Last updated: August 21, 2025
Experience the delightful September weather in Koroni, Greece, where temperatures typically range from a minimum of 19°C (66°F) to a maximum of 30°C (85°F), with an average hovering around 25°C (76°F). This beautiful coastal town enjoys a moderate humidity level of 66%, creating a pleasant atmosphere for outdoor activities. While mostly sunny, expect about 40 mm (1.6 in) of precipitation over approximately 3 days, offering refreshing breaks in the warm weather. Embrace the charm of early autumn in Koroni, where the climate is perfect for exploration and relaxation alike.
In September, Koroni, Greece, experiences a delightful transition as summer begins to wane. With minimum temperatures averaging around 19°C (66°F) and reaching a comfortable maximum of 30°C (85°F), this month offers a perfect blend of warmth and crisp autumn air ideal for outdoor activities. The average temperature settles at 25°C (76°F), making it an inviting time for visitors who seek to enjoy the sun-kissed beaches and explore the charming town. Compared to the preceding months of peak summer heat, September provides a gentle reprieve, showcasing the area's stunning landscapes under pleasantly warm conditions. This transitional period is not only about shifting temperatures but also about indulging in the rich local culture and leisure opportunities that Koroni has to offer before the cool embrace of fall sets in.
In September, Koroni, Greece, experiences a notable shift in its precipitation patterns as summer gives way to autumn. With 40 mm (1.6 in) of rainfall occurring over just 3 days, this marks an increase compared to the parched months of July and August, which saw virtually no rain. This uptick suggests the onset of a wetter season, as the amount of rainfall in September sets the stage for the more substantial downpours typical in October and November, where totals can reach 71 mm (2.8 in) and 148 mm (5.8 in), respectively. The transition toward fall not only brings relief from the summer heat but also rejuvenates the region’s natural landscape, setting a vibrant tone for the months ahead.
As summer fades into autumn, September in Koroni, Greece, experiences a notable decrease in humidity, settling at a comfortable 66%. This marks the lowest humidity level of the year, following the peak of 79% in May and a gradual decline from the humid days of July and August. The shift in moisture levels not only enhances the pleasantness of the weather but also signals the transition toward cooler, crisper days. As temperatures begin to drop and the landscape shifts, September offers a refreshing reprieve, inviting visitors to enjoy the beauty of this coastal town with a more temperate atmosphere.
As September rolls in Koroni, Greece, the UV Index remains impressively high at 8, categorizing exposure as very high with a burn time of just 15 minutes. This marks a slight decrease from the peak summer months, where the UV Index hit a maximum of 10 in June, July, and August. However, the intensity is still significant, compelling visitors to take precautions while enjoying the sun-soaked beauty of this coastal gem. Emphasizing the gradual decline towards October's high index of 7, September stands out as a transitional month where the summer sun still commands respect. For detailed insights on UV levels throughout the year, you can explore the Koroni UV Index.
UV Risk Categories
As summer gracefully transitions into autumn, September in Koroni, Greece offers a delightful balance of sunny days, boasting 346 hours of sunshine. This month marks a gentle decline from the peak of summer in July, which dazzled with 421 hours of radiant light. While the sunshine hours may be waning in comparison to the sizzling days of June and July, September still outshines many months, including February's 271 hours and January’s chillier 214 hours. The warmth of early fall brings a lovely ambiance to this coastal town, inviting visitors to bask in the softer sunlight and enjoy the lingering warmth before the cooler months set in.
September in Koroni, Greece, offers a delightful 78% chance of sunny weather, making it a perfect time for sun-seekers and outdoor enthusiasts. As the summer months draw to a close, visitors can enjoy lingering warmth—evidenced by the impressive 95% chance of sunshine in July and 97% in August—while still benefiting from a slightly more tranquil atmosphere post-tourist peak. Compared to earlier autumn months, such as October with a 60% chance of sun, September remains a gem for those looking to bask in the Mediterranean sun before the cooler months set in. With this favorable likelihood of sunny days, September serves as an ideal backdrop for exploring the stunning beauty and rich history of Koroni.
As summer transitions into autumn, September in Koroni, Greece offers a delightful balance of daylight, with approximately 12 hours of sunlight. This month marks the gradual decline from the peak summer brightness, where June, July, and August sustain 14 hours of sun-filled days. As the year progresses, daylight diminishes, dropping to 11 hours in October, but September still boasts more hours than the winter months, which see around 9 to 10 hours. The subtle shift in daylight not only hints at the approaching fall but also invites locals and visitors to enjoy lingering summer evenings, making September a beautiful time to experience the charm and warmth of Koroni.
As September wraps around the picturesque shores of Koroni, Greece, the gentle caress of the wind becomes a defining characteristic of the month. With an average wind speed of 4.3 m/s (10 mph), September marks a subtle decline from the summer breezes of August, reflecting a slight shift towards the calmness of autumn. This gradual decrease in wind speed, consistent with the trend observed over the summer months, reinforces the inviting atmosphere of the region. Travelers and locals alike can relish in the mellow winds that accompany warm days and cool evenings, setting the perfect backdrop for leisurely strolls along the coastline as the vibrant summer hues begin to transform.
Weather in Koroni varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Koroni, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather patterns. In September, temperatures range from a pleasant minimum of 19°C (66°F) to a warm maximum of 30°C (85°F), with an average of 25°C (76°F). This month sees relatively low precipitation at 40 mm (1.6 in) over just three days, accompanied by a humidity level of 66%. In stark contrast, January experiences much cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 20°C (68°F), resulting in an average of only 12°C (54°F). January is also characterized by significantly higher precipitation, totaling 160 mm (6.3 in) over 13 days, and a higher humidity of 76%. For a detailed look at what to expect, you can check Koroni weather in January.
September and February present quite contrasting weather conditions. In September, temperatures are generally warmer, with minimums around 19°C (66°F) and average highs reaching up to 30°C (85°F), alongside a moderate humidity level of 66%. Precipitation is relatively low, averaging just 40 mm (1.6 in) over about 3 days. In stark contrast, February experiences much cooler temperatures, with minimums dropping to 5°C (42°F) and maximums peaking at 18°C (64°F), along with increased rainfall of 82 mm (3.2 in) over approximately 9 days. The humidity also rises slightly to 73% during this month. For a more detailed look at the weather in February, check out Koroni weather in February.
When comparing the weather in September to that of March, significant differences emerge. September boasts warmer temperatures, with an average of 25°C (76°F) and highs reaching up to 30°C (85°F), while March is chillier, averaging only 13°C (56°F) with maximums of 18°C (65°F). Additionally, September experiences relatively low precipitation, with only 40 mm (1.6 in) over about 3 days, in contrast to March, which sees higher precipitation levels of 57 mm (2.3 in) spread across approximately 9 days. Humidity levels are also notable, as March tends to be more humid at 73%, compared to September's 66%. For a more detailed look at March conditions, you can refer to Koroni weather in March.
September and April present contrasting weather patterns, highlighting the transition from late summer to early spring. In September, temperatures are notably warmer, with a minimum of 19°C (66°F) and an average of 25°C (76°F), peaking at 30°C (85°F). The month experiences relatively low precipitation, with only 40 mm (1.6 in) over about three days, and humidity levels around 66%. In contrast, April is cooler, featuring a minimum temperature of 10°C (51°F) and an average of 16°C (61°F), with a maximum of 22°C (72°F). Rainfall is slightly less frequent, accumulating to 25 mm (1.0 in) over four days, but with higher humidity levels at 75%. For more details, you can check Koroni weather in April.
In comparing the weather of September and May, we can observe distinct differences in temperature and humidity patterns. September tends to be warmer, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 30°C (85°F) and an average of 25°C (76°F). In contrast, May sees cooler temperatures, with a minimum of 13°C (56°F) and an average of 19°C (67°F), while still reaching highs of 29°C (84°F). Additionally, September experiences higher humidity at 66% compared to May's 79%, although it has slightly more precipitation, totaling 40 mm (1.6 in) over three days versus May's 13 mm (0.5 in) over two days. For a closer look at the weather conditions specifically in May, you can refer to Koroni weather in May.
When comparing the weather in September and June, it's clear that both months offer warm temperatures, but with some differences. September typically has a slightly higher average temperature of 25°C (76°F) compared to June's average of 22°C (72°F). While June sees a maximum temperature of 31°C (88°F), September's maximum reaches only 30°C (85°F). Additionally, September experiences more precipitation with 40 mm (1.6 in) over 3 days, while June has only 26 mm (1.0 in) across 2 days. Humidity levels are higher in June at 75%, compared to September's 66%. For a more detailed look at June weather patterns, you can check Koroni weather in June.
In comparing the weather of September and July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 30°C (85°F), compared to July, which features a minimum of 21°C (69°F) and a maximum of 31°C (88°F). Additionally, September sees modest precipitation of about 40 mm (1.6 in), occurring over three days, while July remains mostly dry with only 5 mm (0.2 in) of rainfall over no days at all. Humidity levels are higher in July at 74%, compared to September's 66%, making July feel more humid overall. For a more detailed overview, you can check Koroni weather in July.
In comparing the weather of September and August, we see notable differences in temperature and precipitation. September experiences milder temperatures with a minimum of 19°C (66°F) and an average of 25°C (76°F), offering a slight respite from August's hotter conditions, which see a minimum of 23°C (74°F) and an average of 27°C (80°F). The maximum temperature in September is also lower at 30°C (85°F) compared to August's peak of 33°C (92°F). Additionally, September brings more precipitation, accumulating 40 mm (1.6 in) over three rainy days, whereas August remains mostly dry with only 2 mm (0.1 in) and no rainy days at all. Humidity levels are relatively similar, with September at 66% and August at 68%. For more detailed weather information for August, you can visit Koroni weather in August.
The weather in September is generally warmer than in October, with average temperatures reaching 25°C (76°F) compared to 21°C (70°F) in October. While September enjoys a maximum temperature of 30°C (85°F), October's peak only reaches 28°C (83°F). Precipitation increases in October, with 71 mm (2.8 in) of rain falling over 6 days, compared to just 40 mm (1.6 in) over 3 days in September. Humidity also rises slightly from 66% in September to 69% in October, making both months feel quite comfortable but suggesting a more noticeable shift towards the wetter autumn climate as the season progresses. For more details on October weather, you can check Koroni weather in October.
In September, the weather is noticeably warmer, with average temperatures around 25°C (76°F) and maximums reaching up to 30°C (85°F). This month typically experiences about 40 mm (1.6 in) of precipitation over just three days, resulting in a relatively comfortable humidity level of 66%. In contrast, November sees a marked drop in temperature, with average highs around 18°C (65°F) and minimums dipping to 12°C (55°F). Rainfall significantly increases to 148 mm (5.8 in) across about 12 days, leading to a higher humidity level of 73%. For a detailed overview of November weather, you can check Koroni weather in November.
In September, the weather is much warmer, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 30°C (85°F), and an overall average of 25°C (76°F). The month experiences relatively low precipitation of 40 mm (1.6 in) over just three days, along with humidity levels around 66%. In contrast, December brings significantly cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 19°C (67°F), leading to an average of just 15°C (59°F). Precipitation increases notably to 156 mm (6.1 in) over 16 days, accompanied by higher humidity at 75%. For a detailed look at December weather conditions, you can visit Koroni weather in December.
As summer transitions to autumn, September in Koroni offers a delightful shift in weather. With average temperatures hovering around a pleasant 25°C (76°F), this month invites visitors to bask in warmth without the peak summer heat. While occasional rain falls on about three days, the overall 40 mm of precipitation is minimal, allowing for plenty of sunshine in between. The humidity, sitting at a comfortable 66%, makes outdoor activities enjoyable, contrasting with the more oppressive conditions often felt in the height of summer. For those looking to escape the bustling crowds and enjoy a more temperate climate, September is truly a hidden gem. Discover more about the intriguing weather patterns by visiting Koroni Climate.