September Weather in Iskenderun, Turkey

Last updated: August 27, 2025

Experience the vibrant September weather of Iskenderun, Turkey, where temperatures soar with a maximum of 41°C (107°F), making it an ideal month for sun-seekers. The average temperature hovers around a pleasant 26°C (80°F), while evenings cool down to a comfortable minimum of 16°C (62°F). Although rainfall is limited, with only 12 mm (0.5 in) falling across 3 days, humidity remains moderate at 42%, allowing for enjoyable outdoor activities. Whether you’re exploring the stunning coastline or indulging in local cuisine, Iskenderun's September weather sets the perfect backdrop for an unforgettable experience.

September Temperature in Iskenderun

In September, Iskenderun greets visitors with pleasant warmth, marking the transition from summer's peak to the more temperate autumn. The month showcases a minimum temperature of 16°C (62°F) and an average high of 41°C (107°F), hinting at the lingering summer heat. However, as the month progresses, days gradually become more comfortable, with the average temperature settling around 26°C (80°F). This inviting climate makes September an ideal time for outdoor adventures and seaside relaxation, as the sweltering August gives way to a more enjoyable warmth. The trend from scorching summer to mild autumn is evident, providing a perfect backdrop for exploring the Mediterranean charm of this coastal town.

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

The chart illustrates September temperature patterns in Iskenderun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iskenderun, 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).
JanFebMarAprMayJunJulAugSepOctNovDec485155627176828380726153
Data source: Temperature data for Iskenderun generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Iskenderun

In September, Iskenderun experiences a notable shift in precipitation patterns, with an average of 12 mm (0.5 in) of rain falling over three days. This marks a subtle increase from the dry summer months of July and August, which see only minimal rainfall of 6 mm and 7 mm, respectively. As summer transitions to autumn, the relatively low precipitation indicates a slow start to the wetter season, but it does pave the way for the following months, where rainfall will gradually increase, peaking in January and December with their significant totals of 124 mm. This trend highlights a typical Mediterranean climate, where dry summers give way to refreshing autumn showers, crucial for reviving the local landscape.

September Precipitation Trends in Iskenderun

The chart displays monthly precipitation patterns in Iskenderun, 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 Iskenderun, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1248510964371567123445124
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Iskenderun

In September, Iskenderun experiences a notable shift in humidity, with levels averaging 42%—a continuation of the significantly lower readings seen in the preceding summer months. This marks a steep decline from the earlier part of the year, where humidity levels hovered around 76% in January, gradually decreasing to 37% in August. The transition into autumn sees a slight increase in humidity as temperatures drop, reflecting a reversal of the trend experienced during the hot summer. As the city moves towards October, humidity levels will begin to rise again, suggesting a more balanced atmospheric composition and setting the stage for the cooler, more humid months ahead.

September Average Humidity in Iskenderun

This chart illustrates the average monthly humidity levels in Iskenderun, 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 Iskenderun is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%77%73%66%68%53%43%37%42%56%69%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Iskenderun

As the summer months give way to autumn, September's UV Index in Iskenderun, Turkey, reflects a slight decline from the peak of the season. With a UV Index of 8, categorized as very high, sun exposure remains a considerable concern. This month necessitates a burn time of only 15 minutes for unprotected skin, reinforcing the importance of sun protection as the days start to shorten. Interestingly, the index has decreased from the extreme levels witnessed in June and July, where it peaked at an 11. As autumn approaches, the UV Index will continue to trend downwards, making September a pivotal month for balancing sun enjoyment with safety. For more information on UV levels and their implications, visit Iskenderun UV Index.

Maximum UV Index Levels in Iskenderun for September

The chart shows the monthly maximum UV Index (UVI) for Iskenderun 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 Iskenderun typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4579101111108743
Data source: Iskenderun 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 Iskenderun

In September, Iskenderun basks in the golden embrace of 348 hours of sunshine, making it a delightful transition from the sweltering summer months. As the year progresses, sunshine hours peak in July with an impressive 416 hours, but by September, the days start to cool off, yet remain bright and inviting. This gradual decline in sunlight from the summer's height reflects a shift towards the softer light of autumn, offering a pleasant ambiance for both locals and visitors. With 394 hours in May and 403 hours in June, the summer months set a vibrant tone, while September continues to offer ample sunshine, inviting exploration and outdoor activities before the cooler months approach.

Monthly Sunshine Duration in Iskenderun: September Highlighted

The September sunshine duration represents the total number of hours Iskenderun 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.
JanFebMarAprMayJunJulAugSepOctNovDec197h254h321h340h394h403h416h389h348h316h272h238h
Data source: Iskenderun September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Iskenderun During September

As September rolls into Iskenderun, Turkey, the likelihood of sunny weather remains notably high, with a robust 84% chance of sunshine. This marks a slight dip from the blistering heat of July and August, which boast a stunning 92% probability of clear skies. However, September's weather offers a delightful transition into autumn while still retaining the warmth of summer. Compared to earlier months such as June and May, when sunny days were slightly less frequent, September's sun-soaked days provide a perfect opportunity for outdoor activities and soaking in the remaining rays of the season. As the year progresses towards October, where the chances drop to 79%, September distinctly stands out as a still-bright bridge between the scorching summer and the cooler fall months.

Percentage of Sunny Days in September in Iskenderun

The chart illustrates the percentage of sunny days in Iskenderun 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 Iskenderun experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%64%56%56%82%89%92%92%84%79%59%45%
Data source: Iskenderun September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Iskenderun in September

As the summer months wind down in Iskenderun, Turkey, September marks a gentle transition, with daylight lasting 12 hours each day. This month sits comfortably between the longer days of summer—where daylight peaked at 14 hours from June to August—and the shorter days that follow in autumn. As daylight durations gradually decrease from June's peak, one can observe a smooth decline through August and into September, setting the stage for the cozy atmospheres of October and November. The rhythm of the seasons in Iskenderun not only highlights the city's geographical charm but also creates a fleeting yet beautiful canvas of changing light throughout the year.

Average Daylight Hours in Iskenderun for September

The chart illustrates the variation in daylight duration in Iskenderun throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 57m10h 50m11h 58m13h 8m14h 7m14h 36m14h 21m13h 29m12h 22m11h 13m10h 12m9h 41m
Data source: Iskenderun daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Iskenderun

In September, Iskenderun experiences a gentle breeze with an average wind speed of 2.3 m/s (5 mph), maintaining a consistent flow that reflects the late summer atmosphere. This month, like those preceding it from June to August, showcases a moderate increase in wind speeds, peaking in July at 2.7 m/s (6 mph), before tapering off slightly in September. As the summer heat begins to wane, the wind offers a refreshing touch, hinting at the transition into autumn. Overall, wind patterns from January through September reveal a gradual increase toward mid-year, followed by a subtle decline in the autumn months, promising a dynamic yet comfortable coastal climate in this charming Turkish locale.

Average September Wind Speed in Iskenderun

The chart displays monthly wind speed patterns in Iskenderun, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.41.92.32.02.22.62.72.42.3 m/s1.81.72.2
Data source: Iskenderun September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Iskenderun Compares to Other Months

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

September and January present stark contrasts in weather patterns. In September, temperatures can rise dramatically, ranging from a mild 16°C (62°F) at night to a scorching 41°C (107°F) during the day, with an average of 26°C (80°F). The month experiences minimal rainfall, totaling just 12 mm (0.5 in) over about 3 days, contributing to a relatively low humidity of 42%. In contrast, January sees much cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 20°C (68°F), averaging just 9°C (48°F). Precipitation is significantly higher at 124 mm (4.9 in) spread over approximately 11 days, and humidity rises to a damp 76%. For more details about the weather in January, visit Iskenderun weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range significantly from a minimum of 16°C (62°F) to a scorching maximum of 41°C (107°F), with an average of 26°C (80°F). The month sees relatively low precipitation of just 12 mm (0.5 in) over about three days and has a more comfortable humidity level of 42%. In contrast, February experiences much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 21°C (70°F), averaging around 11°C (51°F). This month is also wetter, receiving 84 mm (3.3 in) of rain over approximately ten days, and the humidity soars to 77%. For a more detailed view of the weather during this time, you can refer to Iskenderun weather in February.

September and March present stark contrasts in weather conditions. In September, temperatures range from a mild 16°C (62°F) at night to a scorching high of 41°C (107°F), with an average temperature of 26°C (80°F). The month experiences minimal rainfall, totaling only 12 mm (0.5 in) spread over three days and maintaining a relatively low humidity of 42%. Conversely, March is much cooler, with temperatures dipping to a minimum of 0°C (32°F) and reaching a maximum of 27°C (81°F), averaging around 13°C (55°F). Rainfall is significantly higher during this month, with 109 mm (4.3 in) of precipitation over twelve days and a much higher humidity level of 73%. For more detailed information, check out Iskenderun weather in March.

The weather in September is characterized by significantly warmer temperatures, with a minimum of 16°C (62°F), an average of 26°C (80°F), and a maximum reaching up to 41°C (107°F). In contrast, April sees much cooler temperatures, ranging from a minimum of 7°C (45°F) to an average of 17°C (62°F), with a maximum of 31°C (88°F). Additionally, September experiences low precipitation, averaging only 12 mm (0.5 in) over about 3 days, while April is notably wetter, receiving 64 mm (2.5 in) of rain distributed over 10 days. Humidity levels are also higher in April at 66%, compared to the more comfortable 42% in September. For a detailed look at the weather, check out Iskenderun weather in April.

In comparing the weather between September and May, September features higher average temperatures, ranging from a minimum of 16°C (62°F) to a maximum of 41°C (107°F), while May has cooler temperatures, with a minimum of 12°C (53°F) and a maximum of 36°C (97°F). Additionally, September tends to be drier, receiving only 12 mm (0.5 in) of precipitation over 3 days, compared to May, which experiences significantly more rainfall at 37 mm (1.5 in) over 5 days. Humidity levels are also notably different, with September at 42%, and May much higher at 68%. For a detailed look at the weather in May, you can visit Iskenderun weather in May.

In comparing the weather of September and June, we can see some notable differences. September typically sees higher temperatures, with a minimum of 16°C (62°F), an average of 26°C (80°F), and a maximum that can reach up to 41°C (107°F). In contrast, June has slightly cooler temperatures, with a minimum of 14°C (57°F) and a maximum of 37°C (98°F), making it a bit milder overall. Rainfall is somewhat similar in both months, with September experiencing 12 mm (0.5 in) of precipitation across 3 days, while June has slightly more, at 15 mm (0.6 in) across 4 days. Additionally, June has a higher humidity level at 52%, compared to September's 42%, which can make June feel more muggy. For a detailed look at weather conditions, you can visit Iskenderun weather in June.

When comparing the weather in September and July, notable differences emerge in temperature and precipitation. In September, the minimum temperature is slightly cooler at 16°C (62°F) compared to July's minimum of 20°C (67°F), while the average temperature in September is slightly lower at 26°C (80°F) versus July's 28°C (83°F). However, September can reach higher extremes, with a maximum of 41°C (107°F), compared to July's peak of 39°C (103°F). Precipitation is more frequent in September, occurring over 3 days with a total of 12 mm (0.5 in), while July experiences only 1 day of rain totaling 6 mm (0.2 in). Humidity levels are similar, with September at 42% and July at 43%. For more specific details about July weather, you can check out Iskenderun weather in July.

Comparing the weather conditions between August and September reveals some noteworthy differences. In September, temperatures range from a minimum of 16°C (62°F) to a maximum of 41°C (107°F), with an average of 26°C (80°F). This is a bit cooler on average compared to August, which has temperatures ranging from a minimum of 21°C (70°F) to a maximum of 40°C (105°F) and an average of 28°C (83°F). Additionally, September experiences slightly more precipitation, totaling 12 mm (0.5 in) over three days, compared to just 7 mm (0.3 in) over one day in August. Notably, the humidity is marginally higher in September at 42%, compared to 37% in August. For those interested in more detailed insights, you can visit Iskenderun weather in August.

September and October present a noticeable shift in weather conditions. In September, temperatures range from a minimum of 16°C (62°F) to a scorching maximum of 41°C (107°F), with an average of 26°C (80°F). The month experiences minimal rainfall, totaling only 12 mm (0.5 in) over three days, and humidity stands at 42%. In contrast, October brings cooler temperatures, with a minimum of 11°C (51°F) and a maximum of 34°C (94°F), averaging 22°C (73°F). Precipitation increases to 34 mm (1.3 in) over four days, and humidity rises to 56%. This transition marks a gradual retreat from the intense summer heat. For more details, visit Iskenderun weather in October.

September and November present a stark contrast in weather conditions. In September, temperatures range from a mild minimum of 16°C to a scorching maximum of 41°C, with an average of 26°C, and the humidity sits at a relatively low 42%. Precipitation is minimal, with only about 12 mm recorded over just three days. In contrast, November sees a significant drop in temperatures, with minimums around 6°C and maximums reaching 28°C, leading to a much cooler average of 16°C. This month also experiences increased precipitation, totaling around 45 mm over seven days, and higher humidity at 69%. For a deeper look at November weather specifically, visit Iskenderun weather in November.

In September, the weather is significantly warmer, with average temperatures around 26°C (80°F) and highs reaching up to 41°C (107°F), accompanied by lower humidity at 42%. Precipitation is minimal, with only 12 mm (0.5 in) recorded over just three days. In contrast, December brings much cooler temperatures, with averages dropping to 12°C (53°F) and maximums of 22°C (72°F). This month sees a substantial increase in rainfall, totaling 124 mm (4.9 in) over approximately 13 days, along with higher humidity levels at 80%. For more detailed information, you can explore Iskenderun weather in December.

Compare Iskenderun's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Iskenderun

In September, Iskenderun experiences a delightful transition, marked by warm temperatures that average around 26°C (80°F), making it notably warmer than the cooler months that precede it. The peak of heat can reach up to 41°C (107°F), creating a distinct summer vibe that gradually gives way to milder autumn days. With only a handful of rainy days, averaging just 12 mm (0.5 in) of precipitation, the humidity remains relatively comfortable at 42%, contrasting sharply with the more humid days of summer. This unique blend of warmth and lower precipitation signals a perfect time to enjoy outdoor activities before the cooler months set in. For a deeper dive into Iskenderun's yearly weather patterns, check out Iskenderun Climate.