful month.

September Temperature in Dalyan

September in Dalyan, Turkey marks a delightful transition as summer begins to wane, yet warmth lingers in the air. With minimum temperatures around 17°C (63°F) and averaging 25°C (78°F), the days are still pleasantly warm, inviting visitors to enjoy outdoor exploration and beach activities. The maximum temperature can reach a comfortable 32°C (90°F), ensuring ample sunshine for those looking to soak up the last bits of summer. Compared to the scorching heat of July and August, where temperatures soar above 35°C (96°F), September offers a more temperate climate, making it an ideal time to experience Dalyan's stunning scenery and vibrant culture without the intense summer crowds.

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

The chart illustrates September temperature patterns in Dalyan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dalyan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec515455616873808177706356
Data source: Temperature data for Dalyan 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 Dalyan

In September, Dalyan, Turkey, experiences a notable shift in its precipitation patterns, with a mere 6 mm (0.2 in) of rainfall over just one day. This aligns with the fading summer warmth, showcasing a transition towards drier conditions after the peak of summer precipitation in earlier months. The light rainfall in September is a stark contrast to the heavy downpours seen in January with 219 mm (8.6 in) and the steady increase in precipitation through the fall months, particularly in October and November. As summer retreats, this brief reprieve from rain highlights the region's climatic rhythm, setting the stage for the wetter months ahead.

September Precipitation Trends in Dalyan

The chart displays monthly precipitation patterns in Dalyan, 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 Dalyan, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec219998349282028683116210
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dalyan

As the summer heat begins to wane, September in Dalyan, Turkey, brings a refreshing shift in humidity levels. After the peak dryness of August, which recorded a low of 43%, September sees a slight increase to 49%, marking a return to more comfortable conditions. This month signals the transition towards autumn, as the humidity levels gradually rise in the following months, culminating in a more humid October at 68%. Overall, the trend in Dalyan showcases a seasonal ebb and flow, with humidity reaching its highest points during the winter months and dipping significantly in the height of summer.

September Average Humidity in Dalyan

This chart illustrates the average monthly humidity levels in Dalyan, 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 Dalyan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%80%72%73%66%52%43%49%68%78%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dalyan

As summer draws to a close, September in Dalyan, Turkey, experiences a notable shift in UV levels, with the UV Index registering an impressive 8, categorizing it as very high. This slight dip from the peak summer months still calls for caution, as the burn time remains a brisk 15 minutes. Trends show a gradual decline in UV exposure starting from the intense levels seen in June and July, yet the sun's strength in September still demands attention. Visitors should remain vigilant and protect their skin, especially since the UV Index will continue to decrease into the fall. For more details on UV levels throughout the year, check out the Dalyan UV Index.

Maximum UV Index Levels in Dalyan for September

The chart shows the monthly maximum UV Index (UVI) for Dalyan 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 Dalyan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110108743
Data source: Dalyan 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 Dalyan

As summer fades, September in Dalyan, Turkey, offers a delightful blend of warm weather and abundant sunshine, boasting 347 hours of glorious daylight. This month marks a gradual decline from the peak of 420 hours reached in July, showcasing the charming transition into autumn. With the sun still shining brightly, September serves as a perfect time for visitors to explore Dalyan’s stunning landscapes and indulge in the serene atmosphere. The slight decrease in sunshine hours from August, with its impressive 396 hours, reflects a gentle shift in the season, making September an appealing choice for those seeking a more tranquil escape without sacrificing beautiful days.

Monthly Sunshine Duration in Dalyan: September Highlighted

The September sunshine duration represents the total number of hours Dalyan 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.
JanFebMarAprMayJunJulAugSepOctNovDec210h269h333h355h400h406h420h396h347h323h276h260h
Data source: Dalyan September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dalyan During September

In Dalyan, Turkey, September is a prime month for sunshine, boasting an impressive 95% chance of sunny weather. This trend reflects the peak of the summer season, following August's remarkable 98% likelihood. As the summer heat begins to wane, September still offers ample sunshine, making it an ideal time for outdoor activities and enjoying the beautiful Mediterranean landscape. In fact, September sits comfortably within a predominantly sun-kissed range, showcasing a gradual decline as the year progresses — from a high of 96% in July to a more modest 78% in October. Overall, if you're seeking bright days and pleasant weather, September in Dalyan marks the tail end of a sun-filled stretch, ensuring memorable experiences under clear blue skies.

Percentage of Sunny Days in September in Dalyan

The chart illustrates the percentage of sunny days in Dalyan 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 Dalyan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%70%65%60%82%92%96%98%95%78%56%46%
Data source: Dalyan September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dalyan in September

In Dalyan, Turkey, the rhythm of daylight throughout the year reveals a beautiful transition from winter's short days to the long, sun-drenched hours of summer. As September arrives, daylight gently begins to wane, providing around 12 hours of sun—a balance between the 14 hours of peak summer and the 11 hours of autumn ahead. This month sits comfortably between the vibrant light of June, July, and August, and the softer, cooler glow of the fall months. The gradual decline from the summer sun to the autumn hues not only marks the changing seasons but also offers a unique charm for visitors, making September a perfect time to explore Dalyan's enchanting landscapes bathed in the warm, golden light.

Average Daylight Hours in Dalyan for September

The chart illustrates the variation in daylight duration in Dalyan throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 56m10h 50m11h 58m13h 8m14h 8m14h 37m14h 22m13h 30m12h 22m11h 12m10h 11m9h 40m
Data source: Dalyan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Dalyan

As summer gives way to autumn in Dalyan, Turkey, September brings a gentle breeze with an average wind speed of 3.3 m/s (7 mph), slightly softer than the previous months. This marks the beginning of a gradual decline in wind activity that continues into October, where speeds dip to 2.7 m/s (6 mph). Throughout the year, wind speeds generally hover around 3.4 to 3.6 m/s from April to August, creating a comfortable atmosphere for outdoor activities. However, the tranquility of September’s winds offers a serene backdrop to the picturesque landscapes of Dalyan, inviting visitors to relish the mild transition into fall while experiencing the enchanting charm of this coastal haven.

Average September Wind Speed in Dalyan

The chart displays monthly wind speed patterns in Dalyan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.63.43.63.43.63.43.53.3 m/s2.73.04.0
Data source: Dalyan September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Dalyan Compares to Other Months

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

September offers a warm, pleasant climate, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (90°F) and an average of 25°C (78°F). The month sees minimal precipitation, amounting to just 6 mm (0.2 in) over one day, and with a humidity of 49%, it creates a comfortable outdoor experience. In stark contrast, January is much cooler and wetter, with temperatures varying from a chilly 1°C (35°F) to a more mild 19°C (66°F) and an average of 11°C (52°F). This month experiences significant precipitation of 219 mm (8.6 in) across 14 days, contributing to higher humidity levels at 83%. For more detailed insights into the January weather conditions, you can refer to Dalyan weather in January.

In comparing the weather of September and February, it's clear that September offers significantly warmer temperatures, with an average of 25°C (78°F) and maximums reaching up to 32°C (90°F). The month experiences minimal precipitation, only about 6 mm (0.2 in) over just one day, and the humidity sits at a moderate 49%. In contrast, February is much cooler, with average temperatures of 12°C (54°F) and max temperatures peaking at 20°C (69°F). This month also sees considerably more rainfall, with 99 mm (3.9 in) spread over 11 days, resulting in a higher humidity level of 81%. For more detailed climate information, you can check Dalyan weather in February.

September weather is characterized by warm temperatures, with averages around 25°C (78°F) and maximums reaching up to 32°C (90°F). This month is relatively dry, receiving only 6 mm of precipitation over just one day, and features a moderate humidity level of 49%. In contrast, March offers a much cooler climate, with average temperatures of 13°C (55°F), peaking at 20°C (68°F), and minimums dropping to as low as 2°C (35°F). It is also much wetter, experiencing 83 mm of rainfall over 9 days, combined with higher humidity levels at 80%. For more specifics on March weather, you can visit Dalyan weather in March.

In comparing the weather between September and April, it's clear that September enjoys warmer temperatures, with a minimum of 17°C (63°F) and an average high of 32°C (90°F), compared to April's cooler range of 7°C (45°F) to 24°C (76°F). Additionally, September experiences significantly less precipitation, averaging only 6 mm (0.2 in) over just one day, while April sees a much wetter climate with 49 mm (1.9 in) spread over six days. The humidity levels also differ, with April being noticeably more humid at 72% compared to September's 49%. For more detailed information, you can check the link: Dalyan weather in April.

When comparing the weather in September and May, September typically offers warmer temperatures, with average highs reaching 32°C (90°F) compared to May's max of 32°C (89°F). However, May tends to be cooler overall, with average temperatures around 20°C (68°F) and nighttime lows of 13°C (55°F) versus September's minimum of 17°C (63°F). In terms of precipitation, September is relatively dry, featuring only 6 mm (0.2 in) and just 1 day of rain, while May is much wetter, experiencing 28 mm (1.1 in) across 7 days. Additionally, humidity levels are higher in May at 73%, compared to a more comfortable 49% in September. For a detailed look at May's weather, you can check Dalyan weather in May.

In comparing the weather of September and June, we observe distinct differences in temperature and humidity levels. September boasts a slightly warmer average temperature of 25°C (78°F), with maximums reaching up to 32°C (90°F), while June averages a cooler 23°C (73°F). Notably, both months can reach the same maximum temperature, but June experiences more precipitation, totaling 20 mm (0.8 in) over 6 days, compared to September's minimal 6 mm (0.2 in) over just 1 day. Additionally, September features lower humidity at 49%, making it feel more comfortable than June's higher humidity level of 66%. For a more detailed look at June weather patterns, you can check out Dalyan weather in June.

When comparing the weather in September to that of July, notable differences emerge. September features a slightly cooler range of temperatures, with a minimum of 17°C (63°F), an average of 25°C (78°F), and a maximum of 32°C (90°F), while July remains hotter, with temperatures ranging from a minimum of 21°C (69°F) to a sweltering maximum of 38°C (101°F). Precipitation is minimal in both months, with September experiencing 6 mm (0.2 in) over just 1 day, while July records even less at 2 mm (0.1 in) with no rainy days. Humidity levels in July are slightly higher at 52%, compared to September's 49%. For a detailed overview of July weather, you can check out Dalyan weather in July.

In comparing the weather between August and September, we see a notable shift in temperatures and humidity levels. August experiences higher temperatures, with a minimum of 23°C (74°F) and a maximum of 35°C (96°F), compared to September's milder range of 17°C (63°F) to 32°C (90°F). Additionally, August is slightly more humid at 43%, while September offers a drier atmosphere with 49% humidity. In terms of precipitation, September is generally drier, receiving only 6 mm (0.2 in) over 1 day, compared to August’s 8 mm (0.3 in) over 2 days. For more details on August weather, you can refer to Dalyan weather in August.

September offers warm temperatures with an average high of 32°C (90°F) and a relatively low precipitation of only 6 mm (0.2 in) across just one day. The humidity is moderate at 49%, making for comfortable conditions. In contrast, October sees a significant drop in temperatures, with average highs around 28°C (83°F) and lows reaching 11°C (52°F). Precipitation increases substantially to 83 mm (3.3 in) over five days, accompanied by higher humidity levels at 68%. For more detailed information, check out Dalyan weather in October.

In comparison to September, November experiences a significant drop in temperatures, with averages declining from a warm 25°C (78°F) to a cooler 17°C (63°F). The high in September can reach up to 32°C (90°F), while November's maximum settles around 25°C (77°F). Additionally, November brings much more precipitation, totaling 116 mm (4.6 in) over 8 days compared to only 6 mm (0.2 in) on one day in September. Humidity also rises markedly in November, increasing to 78% from September's 49%. For more details, you can check Dalyan weather in November.

September weather in Dalyan showcases a warm and pleasant atmosphere, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (90°F). The month experiences minimal precipitation, with only 6 mm (0.2 in) of rainfall over just one day, and a moderate humidity level of 49%.

In contrast, December brings a significant drop in temperatures, with averages falling to a minimum of 5°C (42°F) and a maximum of 19°C (67°F). This month is characterized by much higher precipitation, totaling 210 mm (8.3 in) across 16 days, and elevated humidity levels reaching 84%. For more details on the December climate, you can visit Dalyan weather in December.

Compare Dalyan's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Dalyan

As summer gently transitions into autumn, September in Dalyan offers a delightful blend of warmth and mildness, making it a standout month compared to the sweltering heights of July and August. With average temperatures hovering around a comfortable 25°C, it’s a perfect time to explore the region's stunning landscapes without the oppressive heat. The minimal precipitation, peaking at just one day of rain, ensures that outdoor activities remain uninterrupted, while a refreshing 49% humidity adds to the overall pleasantness in the air. For those looking to experience the charm of Dalyan without the summer crowds, September is an ideal choice. To learn more about what to expect throughout the year, visit Dalyan Climate.