Last updated: February 6, 2025
Experience the delightful September weather in Skiathos, where the maximum temperature reaches a comfortable 29°C (84°F), creating a perfect backdrop for outdoor adventures. With an average temperature of 24°C (75°F) and a refreshing minimum of 17°C (63°F), guests can enjoy warm days and cool evenings. Although the month sees a total precipitation amount of 62 mm (2.5 in) across just 4 days, the overall humidity remains at a moderate 58%, enhancing the pleasant atmosphere. Whether you’re strolling along sun-kissed beaches or exploring the island’s charming villages, Skiathos in September offers a fantastic climate to savor the last days of summer.
As summer transitions to autumn, Skiathos enjoys a delightful September climate characterized by mild warmth and refreshing breezes. With minimum temperatures hovering around 17°C (63°F) and daytime highs reaching up to 29°C (84°F), the weather remains inviting for sun-seekers and outdoor enthusiasts alike. The average temperature settles at a comfortable 24°C (75°F), marking it as one of the year's most enjoyable months. As the peak summer heat begins to wane, visitors can revel in a more temperate atmosphere, perfect for exploring the island's stunning beaches and vibrant culture, all while basking in the lingering sunshine before the cooler months arrive.
September marks a transition into the autumn season in Skiathos, Greece, with a notable increase in precipitation compared to the summer months. Receiving 62 mm (2.5 in) of rain across an average of 4 days, this month experiences a shift from the dry heat of July and August, which had only 2 days of rain and minimal precipitation. This uptick indicates a gradual change in the climate, as September serves as a precursor to the wetter months ahead. Despite the increase, the rainfall remains moderate, allowing visitors to enjoy the lingering warmth while being prepared for the occasional shower. As the island gears up for October, with its 83 mm (3.3 in) forecast, September gently ushers in a new rhythm of weather, promising refreshing changes amidst the stunning natural beauty of Skiathos.
In September, Skiathos experiences a noticeable increase in humidity, rising to 58% after the drier months of July and August, where humidity levels dipped to their lowest points at 57% and 51%, respectively. This mid-transition marks the shift from the summer heat as the region prepares for the arrival of autumn. While September's humidity is still relatively comfortable compared to the winter months, where levels peak at 82% in January, it signifies a gradual return to the higher humidity levels typical of the upcoming season. Overall, the trend illustrates a summer that starts off dry and inviting, gradually giving way to the wetter, more humid conditions that characterize the fall and winter months in this beautiful Greek island.
As summer draws to a close, September's UV Index in Skiathos, Greece, remains notably high at 8, categorized as very high. This marks a slight decline from the peak intensity experienced in the height of summer, where the UV Index reached a maximum of 10 in June, July, and August. Despite this decrease, the burn time stays brief at just 15 minutes, emphasizing the need for sun protection. Visitors in September can still bask in the warm Mediterranean sun, but they should remain vigilant against overexposure as the changing season doesn't signal a complete retreat of powerful UV rays. For more detailed insights on UV levels throughout the year, check out Skiathos UV Index.
UV Risk Categories
As summer gracefully transitions into early autumn, September in Skiathos, Greece continues to bask in plenty of sunshine, boasting an impressive 346 hours of bright daylight. This is a gentle decline from the peak summer months, where July shines with 426 hours of sunlight, creating a vibrant atmosphere ideal for beachgoers and adventurers alike. While August still holds a strong position with 397 hours, September offers a unique charm, with warm seas and fewer crowds. The pleasant weather, combined with a still-abundant supply of sunshine, makes this month a hidden gem for travelers seeking both relaxation and exploration. With the sun still shining brightly, it's the perfect time to soak in the beauty of this stunning island before the days cool off as October approaches.
In Skiathos, Greece, September showcases a 64% chance of sunny weather, marking a delightful transition from the summer peak. After enjoying the 90% likelihood of sunshine in both July and August, visitors can still bask in warm golden rays as the summer fades. Though this month sees a slight dip in sunshine compared to the high summer months, it remains significantly above the averages of the earlier and later months. As autumn approaches, travelers can expect comfortable temperatures and plenty of sunny days, making September a lovely time to visit this stunning island while still enjoying the lingering warmth of summer.
As summer wanes, September in Skiathos, Greece, offers a gentle transition in daylight, with about 12 hours of sunlight. This marks a gradual decline from the peak of 14 hours experienced in the busy warmer months of June, July, and August. As the month progresses, the days shorten, nudging us towards autumn as daylight reduces by an hour by the end of the month. Despite this decrease, September still enjoys a pleasant glow that allows for ample time to bask on the beautiful beaches and explore the island’s picturesque landscapes, reminding us that while summer may be fading, the charm of Skiathos remains ever-present.
As summer transitions into autumn, September in Skiathos witnesses a gentle rise in wind speed, averaging 5.4 m/s (12 mph). This increase marks a notable shift from the calmer summer months, where winds dwindle to their lowest around June and July. As the sun begins to dip lower in the sky, the sea breezes become more pronounced, creating a more invigorating atmosphere for this beautiful Greek island. Interestingly, October sees another uptick to 6.6 m/s (15 mph), suggesting that the winds continue to invigorate the landscape as it welcomes the onset of fall. Overall, September strikes a perfect balance, offering visitors a refreshing blend of warmth and breezy charm, a delightful prelude to the varying wind patterns of the coming months.
The weather in Skiathos changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Skiathos and find detailed weather information for every month.
In September, the weather is generally warm, with average temperatures around 24°C (75°F) and highs reaching up to 29°C (84°F). The month features relatively low precipitation, totaling 62 mm (2.5 inches) over approximately four days, and the humidity is at a comfortable 58%. In contrast, January brings much cooler conditions, with average temperatures dropping to 11°C (52°F) and maximums reaching only 18°C (64°F). This month sees significantly higher precipitation, totaling 117 mm (4.6 inches) over about twelve days, and increased humidity at 82%. For more details on the January weather, you can refer to Skiathos weather in January.
September and February present stark contrasts in weather patterns. In September, temperatures comfortably range from a minimum of 17°C (63°F) to a maximum of 29°C (84°F), with an average of 24°C (75°F), making it a warm month. The humidity is relatively moderate at 58%, and precipitation is lower, averaging 62 mm (2.5 in) over just 4 days. In contrast, February sees a significant drop in temperature, with averages around 12°C (54°F), peaking at 17°C (64°F) and dropping as low as 4°C (39°F). This month is wetter, with higher precipitation levels of 95 mm (3.7 in) spread over 10 days, and a noticeable increase in humidity at 78%. For those interested in a more detailed look at February weather, you can refer to Skiathos weather in February.
September and March present distinctly different weather patterns. In September, temperatures are warm, ranging from a minimum of 17°C (63°F) to a maximum of 29°C (84°F), with an average of 24°C (75°F). The month sees relatively low precipitation, totaling 62 mm (2.5 in) over just four days, and the humidity is moderate at 58%. In contrast, March features much cooler temperatures, with minimums around 3°C (37°F) and maximums peaking at 19°C (66°F), resulting in an average of 12°C (55°F). This month experiences higher rainfall, accumulating 82 mm (3.2 in) over nine days, with increased humidity at 76%. For more insights into March's weather, you can visit Skiathos weather in March.
In comparing the weather of September and April, it’s evident that September enjoys warmer temperatures, with a minimum of 17°C (63°F) and an average of 24°C (75°F), while April's temperatures are significantly cooler, starting at a minimum of 7°C (46°F) and averaging just 14°C (58°F). Both months receive similar amounts of precipitation—62 mm (2.5 in) in September and 62 mm (2.4 in) in April—though April experiences rain on more days, totaling 6 compared to September's 4. Additionally, April has a higher humidity level at 70%, compared to September's 58%. For more detailed information, you can check out Skiathos weather in April.
September typically offers warmer temperatures compared to May, with minimums around 17°C (63°F) and average highs of 29°C (84°F), making it a pleasant time for outdoor activities. In contrast, May's temperatures range from a minimum of 13°C (56°F) to an average maximum of 25°C (77°F), providing a cooler atmosphere. Precipitation levels are higher in September, with 62 mm (2.5 in) over four days, compared to May's 31 mm (1.2 in) across the same number of days. Additionally, humidity is generally lower in September at 58%, while May enjoys a slightly more humid environment at 71%. For more details on the climate during this month, check out Skiathos weather in May.
When comparing the weather in September to that of June, both months feature similar maximum temperatures, with September reaching up to 29°C (84°F) and June peaking at 29°C (85°F). However, September tends to be a bit warmer on average, with temperatures averaging about 24°C (75°F) compared to June's 23°C (73°F). In terms of precipitation, September is notably wetter, receiving 62 mm (2.5 in) over about 4 days, whereas June has much less at 22 mm (0.9 in) over just 2 days. Humidity levels are fairly consistent, with September at 58% and June slightly higher at 61%. To explore more about June weather specifically, you can check out Skiathos weather in June.
In comparing the weather between September and July, September tends to be slightly cooler, with a minimum temperature of 17°C (63°F) and an average of 24°C (75°F), while July's temperatures range from a minimum of 20°C (69°F) to an average of 25°C (78°F). Both months experience minimal rainfall, with September receiving 62 mm (2.5 in) over 4 days and July having 58 mm (2.3 in) in just 2 days. Humidity levels are quite similar, sitting at 58% for September and 57% for July. For more detailed information on July weather, check out Skiathos weather in July.
In comparing the weather of September to August, we can see distinct differences in temperature and precipitation patterns. September experiences cooler temperatures with a minimum of 17°C (63°F) and an average of 24°C (75°F), while August is warmer, featuring a minimum of 21°C (71°F) and an average of 26°C (79°F). The maximum temperatures also differ significantly, with September reaching up to 29°C (84°F) compared to August's maximum of 33°C (91°F). Additionally, September sees more precipitation, totaling 62 mm (2.5 in) over 4 days, whereas August is relatively drier with only 26 mm (1.0 in) over just 2 days. Humidity levels are also slightly higher in September at 58% compared to 51% in August. For more details on August weather, check out Skiathos weather in August.
In September, temperatures begin to cool down slightly, with a minimum of 17°C (63°F) and an average of 24°C (75°F), peaking at a maximum of 29°C (84°F). The month typically sees about 62 mm (2.5 in) of precipitation over approximately 4 days and maintains a humidity level of 58%. In contrast, October experiences further cooling, with temperatures dropping to a minimum of 14°C (58°F) and an average of 20°C (68°F), maxing out at 26°C (79°F). This month also brings increased precipitation, averaging 83 mm (3.3 in) over 8 days, while humidity rises to 73%. For more details on weather conditions, check out Skiathos weather in October.
September generally offers warmer and more pleasant weather compared to November. With minimum temperatures around 17°C (63°F) and average highs reaching up to 29°C (84°F), September is characterized by relatively low precipitation at 62 mm (2.5 in) over just four days, and a comfortable humidity level of 58%.
In contrast, November experiences cooler temperatures, with a minimum of 9°C (49°F) and an average of 16°C (62°F). This month sees increased precipitation at 80 mm (3.1 in) over 11 days, along with higher humidity at 79%, creating a noticeably different climate. For more detailed insights, you can check Skiathos weather in November.
The weather in September is significantly warmer than in December, with average temperatures reaching 24°C (75°F) compared to just 13°C (56°F) in December. September experiences milder conditions with a minimum temperature of 17°C (63°F) and less precipitation, totaling 62 mm (2.5 in) over approximately 4 days. In contrast, December sees a notable drop in temperatures, with minimums dipping to 7°C (45°F) and a higher precipitation level of 117 mm (4.6 in) spread over 11 days, resulting in increased humidity at 81%. For more on December's climate, you can check out Skiathos weather in December.
As summer gracefully transitions into fall, September in Skiathos offers a delightful blend of warmth and gentle breezes. With pleasant temperatures hovering around the mid-20s °C, this month is distinguishable from the peak summer heat, presenting a more comfortable environment for exploration and relaxation. While occasional rain may appear, with just a few days of precipitation, the overall humidity remains moderate, ensuring that the island's beautiful landscapes are still vibrant and inviting. If you're considering a visit, September is a perfect time to enjoy the tranquil charm of Skiathos, and for more detailed insights, check out Skiathos Climate.