September Weather in Marmaris, Turkey

Last updated: August 27, 2025

September in Marmaris, Turkey is characterized by delightful weather perfect for beachgoers and outdoor enthusiasts. With maximum temperatures reaching a warm 31°C (89°F) and an average of 26°C (79°F), visitors can relish in the sun-drenched days. The minimum temperature rarely dips below 19°C (67°F), ensuring pleasant evenings. Notably, precipitation is minimal, with just 3 mm (0.1 in) recorded and no rainy days, while humidity remains comfortable at 49%. This combination makes September an ideal time to explore the stunning coastal scenery and vibrant local culture.

September Temperature in Marmaris

September marks a transition in Marmaris, Turkey, as summer gradually gives way to autumn. With minimum temperatures hovering around 19°C (67°F) and averaging 26°C (79°F), the weather remains pleasantly warm, making it an ideal time for outdoor activities and beach visits. The maximum temperatures can reach up to 31°C (89°F), ensuring that the warmth of summer lingers in the air. As the month progresses, you can expect slightly cooler evenings, a delightful change after the hot months of July and August. This comfortable climate, coupled with fewer crowds, makes September a fantastic time to explore the stunning coastline and vibrant local culture.

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

The chart illustrates September temperature patterns in Marmaris, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marmaris, 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).
JanFebMarAprMayJunJulAugSepOctNovDec555757626975818279726659
Data source: Temperature data for Marmaris 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 Marmaris

In September, Marmaris experiences a notable shift as summer draws to a close, bringing an end to the dry spell felt over the preceding months. With only 3 mm of precipitation and no recorded rainfall days, the month is characterized by its lingering warmth and sunshine, making it a popular time for outdoor activities. This trend of minimal rainfall contrasts sharply with the wetter months that precede it, like January and December, when rainfall peaks at 249 mm and 283 mm, respectively. Overall, September serves as a gentle transition into the more variable autumn months ahead, hinting at the increase in precipitation expected in October and November.

September Precipitation Trends in Marmaris

The chart displays monthly precipitation patterns in Marmaris, 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 Marmaris, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec249120964314711392167283
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Marmaris

As summer transitions into autumn, September in Marmaris, Turkey, brings a subtle shift in humidity levels, with an average of 49%. This marks a noticeable increase from the dry peak of 43% in August, signaling the end of the hot months. The humidity during September is relatively low compared to the preceding months of winter, where figures soar up to 84% in December. This pattern indicates that while visitors can still enjoy warm weather with comfortable humidity, the enduring coastal breezes begin to cushion the warmth, making it an ideal time for exploration and relaxation in this picturesque destination. As September unfolds, tourists can relish the slightly elevated moisture without the stifling heat, making the climate both agreeable and inviting.

September Average Humidity in Marmaris

This chart illustrates the average monthly humidity levels in Marmaris, 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 Marmaris 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 Marmaris

As September rolls into Marmaris, Turkey, the UV Index remains impressively high at 8, categorizing it as very high. This trend continues the summer's legacy of intense sun exposure, although there's a slight decrease from August's peak of 10. With a burn time of just 15 minutes, sun safety becomes essential as visitors enjoy the lingering warmth and vibrant beauty of the Mediterranean. Unlike the gradual declines seen in the months before, September still demands caution for those soaking up the sun's rays. For more detailed insights into UV exposure throughout the year, check out the Marmaris UV Index.

Maximum UV Index Levels in Marmaris for September

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

September in Marmaris, Turkey, offers a delightful transition from the summer heat with 348 hours of sunshine, making it an ideal time for those seeking a sunny escape without the peak season crowds. As the summer months peak with 421 hours of sunlight in July, the days gradually shorten, yet September maintains a vibrant ambiance reminiscent of summer. This month showcases a beautiful balance, where the warmth of late summer merges with the refreshing hints of autumn, providing a perfect backdrop for beach outings and scenic explorations. With sunlight hours still abundant compared to the quieter months ahead, September beckons visitors to revel in the glowing days before winter sets in.

Monthly Sunshine Duration in Marmaris: September Highlighted

The September sunshine duration represents the total number of hours Marmaris 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.
JanFebMarAprMayJunJulAugSepOctNovDec214h269h333h355h400h407h421h395h348h325h276h264h
Data source: Marmaris September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Marmaris During September

In Marmaris, Turkey, the sunny weather in September boasts a remarkable 97% chance of sun, making it one of the best months to bask in the warm Mediterranean glow. As summer transitions into autumn, the likelihood of clear skies remains high, closely mirroring the peak sunny months of July and August, which reach an impressive 97% and 99% chance, respectively. This trend illustrates that while the blazing summer heat may begin to wane, the delightful sunny days persist, allowing visitors to enjoy outdoor activities and stunning coastal views well into the fall. With October also holding a respectable 79% chance of sunshine, September serves as the perfect bridge between summer fun and autumn relaxation.

Percentage of Sunny Days in September in Marmaris

The chart illustrates the percentage of sunny days in Marmaris 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 Marmaris experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%70%68%59%81%93%97%99%97%79%55%47%
Data source: Marmaris September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Marmaris in September

As summer wanes in Marmaris, Turkey, the month of September brings a gentle shift in daylight, with the sun gracing the skies for about 12 hours each day. This transition marks a peak in daylight duration that begins in the vibrant month of May, where the days extend to 14 hours—the longest of the year. Following the heat of summer, daylight gradually diminishes, with September's hours reflecting a slight retreat into the cozy embrace of autumn. While the sunlight begins to fade from its summer glory, the sultry evenings still invite late strolls along the picturesque coastline, painting a perfect backdrop for the winding down of warm-weather adventures. As the months progress into October, daylight further decreases, promising the cyclical rhythm of nature and the enchanting allure of Marmaris through each season.

Average Daylight Hours in Marmaris for September

The chart illustrates the variation in daylight duration in Marmaris 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 39m
Data source: Marmaris daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Marmaris

As September rolls into Marmaris, Turkey, the winds begin to soften, with an average speed of 4.6 m/s (10 mph), marking a gentle transition from the lively gusts of summer. This month sees a notable decline in wind strength compared to the summer highs of 5.3 m/s in June, while still maintaining a pleasant breeze that enhances the tranquil Mediterranean atmosphere. Interestingly, September’s winds are consistently milder than the winter months of January and December, which boast higher averages of 5.3 m/s. This pattern not only invites relaxing seaside strolls but also encourages sailing enthusiasts to make the most of the lingering warmth before autumn sets in. Overall, September's winds encapsulate a delightful mix of calmness and vitality, perfect for enjoying the stunning vistas Marmaris has to offer.

Average September Wind Speed in Marmaris

The chart displays monthly wind speed patterns in Marmaris, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.34.94.85.04.55.34.44.94.6 m/s3.63.75.3
Data source: Marmaris September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Marmaris Compares to Other Months

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

September brings warm temperatures, with an average of 26°C (79°F) and maximum highs reaching 31°C (89°F), making it a pleasant time to enjoy outdoor activities. The month is relatively dry, seeing only 3 mm of precipitation over no rain days and low humidity at 49%. In stark contrast, January experiences much cooler temperatures, with an average of 13°C (55°F) and highs only up to 19°C (67°F). This month is significantly wetter, receiving 249 mm of rainfall across 14 days, accompanied by higher humidity levels at 83%. For those interested in learning more about January weather specifics, you can check out Marmaris weather in January.

In September, the weather is warm and pleasant, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 31°C (89°F) and very little precipitation, recorded at just 3 mm (0.1 in) across the month. This results in a relatively low humidity level of 49%, making it an ideal time for outdoor activities. In contrast, February presents a marked shift, characterized by much cooler temperatures that range from a minimum of 4°C (40°F) to a maximum of 20°C (69°F). This month sees significant rainfall, accumulating to 120 mm (4.7 in) over 12 days, leading to a much higher humidity of 81%. For more details on February conditions, you can refer to Marmaris weather in February.

September and March display distinctly different weather patterns. In September, temperatures are warm, with a mild minimum of 19°C (67°F) and a comfortable average of 26°C (79°F), peaking at a maximum of 31°C (89°F). The month experiences very little precipitation, averaging just 3 mm (0.1 in) with zero rainy days and a humidity level of 49%, making it ideal for outdoor activities. In contrast, March brings cooler temperatures, with a minimum of 4°C (39°F) and an average of 14°C (58°F), reaching a maximum of 20°C (69°F). This month is significantly wetter, with 96 mm (3.8 in) of rain spread over 8 days and higher humidity at 80%. For more detailed weather information, visit Marmaris weather in March.

September and April exhibit contrasting weather patterns. In September, temperatures range from a minimum of 19°C (67°F) to a maximum of 31°C (89°F), with an average of 26°C (79°F). This month experiences very little precipitation, with only 3 mm (0.1 in) and no rainy days, alongside a moderate humidity level of 49%. In contrast, April sees much cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 23°C (74°F), averaging around 17°C (63°F). This month is also much wetter, receiving 43 mm (1.7 in) of precipitation over five rainy days, and has higher humidity at 72%. For more detailed information on April weather, you can visit Marmaris weather in April.

In comparing the weather of September and May, September typically offers warmer temperatures, with an average of 26°C (79°F) and a maximum reaching 31°C (89°F), while May is slightly cooler, averaging 21°C (69°F) with a maximum of 29°C (84°F). Additionally, September boasts lower humidity at 49% and minimal precipitation, often experiencing dry days, whereas May sees higher humidity levels at 73% and more rainfall, averaging 14 mm over three days. For a detailed look at May's weather characteristics, you can check Marmaris weather in May.

In September, the weather tends to be warmer and drier compared to June. With average temperatures reaching 26°C (79°F) and a maximum of 31°C (89°F), September enjoys a few degrees higher than June's average of 24°C (75°F). While both months share the same maximum temperature of 31°C (88°F), September experiences significantly less precipitation, with only 3 mm (0.1 in) over 0 days, in contrast to June, which sees 7 mm (0.3 in) over 2 days. Additionally, September's humidity is lower at 49%, compared to June's more humid average of 66%. For more details on the weather specifics for June, you can visit Marmaris weather in June.

When comparing the weather in September to that of July, we notice some interesting differences. September typically features a minimum temperature of 19°C (67°F), averaging 26°C (79°F), and reaching a maximum of 31°C (89°F). In contrast, July is warmer overall, with a minimum of 22°C (72°F), an average of 27°C (81°F), and a maximum of 34°C (93°F). Both months experience minimal precipitation, with September recording just 3 mm and July 1 mm, but neither month sees any rainy days. Humidity levels are slightly lower in September at 49%, compared to July's 52%. For a more detailed look at July weather specifically, you can visit Marmaris weather in July.

In comparing the weather between September and August, September features a more moderate climate, with minimum temperatures of 19°C (67°F) and an average of 26°C (79°F), compared to August's warmer minimum of 24°C (76°F) and an average of 28°C (82°F). While September enjoys maximum temperatures reaching 31°C (89°F), August peaks significantly higher at 36°C (96°F). Interestingly, both months experience minimal precipitation, with September receiving 3 mm (0.1 in) and August just 1 mm (0.1 in), and both having no rainy days. Additionally, September has a slightly higher humidity at 49%, compared to August’s 43%. For more specific details, check out Marmaris weather in August.

In September, the weather is characterized by warm temperatures, with a minimum of 19°C (67°F) and an average of 26°C (79°F), peaking at 31°C (89°F). The month sees very little precipitation, accumulating just 3 mm (0.1 in) and experiencing no rainy days, alongside a moderate humidity level of 49%.

In contrast, October brings a noticeable shift, with lower temperatures averaging 22°C (72°F), ranging from a minimum of 13°C (56°F) to a maximum of 29°C (84°F). This month experiences significantly more rainfall, totaling 92 mm (3.6 in) over 5 days, and higher humidity at 68%. This transition marks October as a month of cooler temperatures and increased moisture in the air. For more detailed insights, you can check Marmaris weather in October.

In September, the weather is warm and pleasant, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 31°C (89°F) and very little precipitation, averaging just 3 mm over the month. The humidity remains relatively moderate at 49%, making it ideal for outdoor activities. In contrast, November brings a significant drop in temperatures, with averages between 11°C (52°F) and 25°C (76°F) and a marked increase in rainfall, totaling 167 mm over about 8 days. This increase in precipitation also contributes to higher humidity levels at 78%, creating a much cooler and wetter atmosphere. For those interested in a more detailed overview of November weather, check out Marmaris weather in November.

September and December present strikingly different weather conditions. In September, temperatures typically range from a pleasant 19°C (67°F) at night to a warm 31°C (89°F) during the day, accompanied by low humidity at 49% and minimal rainfall, making it a drier month with just 3 mm of precipitation. In contrast, December sees a significant drop in temperature, with averages around 15°C (59°F), and a maximum of 20°C (68°F) during the daytime. The month is also characterized by much higher humidity at 84% and considerable precipitation of 283 mm (11.1 in) over 17 days, leading to a damp and cooler atmosphere. For more detailed insights into December weather, you can visit Marmaris weather in December.

Compare Marmaris's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Marmaris

As summer reaches its twilight in September, Marmaris experiences a delightful shift in weather, making it a prime time for visitors. With a maximum temperature hovering around a pleasant 31°C (89°F) and an average of 26°C (79°F), the days remain warm but are often tempered by refreshing breezes. Unlike the sultry heights of July and August, September boasts significantly lower humidity levels at 49%, creating a much more comfortable atmosphere. With virtually no rainfall, it’s the perfect opportunity to explore the stunning coastlines or indulge in outdoor activities. For a comprehensive look at how Marmaris’ climate varies throughout the year, check out Marmaris Climate.