September Weather in Demre, Turkey

Last updated: August 27, 2025

In September, Demre, Turkey basks in delightful weather, making it an ideal time for visitors to explore the picturesque town. With a maximum temperature of 32°C (90°F) and an average of 25°C (77°F), the days are pleasantly warm, while evenings cool down to a minimum of 18°C (64°F). Visitors can expect a modest precipitation of 10 mm (0.4 in) over the month, typically spread across just 3 days, ensuring plenty of sunshine for outdoor activities. The humidity level sits at 49%, providing a comfortable atmosphere to enjoy the stunning landscapes and rich cultural heritage of this charming coastal destination.

September Temperature in Demre

As September rolls into Demre, Turkey, the warmth of summer lingers in the air, presenting a delightful transition into autumn. With minimum temperatures averaging around 18°C (64°F) and maximums reaching up to 32°C (90°F), this month strikes a perfect balance, offering pleasant days perfect for exploring the stunning landscapes. The average temperature of 25°C (77°F) provides an inviting climate for both locals and tourists, making outdoor activities and coastal visits an absolute joy. As the month progresses, the gradual dip from the height of summer ensures that while the heat remains, the intensity begins to soften, hinting at the cooler days that lie ahead in October.

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

The chart illustrates September temperature patterns in Demre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Demre, 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).
JanFebMarAprMayJunJulAugSepOctNovDec495253606873818177696154
Data source: Temperature data for Demre 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 Demre

September in Demre, Turkey, marks a transition as summer begins to wane, with precipitation totaling just 10 mm (0.4 in) over three days. This is a notable contrast to the heavier rains of the preceding months, particularly January and December, which see much higher precipitation levels of 164 mm (6.5 in) and 185 mm (7.3 in), respectively. September’s relatively low rainfall, akin to the dry conditions of July with no recorded precipitation, hints at the region's seasonal shift towards autumn. As the days shorten and temperatures cool, this slight increase in moisture offers a gentle reprieve from the summer drought, paving the way for the more abundant rains typical of fall.

September Precipitation Trends in Demre

The chart displays monthly precipitation patterns in Demre, 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 Demre, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1647273442433414102557185
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Demre

In Demre, Turkey, September marks a subtle transition in humidity levels, with an average of 49%, providing a refreshing change after the summer months. This dip follows the peak of August, which experiences the lowest humidity of the year at 43%. As the seasons shift, September's humidity begins to rise again, foreshadowing the increased moisture of autumn that leads into October's 68%. Overall, the pattern reveals a clear inverse relationship between temperature and humidity, with the coastal town enjoying drier air during the peak summer months and a gradual increase as the year progresses towards winter's 84%. This evolving climate creates an inviting atmosphere for visitors seeking to enjoy the pleasant Mediterranean weather.

September Average Humidity in Demre

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

In September, Demre, Turkey, experiences a UV Index of 9, indicating a very high level of sun exposure with a burn time of only 15 minutes. This marks a slight decrease from the intense summer months of June to August, where the UV Index peaked at 12 and 11, respectively. Still, caution is warranted as the UV levels remain significant, reflecting a transitioning climate as autumn approaches. By month’s end, the UV Index will begin to trend downward, reaching 7 in October, a more manageable figure. For those planning outdoor activities, it's essential to stay informed and protect your skin accordingly; further details can be found at Demre UV Index.

Maximum UV Index Levels in Demre for September

The chart shows the monthly maximum UV Index (UVI) for Demre 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 Demre typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589101211119743
Data source: Demre 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 Demre

September in Demre, Turkey, continues the region's sun-kissed legacy, offering a delightful 349 hours of sunshine. As summer approaches its close, the sun-drenched days start to mellow, following the peak radiance of July with 419 hours. This gradual decline maintains a warm ambiance, inviting visitors to relish in the stunning landscapes and vibrant culture while enjoying the still-sunny weather. Compared to October's 320 hours, September strikes a perfect balance, making it an ideal time for outdoor adventures without the intense heat of the peak summer months. As the season transitions, the sunshine lingers, creating a beautiful backdrop for those looking to experience the charm of Demre.

Monthly Sunshine Duration in Demre: September Highlighted

The September sunshine duration represents the total number of hours Demre 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.
JanFebMarAprMayJunJulAugSepOctNovDec199h264h328h353h401h405h419h397h349h320h271h249h
Data source: Demre September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Demre During September

In Demre, Turkey, the likelihood of sunny weather remains impressively high throughout the summer, peaking in August with a striking 95% chance of sunshine. As September rolls in, the sun continues to shine brightly, maintaining a robust 91% likelihood of clear skies. This pattern reflects a gradual but consistent transition from the sun-drenched days of summer to the more temperate autumn period, with October still holding a favorable 78% chance for sunny weather. Overall, September in Demre is characterized by its reliable sunshine, making it an ideal time for outdoor activities and enjoying the beautiful coastal landscapes.

Percentage of Sunny Days in September in Demre

The chart illustrates the percentage of sunny days in Demre 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 Demre experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec43%64%63%63%83%90%93%95%91%78%58%48%
Data source: Demre September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Demre in September

In Demre, Turkey, the rhythm of daylight subtly transitions as the year unfolds, with September marking a gentle shift from the sun-drenched summer months. As the summer fades, daylight duration in September averages around 12 hours, a slight decline from the 13 hours experienced in August. This gradual decrease hints at the approach of autumn, as the longer days of June and July give way to shorter periods of sunlight. The trend illustrates how Demre basks in ample daylight during the peak summer months, while September serves as a bridge, still holding on to the warmth before the daylight dwindles to 11 hours in October. This captivating dance of light and dark creates a picturesque backdrop for both locals and visitors alike, as they savor the last remnants of summer before embracing the cooler months ahead.

Average Daylight Hours in Demre for September

The chart illustrates the variation in daylight duration in Demre throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 59m10h 51m11h 58m13h 7m14h 5m14h 34m14h 19m13h 28m12h 22m11h 13m10h 13m9h 43m
Data source: Demre daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Demre

As September arrives in Demre, Turkey, the gentle whispers of the wind take center stage, with average speeds dipping to 2.4 m/s (5 mph). This marks a gradual decline from the summer months, where the breezes remained consistently lighter around 2.5 m/s (6 mph). Notably, this softer airflow creates a tranquil atmosphere, perfectly complementing the stunning coastal scenery. As the seasons transition, the wind's diminishing strength hints at the approaching cooler months, leading into October and November, which maintain similar breezy profiles. This seasonal shift embodies the charming essence of Demre, where even the winds seem to slow down, inviting visitors to leisurely explore the enchanting landscapes.

Average September Wind Speed in Demre

The chart displays monthly wind speed patterns in Demre, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.22.73.32.82.72.62.52.52.4 m/s2.42.32.8
Data source: Demre September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Demre Compares to Other Months

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

September and January present contrasting weather conditions. In September, temperatures are generally warm, with a minimum of 18°C (64°F) and a comfortable average of 25°C (77°F), peaking at 32°C (90°F). The month sees minimal precipitation, totaling just 10 mm (0.4 in) over about 3 days, and the humidity is moderate at 49%. In stark contrast, January experiences chilly temperatures, with a minimum of -1°C (31°F) and an average of just 9°C (49°F), reaching a maximum of 17°C (63°F). This month is much wetter, with precipitation reaching 164 mm (6.5 in) over 13 days, and the humidity level is notably high at 83%. For a more detailed look at January weather, check out Demre weather in January.

September and February exhibit strikingly different weather patterns. In September, temperatures are notably warm, with averages around 25°C (77°F) and peaks reaching up to 32°C (90°F), while humidity is relatively moderate at 49%. Precipitation is minimal, only 10 mm (0.4 in) over about 3 days, making it a pleasant month for outdoor activities. In contrast, February brings much cooler temperatures, with an average of 11°C (52°F) and maximums only hitting 19°C (67°F). The atmosphere is significantly more humid at 81%, and precipitation is much higher, accumulating to 72 mm (2.8 in) over approximately 11 days. For more details on the weather in February, you can check Demre weather in February.

In September, the weather typically showcases warm temperatures, with a minimum of 18°C (64°F) and an average of 25°C (77°F), peaking at a maximum of 32°C (90°F). This month experiences low precipitation, receiving only 10 mm (0.4 in) over just three days and maintaining a humidity level of 49%. In contrast, March brings a significant shift; temperatures are much cooler, ranging from a minimum of 1°C (34°F) to an average of 12°C (54°F) and a maximum of 20°C (68°F). Additionally, March is considerably wetter, with 73 mm (2.9 in) of rain falling over 10 days and a higher humidity level at 80%. For more detailed insights on March weather, visit Demre weather in March.

When comparing September and April weather, it's clear that September boasts warmer temperatures, with averages around 25°C (77°F) and maximums reaching 32°C (90°F). In contrast, April is much cooler, featuring an average temperature of 15°C (60°F) and maximums of 25°C (77°F). Precipitation levels also differ significantly; September experiences only 10 mm (0.4 in) of rain over about 3 days, while April sees a wetter climate with 44 mm (1.7 in) over 7 days. Additionally, humidity in April is notably higher at 72%, compared to 49% in September. For more detailed insights, check out Demre weather in April.

When comparing the weather in September and May, distinct differences emerge. September boasts warmer temperatures with a minimum of 18°C (64°F), an average of 25°C (77°F), and a maximum of 32°C (90°F). In contrast, May's temperatures are cooler, ranging from a minimum of 11°C (53°F) to an average of 20°C (68°F), with a similar maximum of 32°C (89°F). Additionally, May experiences higher precipitation with 24 mm (0.9 in) over 5 days, compared to a much drier September, which sees only 10 mm (0.4 in) over 3 days. Moreover, May's humidity at 73% significantly surpasses September's 49%, making May feel more humid and lush. For a more detailed look at May's conditions, you can check out Demre weather in May.

In comparing the weather of September and June, September tends to be warmer overall with average temperatures reaching 25°C (77°F) compared to June's 23°C (74°F). Both months experience similar maximum temperatures, with June peaking at 31°C (88°F) and September hitting 32°C (90°F). However, June is characterized by higher humidity at 66%, making it feel more oppressive, while September has a more comfortable humidity level of 49%. Additionally, September sees significantly less precipitation, with only 10 mm (0.4 in) over 3 days, whereas June experiences 33 mm (1.3 in) of rain over 8 days. For more detailed insights, you can check Demre weather in June.

In comparing the weather between September and July, July tends to be slightly warmer, with average temperatures reaching 27°C (81°F) compared to September's 25°C (77°F). The maximum temperature in July can soar to 35°C (95°F), while September sees a maximum of 32°C (90°F). Additionally, July experiences almost no rainfall, with just 4 mm (0.1 in) recorded over zero days, whereas September has a bit more precipitation at 10 mm (0.4 in) over three days. Humidity levels are fairly similar, with July at 52% and September at 49%. For more details on July's weather, check out Demre weather in July.

Comparing the weather in September to August reveals some notable differences. September typically features a slightly cooler range, with minimum temperatures of 18°C (64°F) compared to 22°C (71°F) in August. The average temperature in September is 25°C (77°F), while August sees an average of 27°C (81°F). Additionally, September experiences lower maximum temperatures of 32°C (90°F) versus 35°C (95°F) in August. Precipitation also decreases in September, with only 10 mm (0.4 in) over 3 days, compared to 14 mm (0.5 in) over 4 days in August. Interestingly, humidity levels are a bit higher in September at 49%, compared to 43% in August. For more details on August weather, you can visit Demre weather in August.

In September, the weather tends to be warmer with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 32°C (90°F) and an average of 25°C (77°F). Precipitation is light, totaling only 10 mm (0.4 in) over three days, accompanied by a moderate humidity level of 49%. In contrast, October brings cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 29°C (84°F), averaging 21°C (69°F). Rainfall increases to 25 mm (1.0 in) over a similar number of days, and humidity rises significantly to 68%. The shift from September to October marks a transition from summer warmth to a more temperate fall climate. For more details on what to expect, visit Demre weather in October.

September boasts warm temperatures, with averages around 25°C (77°F) and highs reaching up to 32°C (90°F). The month is relatively dry, featuring only 10 mm (0.4 in) of precipitation over just three days, and a moderate humidity of 49%. In contrast, November sees a notable drop in temperature, with a cooler average of 16°C (61°F) and highs of 25°C (76°F). This month is significantly wetter, experiencing 57 mm (2.2 in) of rain over seven days, accompanied by a higher humidity level of 78%. For more details on November weather specifics, you can check Demre weather in November.

September weather is characterized by warm temperatures, with a minimum of 18°C (64°F) and an average of 25°C (77°F), peaking at 32°C (90°F). The month experiences low precipitation, averaging only 10 mm (0.4 in) over 3 days, and a comfortable humidity level of 49%. In contrast, December brings a significant drop in temperatures, with a minimum of 5°C (41°F) and an average of 12°C (54°F), reaching a maximum of only 20°C (68°F). Precipitation rises dramatically to 185 mm (7.3 in), occurring over 16 days, and humidity climbs to a much higher 84%. For more detailed information on December weather, visit Demre weather in December.

Compare Demre's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Demre

As September rolls in, Demre experiences a delightful transition, offering a blend of warm, sunny days and cooler nights compared to the scorching heat of summer. With a comfortable average temperature of 25°C, the climate becomes more pleasant, making it an ideal time for outdoor explorations. While rainfall remains minimal, the humidity level feels quite refreshing, ensuring that the natural beauty of the area is complemented by a breezy atmosphere. This month stands out for its balance, inviting visitors to relish the outdoors without the oppressive heat. For a detailed dive into the weather patterns throughout the year, check Demre Climate.