Last updated: August 21, 2025
September in Symi, Greece boasts delightful weather characterized by a maximum temperature reaching 28°C (83°F) and an average of 25°C (77°F), making it an ideal time for outdoor exploration. Visitors can enjoy pleasant days with a minimum temperature of 20°C (69°F), perfect for evening strolls by the harbor. With a mere 1 mm (0.1 in) of precipitation expected over the month and no rainy days, the skies remain clear, enhancing the stunning views of the island. The humidity is comfortably low at 49%, adding to the overall charm of this enchanting destination.
September in Symi, Greece, marks a delightful transition as summer begins to wane yet still offers plenty of warmth. With minimum temperatures hovering around 20°C (69°F) and averaging a pleasant 25°C (77°F), the island is bathed in sunshine, perfect for enjoying picturesque beaches. The maximum temperature reaches a comfortable 28°C (83°F), creating ideal conditions for leisurely strolls through the charming streets or sunset dinners by the waterfront. As September unfolds, travelers can relish in a blend of summer's warmth while avoiding the peak heat, making it a wonderful time to explore the island's stunning landscapes and rich cultural heritage.
September in Symi, Greece, marks a subtle transition as the summer heat begins to wane, bringing a slight whisper of rain. With just 1 mm of precipitation and no rainy days, the month is predominantly dry, reflecting the island's typical summer climate. This minimal rainfall is a striking contrast to the heavy downpours that follow in October, where 49 mm of rain often greets the onset of autumn. This trend highlights September as a brief interlude before the wetter months, allowing visitors to enjoy the tail end of summer with low humidity and clear skies, perfect for soaking up the sun and enjoying the picturesque landscapes before the seasonal shifts take hold.
In September, Symi, Greece experiences a notable shift in humidity, averaging around 49%. This marks a slight increase from the significantly lower levels of 43% seen in August, as the island transitions from the dry summer months into the more humid fall season. The trend reveals a gradual increase in humidity leading into autumn, with October witnessing a rise to 68%. Overall, September serves as a bridge, where the lingering warmth of summer begins to mingle with the cooler, more humid air of autumn, inviting visitors to enjoy the picturesque landscapes under pleasant conditions.
In September, Symi, Greece continues to bask in warm sunshine, with the UV Index still perched at a robust 9, indicating a very high exposure category. As summer's warmth lingers, visitors should be cautious, as the burn time drops to just 15 minutes—a testament to the sun's strength as it transitions towards autumn. This trend follows the intense sunny months of June, July, and August, when UV levels peaked at 11 and 10. While this month's UV Index is slightly lower than the peak summer readings, it's essential to stay protected and enjoy the beautiful weather wisely. For more detailed insights, check out the Symi UV Index.
UV Risk Categories
As summer bids farewell, September in Symi, Greece, continues to bask in the warmth of 349 hours of sunshine, making it a delightful month for sun seekers. The trend towards longer days is evident as the island enjoys a gradual increase in sunlight from January’s 220 hours, peaking in July with an impressive 422 hours. Although September marks a slight decrease from August's 396 hours, the lingering warmth and vibrant atmosphere create an enticing backdrop for exploration and relaxation. As autumn approaches, the days gradually shorten, setting the stage for the serene beauty of fall while still offering ample opportunities to soak up the last rays of summer sun.
September in Symi, Greece, is characterized by an impressive 97% chance of sunny weather, making it one of the most delightful months to visit this picturesque island. Following the peak summer months of July and August, which boast sun chances of 98% and 99%, September continues to embrace the warm, inviting rays while gently transitioning into the fall. This trend showcases a gradual decline from summer's intense brightness, yet retains a remarkable percentage of sunny days. With the lingering summer warmth, September offers the perfect opportunity to explore Symi’s stunning landscapes under generous sunshine, ensuring memorable experiences for all who visit.
As summer begins to wane, September in Symi, Greece offers a delightful transition marked by 12 hours of daylight. This gradual decrease from the sun-drenched heights of 14 hours seen in the peak months of June, July, and August, hints at the shifting seasons. The month’s daylight hours reflect a shift towards early autumn, yet still provide ample opportunity to bask in the warm glow of the Mediterranean sun. As daylight retreats towards the cooler months, the vibrant beauty of Symi begins to embrace the softer hues of the season, making September a picturesque time to explore this charming island.
As September unfolds in Symi, Greece, the island experiences a gentle breeze with an average wind speed of 7.1 m/s (16 mph), marking a subtle decline from the summer's peak. This shift highlights a transition as the relentless summer heat begins to wane, with winds starting to ease compared to the more robust dynamics witnessed in the preceding months. Notably, after a consistent pattern of higher winds in July and August, which reached up to 7.4 m/s (17 mph), September’s softer gusts create a serene atmosphere, perfect for leisurely strolls along the picturesque coastline. Looking ahead, the winds continue to taper off into the cooler months, with October and November seeing decreases that further signal the arrival of autumn, providing a tranquil backdrop for those looking to savor the island's charm in a more relaxed setting.
Weather in Symi varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Symi, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January offer striking contrasts in weather conditions. In September, temperatures are pleasantly warm, with a minimum of 20°C (69°F) and averaging around 25°C (77°F), peaking at 28°C (83°F). The month is characterized by almost negligible precipitation, with just 1 mm recorded over zero rainy days and a moderate humidity level of 49%. In contrast, January brings a significant drop in temperatures, with daily averages plummeting to a minimum of 4°C (40°F) and an average of 14°C (57°F), reaching a maximum of 19°C (66°F). This month sees considerable rainfall, totaling 169 mm (6.6 in) across 15 rainy days, along with much higher humidity levels at 83%. For a detailed look at January weather on Symi, you can visit Symi weather in January.
September and February showcase stark contrasts in weather. In September, temperatures are pleasantly warm, with a minimum of 20°C (69°F) and an average high around 28°C (83°F), accompanied by very little precipitation. The low humidity of 49% makes it a comfortable time to enjoy outdoor activities. In contrast, February is much cooler, with temperatures dipping to a minimum of 5°C (42°F) and averaging around 14°C (58°F). This month also sees significantly more rainfall, with an average of 86 mm (3.4 in) over about 10 days, coupled with higher humidity levels at 81%. For more details on February weather specifics, you can check Symi weather in February.
In September, the weather is warm and pleasant, with average temperatures ranging from a minimum of 20°C (69°F) to a maximum of 28°C (83°F) and hardly any rainfall, as precipitation is just 1 mm over the month. The humidity is moderate at 49%, making it a great time to enjoy outdoor activities. In contrast, March presents a cooler climate, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 18°C (65°F). It is also a wet month with significant rainfall of 85 mm spread over 8 days, leading to higher humidity levels at 80%. For a more detailed look at March weather, you can visit Symi weather in March.
September and April present quite different weather experiences. In September, temperatures are warm, with a minimum of 20°C (69°F) and an average of 25°C (77°F), reaching up to a maximum of 28°C (83°F). Precipitation is virtually non-existent, contributing to a comfortable humidity level of 49%. In contrast, April sees cooler temperatures, with a minimum of 10°C (51°F) and an average of 17°C (62°F), peaking at 22°C (72°F). This month is also wetter, with 27 mm (1.0 in) of precipitation spread over 4 rainy days, resulting in a higher humidity of 72%. For more details on April weather, check Symi weather in April.
In September, the weather is warm and inviting, with temperatures ranging from a minimum of 20°C (69°F) to a comfortable maximum of 28°C (83°F). The month experiences very little rainfall, averaging just 1 mm over the course of no rainy days, and the humidity sits at a moderate 49%. In contrast, May is slightly cooler, with temperatures spanning from a minimum of 15°C (60°F) to a maximum of 26°C (79°F). Though it is milder, May sees a bit more precipitation, averaging 7 mm with one day of rain, and higher humidity at 73%. For more details on May weather in Symi, check out Symi weather in May.
In comparing the weather between September and June, we see that September tends to be slightly warmer, with average temperatures reaching 25°C (77°F) compared to June's average of 23°C (73°F). Both months experience minimal precipitation, but June has a bit more with 4 mm (0.2 in) compared to September's 1 mm (0.1 in). Humidity levels are notably lower in September at 49%, while June's humidity is higher at 66%. This makes September feel drier and warmer despite the similar maximum temperatures both months share at 28°C (83°F) and 28°C (84°F) respectively. For more details on June weather specifics, you can visit Symi weather in June.
In comparing the weather between September and July, we see some subtle differences. September features slightly cooler temperatures, with a minimum of 20°C (69°F) and a maximum of 28°C (83°F), while July maintains higher temperatures, starting at a minimum of 21°C (70°F) and peaking at 30°C (87°F). Both months experience very little precipitation, with September recording just 1 mm (0.1 in) and July remaining completely dry at 0 mm (0.0 in). Humidity levels are fairly similar, with September at 49% and July slightly higher at 52%. For more detailed insights, you can check Symi weather in July.
In comparing the weather between September and August, September offers slightly cooler temperatures with a minimum of 20°C (69°F) and a maximum of 28°C (83°F), while August experiences warmer conditions, characterized by a minimum of 24°C (75°F) and a maximum of 31°C (88°F). Despite the heat in August, both months see minimal precipitation, with September recording just 1 mm over the entire month and August reporting none at all. Additionally, humidity levels are slightly higher in September at 49%, compared to August’s 43%. For more detailed information, you can check Symi weather in August.
September typically boasts warmer temperatures, with averages around 25°C (77°F) and a maximum of 28°C (83°F), while October sees cooler averages of 22°C (72°F) and a peak of 26°C (79°F). The transition to October brings a significant increase in precipitation, from a dry September with no rain to October's 49 mm (1.9 in) over four days. Additionally, humidity levels rise from 49% in September to 68% in October, contributing to a more humid feel as autumn progresses. For more detailed weather insights, check out Symi weather in October.
In September, the weather is warm and pleasant, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 28°C (83°F) and an average of 25°C (77°F). It boasts minimal precipitation, with just 1 mm over the entire month and low humidity at 49%, making it an ideal time for outdoor activities. In contrast, November brings significantly cooler temperatures, with a range from 12°C (55°F) to 24°C (75°F) and an average of 19°C (67°F). This month is characterized by much higher precipitation, totaling 117 mm over 8 days and increased humidity at 78%. For more details on what to expect, check out Symi weather in November.
September typically offers warm and pleasant weather, with average temperatures around 25°C (77°F) and minimal rainfall, making it a great time for outdoor activities. In stark contrast, December brings cooler temperatures, with an average of 16°C (61°F), and significantly higher precipitation of 216 mm (8.5 in) over 17 days, leading to a much more humid environment at 84%. This shift in weather conditions underscores the transition from a dry, warm late summer to a wetter and cooler winter season. For more detailed information, you can check Symi weather in December.
As summer comes to a gentle close, September on Symi offers a perfect blend of warmth and tranquility. With average temperatures hovering around 25°C, the island welcomes visitors to enjoy its idyllic beaches and vibrant atmosphere without the intense heat that characterizes the peak summer months. Boasting almost no rainfall and low humidity at 49%, this month creates a delightful outdoor experience, making it ideal for exploring the charming streets and soaking in the stunning views. If you’re looking to escape the summer crowds while still enjoying delightful weather, September is the perfect time to visit. For further insights into what Symi has to offer throughout the year, check out Symi Climate.