Last updated: January 24, 2025
Experience the allure of Mykonos in September, where warm days and clear skies invite exploration and relaxation. With maximum temperatures reaching 27°C (81°F) and a pleasant average of 23°C (74°F), the island offers ideal conditions for sun-seekers. Nighttime temperatures drop to a comfortable 19°C (66°F), perfect for enjoying evening strolls by the sea. This month boasts a remarkably low precipitation of just 5 mm (0.2 in) across 0 days, complementing the balmy 70% humidity that adds to the island's vibrant atmosphere. Discover why September is a prime time to indulge in the beauty this stunning destination has to offer.
In September, Mykonos enjoys a delightful transition into autumn, where temperatures are both warm and inviting. With a minimum of 19°C (66°F) and an average reaching 23°C (74°F), the weather is perfect for beach days and exploring the island's vibrant culture. The maximum temperature typically peaks at 27°C (81°F), ensuring that the summer warmth lingers just a little longer. As summer crowds begin to dwindle, September offers a sweet spot for visitors to soak in the sun without the sweltering heat of the high season. This month’s temperatures reflect a gentle decline from the summer highs of August, while still providing plenty of opportunities for outdoor adventures and leisurely strolls along Mykonos’ stunning coastlines.
September marks a subtle transition in Mykonos, Greece, as the summer heat begins to wane. With precipitation measuring just 5 mm (0.2 inches), the month is characterized by dry and pleasant weather, making it an appealing time for visitors to explore the island. Notably, September stands out with zero days of rain, following a traditionally parched summer. This limited rainfall is a stark contrast to the wetter months that surround it, such as October, which saw 20 mm (0.8 inches) last year. Overall, September offers a tranquil climate, allowing you to enjoy Mykonos's stunning landscapes and vibrant culture without disruption from the rain.
In September, Mykonos experiences a slight uptick in humidity, averaging around 70%, as summer winds down. This marks a subtle shift from the drier months of July and August, where humidity levels dipped to 71% and 66%, respectively. As the island transitions into autumn, the humidity levels align more closely with the spring averages of 77%, suggesting a gradual return to the more humid conditions characteristic of the earlier months in the year. This trend highlights the island's overall relatively stable humidity patterns, with only minor fluctuations throughout the year, making Mykonos a comfortable destination for vacationers even as the summer heat gives way to the milder fall climate.
As summer gradually transitions into autumn, September in Mykonos maintains a very high UV Index of 8, indicating still strong sun exposure despite the onset of cooler weather. This month typically allows for approximately 15 minutes of unprotected sun exposure before risk of harm increases, similar to the peak levels experienced during the height of summer. This trend reflects a slight dip from the intense conditions of July and August, which saw consistent UV levels at 10, but September remains a time when travelers should stay vigilant about sun protection. As the year progresses, UV intensity will continue to decline, with October presenting a more moderate UV Index of 6. To stay informed about daily fluctuations and recommendations, check out the detailed guide at Mykonos UV Index.
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September in Mykonos is a radiant delight, boasting an impressive 350 hours of sunshine that gracefully winds down from the summer peak. As the blazing summer days of July and August give way to the gentler warmth of fall, visitors can still savor the sun's embrace without the bustling crowds. The month retains a bountiful glow, offering nearly 80% of the sunshine seen in peak summer, making it an enchanting time for beach outings and vibrant sunsets. With a seamless transition into the milder October, September stands out as a perfect blend of sun-soaked adventure and tranquil moments, inviting all to bask in its golden light.
In September, Mykonos enjoys a remarkable 91% chance of sunny weather, marking it as a standout month for sun-seekers. The trend for sunshine in the summer months is undeniable, with a gradual increase from 41% in January to an impressive 99% in August. As the peak summer heat gives way to a more temperate climate in September, residents and visitors alike can revel in abundant sunshine while enjoying the vibrant atmosphere of the island. Following September, the probability of sunny days begins to dip again, settling at 75% in October, so it's the perfect time to soak up the last rays of summer before autumn sets in. Whether lounging on the beach or exploring charming villages, September's sunny disposition makes it an ideal time to visit Mykonos.
As summer fades into autumn, September in Mykonos offers a beautiful transition in daylight hours, with 12 hours of sunlight gracing the island. This marked decrease from the 14 hours enjoyed in peak summer months suggests a gentle shift towards shorter days. The steady decline from the vigorous summer months in June, July, and August invites a serene atmosphere, perfect for leisurely strolls along the picturesque beaches as the vibrant hues of sunset paint the sky. Following September, daylight dips further in October, offering 11 hours of light, but for now, Mykonos basks in the lingering warmth of late summer — a cherished time for visitors and locals alike.
In September, Mykonos experiences a notable resurgence in wind speed, averaging 8.7 m/s (20 mph), making it one of the breeziest months of the year. This increase follows the summer months—where winds generally taper off in June and July—before a slight decline in October. The consistent wind patterns from January through August suggest a dynamic climate, peaking during the high summer season and soaring even higher as the island transitions into fall. This refreshing September breeze not only enhances Mykonos' natural beauty but also invigorates its vibrant outdoor activities, offering visitors an exhilarating experience before the quieter autumn months arrive.
The weather in Mykonos 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 Mykonos and find detailed weather information for every month.
September and January present stark contrasts in weather. In September, temperatures are warm, averaging around 23°C (74°F), with highs reaching up to 27°C (81°F) and very little precipitation—only 5 mm across the whole month. In contrast, January sees much cooler and wetter conditions, with average temperatures plummeting to 12°C (55°F) and highs barely reaching 19°C (67°F). Additionally, January experiences significant rainfall, totaling 97 mm over 12 days, and a higher humidity level at 77%. For more details on the weather in January, check out Mykonos weather in January.
September and February offer starkly contrasting weather conditions. In September, temperatures are pleasantly warm, with a minimum of 19°C (66°F) and an average of 23°C (74°F), reaching highs of 27°C (81°F). This month enjoys very little precipitation, averaging only 5 mm (0.2 in) and typically experiencing no rainy days, all while maintaining a comfortable humidity level of 70%.
In contrast, February is notably cooler, with temperatures ranging from a low of 6°C (43°F) to a maximum of 18°C (64°F). This month sees significantly more rainfall, accumulating around 41 mm (1.6 in) over about 8 days, and the humidity rises slightly to 76%. For a more detailed look at the climate during this winter month, check out Mykonos weather in February.
In September, the weather is typically warm and pleasant, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 27°C (81°F). With little to no precipitation and moderate humidity at 70%, it’s an ideal time for outdoor activities. In contrast, March presents a cooler climate, with average temperatures peaking at 17°C (63°F) and a minimum of just 5°C (41°F). This month experiences significantly higher precipitation, with about 44 mm (1.7 in) spread over approximately six rainy days, contributing to a humidity level of 77%. For more detailed weather insights, you can check Mykonos weather in March.
September weather is notably warmer and drier compared to April. With minimum temperatures around 19°C (66°F) and highs reaching up to 27°C (81°F), September offers an average temperature of 23°C (74°F) alongside very little precipitation, only 5 mm over the course of the month. In contrast, April has cooler temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 20°C (68°F), with an average of 15°C (60°F). April is also characterized by higher humidity at 77% and more frequent precipitation, totaling 20 mm over three days. For more details on April weather, visit Mykonos weather in April.
In September, the weather is typically warmer than in May, with average temperatures reaching around 23°C (74°F), compared to May's average of 19°C (66°F). September boasts a higher maximum temperature of 27°C (81°F) while maintaining low precipitation levels at just 5 mm (0.2 in) over 0 days, resulting in pleasant and dry conditions. In contrast, May, with a minimum temperature of 15°C (58°F) and slightly higher humidity at 81%, experiences a bit more moisture with 4 mm (0.2 in) of rainfall occurring over a single day. Overall, September offers a warmer and drier experience, while May presents cooler temperatures and slightly more humidity. For more details, check out Mykonos weather in May.
In comparing the weather conditions of September and June, both months enjoy similar maximum temperatures, with highs reaching up to 27°C (81°F). However, September tends to be slightly warmer overall, with average temperatures of 23°C (74°F) compared to June's 22°C (72°F). While September experiences minimal precipitation with just 5 mm (0.2 in) over no rainy days, June sees a little more rainfall at 3 mm (0.1 in) spread across one day. Humidity levels are also higher in June at 77%, compared to 70% in September, making the earlier month feel a bit more muggy. For further details, visit Mykonos weather in June.
In comparing the weather of September and July, both months enjoy warm temperatures with July being slightly warmer on average. In July, the minimum temperature reaches 21°C (71°F) with an average of 25°C (77°F) and a maximum of 29°C (85°F). In contrast, September experiences a minimum temperature of 19°C (66°F) and an average of 23°C (74°F), peaking at 27°C (81°F). Interestingly, both months boast negligible precipitation, with September seeing just 5 mm but no rainy days, similar to July, which has no recorded precipitation. Humidity levels are quite similar too, with September at 70% and July at 71%. For further details on July weather, you can visit Mykonos weather in July.
In comparing the weather of September and August, September experiences slightly cooler temperatures with a minimum of 19°C (66°F) and an average of 23°C (74°F), while August tends to be warmer, boasting a minimum of 22°C (71°F) and an average of 25°C (77°F). Both months are relatively dry, but September sees minimal precipitation of 5 mm (0.2 in) over 0 days, whereas August remains completely dry with 0 mm (0.0 in) and also no rainy days. Additionally, humidity levels in September are a bit higher at 70%, compared to August's 66%. For more detailed insights on August weather, check out Mykonos weather in August.
In September, the weather is warm and pleasant, with average temperatures hovering around 23°C (74°F) and maximums reaching up to 27°C (81°F). The month enjoys low precipitation, only 5 mm (0.2 in), contributing to dry conditions and a relatively moderate humidity level of 70%.
In contrast, October sees a drop in temperatures, with averages around 20°C (69°F) and maximums peaking at 25°C (78°F). This month experiences more rainfall, totaling 20 mm (0.8 in) over two days, and humidity rises slightly to 76%. Overall, while September offers a more stable warmth, October introduces a cooler, more variable climate. For more detailed information, check out Mykonos weather in October.
September typically boasts warmer temperatures, with an average high of 27°C (81°F) and minimal rainfall, making it a pleasant month for outdoor activities. In contrast, November sees a noticeable drop in temperatures, with an average high of only 22°C (72°F), and an increase in precipitation, accumulating about 44 mm over six days. Additionally, humidity rises slightly in November to 77%, compared to 70% in September. For a more detailed look at the weather conditions in November, you can visit Mykonos weather in November.
September and December present stark contrasts in weather. In September, temperatures are typically milder, with a minimum of 19°C (66°F) and an average of 23°C (74°F), making it a pleasant time for outdoor activities. The month experiences minimal precipitation, with just 5 mm (0.2 in) and no rainy days, alongside a comfortable humidity level of 70%.
In contrast, December sees cooler temperatures, ranging from a minimum of 9°C (48°F) to a maximum of 20°C (69°F), and an average of 15°C (59°F). This month is significantly wetter, receiving 86 mm (3.4 in) of rainfall over 12 days, coupled with slightly higher humidity at 78%. For a more detailed look at what to expect, you can visit Mykonos weather in December.
As summer gracefully transitions to fall, September in Mykonos offers a delightful blend of warm temperatures and minimal rainfall, making it an ideal time for visitors to savor the island's beauty without the bustling crowds of peak season. With comfortable averages around 23°C (74°F) and stunning sunny days, the weather is perfect for beach outings and exploring the charming streets of Mykonos. The humidity adds a touch of warmth, yet it's pleasantly manageable, ensuring that outdoor activities remain enjoyable. For those considering a visit, this month stands out as a sweet spot between the sweltering heat of July and August and the cooler autumn months. Discover more about the island's climate patterns at Mykonos Climate to plan your perfect getaway!