Last updated: February 6, 2025
In September, Ios experiences delightful weather, with maximum temperatures reaching 27°C (81°F) and an average of 23°C (74°F), ensuring a comfortable climate for visitors. The minimum temperature dips to 19°C (67°F), providing a pleasant evening ambiance. With practically no precipitation recorded—just 3 mm (0.1 in) over the entire month and 0 days of rain—the island boasts stunning, clear skies. The humidity levels hover around 70%, contributing to a refreshing coastal experience. Perfect for exploring the island's beauty, September is an ideal time to enjoy all that Ios has to offer.
As September graces Ios, Greece, the island enjoys a delightful transition from the summer heat. With minimum temperatures around 19°C (67°F) and averages reaching 23°C (74°F), the weather remains comfortably warm, perfect for beach lounging and sunset strolls. Max temperatures peak at 27°C (81°F), offering a few last chances to bask in the sun before autumn sets in. The mild evenings, coupled with the diminishing summer crowds, create an inviting atmosphere for those looking to savor the beauty of the island in a more serene setting. Overall, September strikes a wonderful balance, ensuring visitors can relish both the warmth of summer and the gentle onset of fall.
In September, Ios, Greece, experiences a significant dip in precipitation, receiving only 3 mm (0.1 in) across the month, which falls in line with the generally dry conditions of summer. Remarkably, there are no recorded precipitation days, reflecting the continuation of the arid patterns seen from July and August. This trend indicates that as summer winds down, visitors can enjoy near-perfect skies and sun-soaked beaches without the interruption of rain. The minimal rainfall in September sets the stage for the occasional showers of October, while simultaneously inviting travelers to savor the island’s natural beauty in the warm, lingering sun of late summer.
As summer fades, September in Ios, Greece, brings a slight increase in humidity, averaging around 70%. This is a gentle shift from the drier months of July and August, which recorded humidity levels at 71% and 66%, respectively. The transition signals a return to more typical moisture levels seen earlier in the year, hovering around 77% in the winter months. While September’s humidity is notably lower than the peak in May at 81%, it remains comfortably temperate, setting the stage for a pleasant early autumn. As the month progresses, locals and visitors alike can enjoy the lingering warmth without the oppressive humidity often associated with peak summer.
During September in Ios, Greece, the UV Index reaches a significant level of 8, categorizing it as very high and resulting in a burn time of just 15 minutes. This marks a slight decline from the peak summer months of July and August, where the UV Index consistently hit 10. As summer fades into fall, visitors should still exercise caution under the sun, especially during midday hours when exposure can be most intense. Although it’s a noticeable dip, the UV levels remain elevated compared to earlier months, reminding us that sun protection is essential this time of year. For more detailed insights, check out the Ios UV Index.
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As summer fades into autumn, September in Ios, Greece still boasts an impressive 350 hours of sunshine. This month, while slightly less sunny than the peak of summer in July, continues to offer a radiant warm glow, reminiscent of the vibrant days of August with its 397 hours. From January's modest 215 hours to the sun-drenched heights reached in the heart of summer, the trend unmistakably shows a gradual increase in sunlight, peaking mid-year before gently tapering off. As the weather cools and the crowds thin out, September remains a delightful transition month, providing a perfect blend of warmth and tranquility for those seeking to unwind under a golden sun.
September in Ios, Greece, boasts a high likelihood of sunny weather, with a striking 94% chance of sunshine. This trend follows the peak summer months, where July and August shine with 99% and 100% certainty of clear skies, respectively. As the summer transitions into autumn, September maintains residual warmth and brightness, making it an ideal time for beach lovers and outdoor adventurers. With the sunny days gradually tapering off into October's 74% chance, visitors can still relish abundant sun before the cooler months set in. Overall, September stands out as a remarkable slice of summer’s glory, inviting you to bask in Ios's radiant charm.
As summer gradually gives way to autumn in Ios, Greece, September marks a transition in daylight duration, offering around 12 hours of sunshine each day. This decline, contrasted with the peak of 14 hours seen in the summer months of June through August, signals the onset of shorter days as the year progresses. Despite this reduction, September remains a vibrant time, enjoying more light than the months ahead—October and November will bring even less sun, with only 11 and 10 hours respectively. Thus, September serves as a delightful bridge, blending the warm glow of summer with the cooler, crisper days of fall, allowing visitors to soak in the enchanting Mediterranean atmosphere before the nights grow longer.
As September sweeps into Ios, Greece, the winds pick up, with an average speed of 8.1 m/s (18 mph), making it one of the breeziest months of the year. This increase follows a relatively calm summer, where June and July recorded their lowest wind speeds of 5.1 m/s (11 mph) and 8.0 m/s (18 mph), respectively. Notably, September's winds hint at a shift in the season, echoing January and December's similar velocities. As the summer heat wanes, these invigorating gusts not only refresh the air but also beckon adventurers to embrace the island's stunning landscapes and vibrant ambiance. With the wind's encouraging presence, September in Ios is a perfect blend of warmth and adventure, inviting travelers to explore the island's hidden gems.
The weather in Ios 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 Ios and find detailed weather information for every month.
September and January exhibit dramatically different weather patterns. In September, temperatures are warm with a minimum of 19°C (67°F), an average of 23°C (74°F), and a maximum of 27°C (81°F), accompanied by minimal rainfall of just 3 mm and a humidity level around 70%. In stark contrast, January sees much cooler temperatures with a minimum of 4°C (39°F), an average of 13°C (56°F), and a maximum of 20°C (68°F). This month experiences significantly higher precipitation at 88 mm over 12 days, along with increased humidity at 77%. For further details, check out Ios weather in January.
September and February present stark contrasts in weather. September boasts milder temperatures, with a minimum of 19°C (67°F), averaging 23°C (74°F), and a maximum of 27°C (81°F), accompanied by minimal precipitation of just 3 mm (0.1 in) and low humidity at 70%. In contrast, February's temperatures drop significantly, featuring a minimum of 7°C (44°F) and an average of 14°C (57°F), peaking at 18°C (65°F). Additionally, February experiences much higher precipitation, totaling 57 mm (2.3 in) over around 8 days, with humidity rising to 76%. For a more detailed look at weather patterns, check Ios weather in February.
In comparing the weather of September and March, it's evident that September is significantly warmer, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 27°C (81°F). The month boasts minimal precipitation, with only 3 mm (0.1 in) and no rainy days, alongside a comfortable humidity level of 70%. Conversely, March experiences much cooler temperatures, with averages between 6°C (43°F) and 18°C (65°F). This month sees a higher rainfall of 42 mm (1.7 in) spread over 7 days, and the humidity is slightly higher at 77%. For a detailed look at the weather conditions during March, you can visit Ios weather in March.
September and April exhibit distinct weather patterns that highlight the transition from late summer to early spring. In September, temperatures range from a minimum of 19°C (67°F) to a comfortable maximum of 27°C (81°F), with minimal precipitation of just 3 mm (0.1 in) over the entire month, resulting in dry conditions and a humidity level of 70%. Conversely, April experiences cooler temperatures, averaging 16°C (61°F) with a minimum of 10°C (51°F) and a maximum of 20°C (69°F). This month sees more precipitation, totaling 15 mm (0.6 in) over two rainy days, coupled with slightly higher humidity at 77%. Overall, September offers a warm, dry climate perfect for outdoor activities, while April brings cooler temperatures and the potential for rain, making it a time of renewal. For more details on April weather, check out Ios weather in April.
In comparing the weather of September and May, we see a notable difference in temperature. September boasts a warmer range, with minimums of 19°C and maximums reaching 27°C, while May features slightly cooler temperatures, with minimums at 15°C and maximums at 23°C. Precipitation levels are low for both months, with only 3 mm in September and 4 mm in May, and neither month experiencing any rainy days. Additionally, humidity is slightly higher in May at 81%, compared to 70% in September, contributing to the overall feel of the month. For more details, check out Ios weather in May.
In comparing the weather between September and June, we find that both months experience similar temperature ranges, with September averaging slightly higher at 23°C (74°F) compared to June's average of 22°C (73°F). Both months also reach a max of 27°C (81°F), offering warm days suitable for outdoor activities. However, September enjoys a drier climate with no recorded precipitation, while June experiences just a slight amount of rain over one day. Humidity is notably higher in June at 77%, compared to September's 70%, which may make June feel a bit more humid and sultry. For more details on June's weather, you can visit Ios weather in June.
In comparing the weather between July and September, July tends to be slightly warmer, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 28°C (83°F). In contrast, September features cooler temperatures, averaging a minimum of 19°C (67°F) and a maximum of 27°C (81°F). Both months are characterized by low precipitation, with July experiencing no rainfall and September receiving only 3 mm (0.1 in) over the entire month. Humidity levels remain relatively consistent, hovering around 70% in September and 71% in July. For more detailed insights into July weather specifically, you can refer to Ios weather in July.
September weather in Ios tends to be slightly cooler than August, showcasing a minimum temperature of 19°C (67°F) compared to August's 22°C (72°F). The average temperatures are also lower in September at 23°C (74°F) versus 25°C (77°F) in August, while the maximums reach 27°C (81°F) in September, down from 29°C (85°F) in August. Additionally, September experiences minimal precipitation at just 3 mm (0.1 in) over the course of 0 days, much like August, which recorded only 1 mm (0.0 in) also with 0 rainy days. Humidity in September is slightly higher at 70% compared to August's 66%, contributing to a more comfortable atmosphere as summer draws to a close. For more insights on the weather, check out Ios weather in August.
In September, the weather is warm and generally dry, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 27°C (81°F) and only 3 mm of precipitation over the month. The humidity sits comfortably at around 70%, making it a pleasant time to be outdoors. In contrast, October sees a slight drop in temperatures, with averages between 15°C (60°F) and 26°C (79°F), and a notable increase in precipitation, totaling 18 mm over three days. Additionally, humidity rises to 76%, contributing to a more humid feel. For a deeper look at what to expect, check out Ios weather in October.
In comparing the weather between September and November, it's evident that September offers warmer temperatures, with a minimum of 19°C (67°F) and an average of 23°C (74°F), while November sees a drop with a minimum of 12°C (55°F) and an average of 18°C (65°F). Additionally, September experiences very little precipitation, averaging only 3 mm (0.1 in) with no rainy days, compared to November’s significantly wetter conditions, which bring 48 mm (1.9 in) over six days. Humidity levels also rise slightly from 70% in September to 77% in November, contributing to the cooler, more overcast atmosphere typically felt during the latter month. For more detailed information, you can check out Ios weather in November.
September weather is characterized by warmer temperatures, with an average of 23°C (74°F) and highs reaching up to 27°C (81°F). The month is relatively dry, experiencing little to no precipitation and maintaining a moderate humidity level of 70%. In contrast, December sees a significant drop in temperature, with averages around 15°C (60°F) and highs of only 20°C (68°F). This month is much wetter, with a total precipitation of 82 mm (3.2 in) spread over 13 days, and humidity levels increase slightly to 78%. For more detailed information on December weather, check out Ios weather in December.
September in Ios offers a delightful transition into autumn, as the weather remains pleasantly warm but less intense compared to the peak summer months. With average temperatures hovering around 23°C (74°F), visitors can still enjoy the mild climate without the sweltering heat. Notably, rainfall is virtually non-existent, with only 3 mm recorded throughout the month, making it an ideal time for outdoor activities. The humidity stays around 70%, adding a touch of warmth to the evenings. As the summer crowds begin to thin, September presents the perfect opportunity to explore the island in a more tranquil setting. For a deeper understanding of what to expect weather-wise, check out the details on Ios Climate.