September Weather in Mudanya, Turkey

Last updated: August 27, 2025

Experience the charm of Mudanya, Turkey in September, where the weather strikes a delightful balance. With maximum temperatures reaching a warm 32°C (89°F) and an average of 22°C (71°F), the conditions are perfect for outdoor adventures. Evenings cool down pleasantly with minimum temperatures of around 12°C (55°F), making it ideal for leisurely strolls. Visitors can expect 38 mm (1.5 in) of rainfall spread over 6 days, contributing to the region's lush scenery while maintaining a comfortable humidity level of 60%. Embrace the vibrant atmosphere as summer transitions into autumn in this picturesque coastal town.

September Temperature in Mudanya

In September, Mudanya, Turkey, enjoys a delightful transition from the summer heat, showcasing temperatures that strike a balance between warmth and comfort. The minimum temperature hovers around 12°C (55°F), providing a refreshing start to the day, while the average rises to a pleasant 22°C (71°F), perfect for exploring the town or lounging by the sea. As the days progress, the maximum temperature reaches a lofty 32°C (89°F), reminiscent of summer's peak, ensuring sunny afternoons ideal for outdoor activities. This month marks a gradual cooling as autumn approaches, making it an attractive time to visit for those seeking to escape the heat while enjoying comfortable weather. Overall, September stands out as a transitional gem in Mudanya's climate, blending the tail end of summer with the gentle onset of fall.

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

The chart illustrates September temperature patterns in Mudanya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mudanya, 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).
JanFebMarAprMayJunJulAugSepOctNovDec434547546370757671635649
Data source: Temperature data for Mudanya 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 Mudanya

In September, Mudanya, Turkey, experiences a notable shift in precipitation patterns as summer begins to wane. With an average rainfall of 38 mm (1.5 in) over 6 days, this month marks a subtle increase from the arid days of August, which recorded only 18 mm (0.7 in). As the dry season comes to a close, September's precipitation serves as a gentle reminder of the approaching autumn, transitioning the town from the hot summer months. This gradual rise in rainfall not only revitalizes the landscape but also sets the stage for the more substantial rainfalls that typically follow in October and November.

September Precipitation Trends in Mudanya

The chart displays monthly precipitation patterns in Mudanya, 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 Mudanya, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec11073955560603618386363127
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mudanya

In September, Mudanya, Turkey, experiences a noticeable shift in humidity as it transitions from the hot summer months, with levels dropping to 60%. This marks a significant decrease from the sweltering 55% humidity of August, indicating the onset of autumn. As the region begins to cool, humidity levels start to rise again in October, climbing back to 73%. Overall, this month serves as a bridge where the fading summer heat mingles with the approaching cooler season, offering a pleasant reprieve from the high humidity of summer, while hinting at the wetter months ahead.

September Average Humidity in Mudanya

This chart illustrates the average monthly humidity levels in Mudanya, 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 Mudanya is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%83%76%77%70%63%55%60%73%82%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mudanya

As summer gives way to autumn in Mudanya, Turkey, the UV Index gradually decreases from its peak in the scorching months of June and July, where it reached an intense 10. By September, the index remains at a very high level of 8, indicating that while the sun dips lower in the sky, caution is still advised with a burn time of just 15 minutes. Transitioning from the extreme highs of summer, September underscores a trend where the UV Index begins to wane, making way for more moderate conditions, yet still requires protective measures. As the month unfolds, residents and visitors alike should stay vigilant about sun exposure, ensuring they enjoy the beautiful weather safely. For more information, check out the detailed Mudanya UV Index.

Maximum UV Index Levels in Mudanya for September

The chart shows the monthly maximum UV Index (UVI) for Mudanya 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 Mudanya typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34789101098642
Data source: Mudanya 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 Mudanya

September in Mudanya, Turkey bathes in a pleasant glow, recording 345 hours of sunshine, a delightful transition from the sun-drenched summer months. As the year progresses, sunlight peaks in July at 428 hours, offering the warmest embrace, while August follows closely with 396 hours. However, as autumn approaches, there's a gentle decrease in sunny days, signaling the onset of cooler weather. September's generous sunshine suggests a lingering warmth, making it perfect for enjoying the beaches or exploring the charming coastal town before the days grow shorter. With sunlight gradually tapering off into October and November, this month serves as a vibrant finale to the sun-soaked experiences of summer, inviting visitors to relish its beauty while it lasts.

Monthly Sunshine Duration in Mudanya: September Highlighted

The September sunshine duration represents the total number of hours Mudanya 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.
JanFebMarAprMayJunJulAugSepOctNovDec167h234h306h341h392h406h428h396h345h308h255h217h
Data source: Mudanya September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mudanya During September

As summer transitions into fall, September in Mudanya, Turkey offers a delightful blend of warmth and sunshine, making it a popular time for outdoor activities. With a 61% chance of sunny weather, September marks a significant dip from the sizzling heights of August's impressive 86%, yet still boasts a favorable outlook compared to the cooler months ahead. This idyllic weather invites visitors to enjoy the picturesque coastal scenery before the onset of autumn's chill. As daylight dwindles, the lingering warmth of the Mediterranean sun continues to create an inviting atmosphere, perfect for leisurely strolls and sunset views. Embrace the beauty of early fall in Mudanya, where sunny days still reign supreme.

Percentage of Sunny Days in September in Mudanya

The chart illustrates the percentage of sunny days in Mudanya 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 Mudanya experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%44%37%41%59%66%80%86%61%52%42%33%
Data source: Mudanya September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mudanya in September

In Mudanya, Turkey, the transition to September signals a gentle decline in daylight duration, with the month offering about 12 hours of sunlight. This pattern follows the gradual increase witnessed from January to May, where daylight stretches from a modest 9 hours in January to a generous 14 hours by June. Interestingly, daylight remains steady during July and August, but as summer gives way to autumn, September experiences a shift, heralding the shorter days of October and November, which revert back to 11 hours and 9 hours respectively. This rhythmic ebb and flow of daylight highlights the region’s beautiful seasonal changes, inviting residents and visitors alike to savor the last glimmers of summer before fall settles in.

Average Daylight Hours in Mudanya for September

The chart illustrates the variation in daylight duration in Mudanya throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 38m10h 39m11h 57m13h 17m14h 25m14h 59m14h 41m13h 41m12h 25m11h 5m9h 55m9h 19m
Data source: Mudanya daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Mudanya

As September arrives in Mudanya, Turkey, a gentle shift in the breeze signals the transition towards autumn. With an average wind speed of 4.0 m/s (9 mph), this month marks a notable increase compared to the calmer summer months, where speeds dipped to around 2.3 m/s (5 mph) in June. The invigorating winds of September not only enhance the coastal ambiance but also mirror a gradual rise seen since spring, suggesting a renewed vitality in the air. As the warm summer days give way to cooler evenings, the refreshing winds invite residents and visitors alike to embrace the enchanting beauty of the season.

Average September Wind Speed in Mudanya

The chart displays monthly wind speed patterns in Mudanya, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.63.43.02.92.33.53.54.0 m/s4.03.43.8
Data source: Mudanya September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Mudanya Compares to Other Months

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

September and January present contrasting weather conditions. In September, temperatures range from a mild 12°C (55°F) at night to a warm 32°C (89°F) during the day, with an average of 22°C (71°F). Precipitation is relatively low, measuring about 38 mm (1.5 in) over an average of 6 days, and humidity levels hover around 60%. In stark contrast, January experiences much colder temperatures, with a minimum of -3°C (26°F) and a maximum of 18°C (65°F), averaging only 6°C (44°F). This month sees significantly higher precipitation totals of 110 mm (4.3 in) over approximately 13 days and increased humidity at 84%. For a deeper look at January weather, visit Mudanya weather in January.

September and February present distinctly different weather patterns. September typically enjoys warmer temperatures, ranging from a minimum of 12°C (55°F) to a maximum of 32°C (89°F), with an average of 22°C (71°F). In contrast, February experiences much cooler conditions, with temperatures dropping as low as -3°C (27°F) and averaging only 7°C (46°F), peaking at 20°C (67°F). Additionally, February is wetter, recording about 73 mm (2.9 in) of precipitation over 12 days, compared to September's 38 mm (1.5 in) across just 6 days. The humidity also rises significantly in February, averaging 84%, while September sits at a more moderate 60%. For more detailed information, you can check out Mudanya weather in February.

September and March present contrasting weather patterns. In September, temperatures typically range from a mild 12°C (55°F) to a warm 32°C (89°F), with an average of 22°C (71°F). The month experiences relatively low precipitation, totaling 38 mm (1.5 in) over about six days, alongside a moderate humidity of 60%. In stark contrast, March has much cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 20°C (69°F), averaging just 8°C (48°F). This month sees a significantly higher amount of rainfall, totaling 94 mm (3.7 in) across around 13 days, with humidity reaching 83%. For more specifics on the weather during this time, you can refer to Mudanya weather in March.

In comparing the weather between September and April, September tends to be warmer and drier. With average temperatures ranging from a mild 12°C (55°F) to a high of 32°C (89°F), September offers more sunshine and less rainfall, recording only 38 mm over about 6 days. In contrast, April brings cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 23°C (73°F), along with higher precipitation levels of 55 mm spread over 9 days. Additionally, April experiences greater humidity at 76%, compared to September’s 60%. For a detailed look at April weather, you can check Mudanya weather in April.

September and May offer contrasting weather experiences. In September, temperatures range from a mild 12°C (55°F) to a warm 32°C (89°F), with an average of 22°C (71°F). The month sees relatively low precipitation at 38 mm (1.5 in) over about 6 days, accompanied by a comfortable humidity level of 60%. In contrast, May is cooler with temperatures starting from 8°C (47°F) and peaking at 28°C (83°F), averaging 17°C (63°F). However, May experiences more rainfall, totaling 60 mm (2.4 in) over approximately 9 days, and higher humidity at 77%. For more details on the weather during this month, check Mudanya weather in May.

September generally offers slightly warmer weather compared to June, with maximum temperatures reaching up to 32°C (89°F) compared to June's 30°C (86°F). The average temperatures are comparable, with September averaging 22°C (71°F) and June at 21°C (71°F). However, September experiences less overall precipitation, with 38 mm (1.5 in) falling over six days, while June sees a higher total of 60 mm (2.4 in) over ten days. The humidity is also lower in September at 60%, contrasted with June’s 70%, making September feel slightly drier and more comfortable. For more details, you can check Mudanya weather in June.

In comparing the weather of September and July, September tends to be slightly cooler overall, with average temperatures ranging from a minimum of 12°C (55°F) to a maximum of 32°C (89°F), while July boasts warmer nights, starting at 17°C (64°F) and peaking at 32°C (90°F). Both months experience similar amounts of precipitation, with September receiving 38 mm (1.5 in) over 6 days and July slightly less at 36 mm (1.4 in) over just 5 days. Additionally, humidity levels are similar, with September at 60% and July at 63%, making both months quite comfortable, albeit July is marginally more humid. For more details on July weather specifically, you can check Mudanya weather in July.

In comparing the weather between August and September, we can see a noticeable shift in temperature and precipitation levels. September experiences a more significant range, with minimum temperatures dipping to 12°C (55°F) and a maximum reaching 32°C (89°F), alongside an average of 22°C (71°F). This month also sees an increase in rainfall, with 38 mm (1.5 in) of precipitation over an average of 6 days, compared to August's milder weather, which has a minimum temperature of 18°C (65°F), an average of 24°C (76°F), and a maximum of 32°C (90°F) with only 18 mm (0.7 in) of precipitation spread over just 2 days. Additionally, September's humidity is slightly higher at 60%, compared to August's 55%. For more details on August weather specifically, visit Mudanya weather in August.

September typically offers warmer temperatures with an average of 22°C (71°F) and highs reaching up to 32°C (89°F), while October sees a noticeable drop to an average of 17°C (63°F) and maximums of 29°C (85°F). Precipitation also increases in October, from 38 mm (1.5 in) over 6 days in September to 63 mm (2.5 in) over 8 days in October, reflecting a shift towards wetter weather. Additionally, October's humidity rises to 73%, compared to September's 60%, making the air feel more humid and cooler. For those interested in more specific details, you can check out Mudanya weather in October.

In September, the weather is generally warmer and drier, with temperatures ranging from a mild 12°C (55°F) at night to a hot 32°C (89°F) during the day. The month experiences relatively low rainfall of 38 mm (1.5 in) over about 6 days, while humidity averages around 60%. In contrast, November brings a noticeable drop in temperatures, with lows of 5°C (42°F) and a comfortable high of 24°C (75°F), but the average temperature settles at a cooler 13°C (56°F). The month is characterized by increased precipitation, totaling 63 mm (2.5 in) across approximately 10 days, and a rise in humidity levels to 82%. For a detailed look at November's weather patterns, you can check Mudanya weather in November.

In comparing the weather between September and December, one can observe a significant shift in temperature and precipitation. September boasts a comfortable average temperature of 22°C (71°F), with highs reaching up to 32°C (89°F) and only 38 mm (1.5 in) of rainfall over about 6 days, resulting in lower humidity levels around 60%. In stark contrast, December experiences much cooler temperatures, with an average of just 9°C (49°F) and maximums of 19°C (66°F). Precipitation increases dramatically to 127 mm (5.0 in) over 14 days, accompanied by a rise in humidity to 85%, making it feel much wetter. For more details on December's climate, you can check Mudanya weather in December.

Compare Mudanya's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Mudanya

As summer gently transitions to autumn, September in Mudanya brings a delightful mix of warmth and mildness. With average temperatures hovering pleasantly around 22°C, this month stands out with its lower humidity levels and sporadic rain, totaling about 38 mm over just six days. Unlike the peak heat of July and August, September offers a welcome reprieve, making it an ideal time for outdoor activities and exploration. As you plan your visit, be sure to check out the details on the local climate for a comprehensive understanding of what to expect: Mudanya Climate.