Last updated: August 21, 2025
September in Kallithea, Greece, offers a delightful blend of warm sunshine and refreshing breezes. With temperatures peaking at a maximum of 29°C (85°F) and a comfortable average of 21°C (71°F), this month is perfect for both relaxation and exploration. While the evenings can cool down to a minimum of 11°C (51°F), guests can expect a moderate humidity level of 56% that keeps the air pleasant. Rainfall is minimal, with just 38 mm (1.5 in) expected over 6 days, allowing plenty of opportunities to soak up the sun or enjoy the vibrant local culture. Whether you're lounging on the beach or wandering historic streets, September in Kallithea promises an inviting escape.
In Kallithea, Greece, September marks a delightful transition into autumn, with temperatures that offer a perfect balance of warmth and refreshment. As summer's heat begins to wane, the minimum temperature settles around 11°C (51°F), while the average creeps up to a comfortable 21°C (71°F), peaking at a pleasant 29°C (85°F) during the day. This month is characterized by increasingly mild evenings and sunny days, allowing for a wonderful variety of outdoor activities. As the sweltering August temperatures recede, visitors can enjoy Kallithea's stunning landscapes in a more temperate and inviting climate, making September an ideal time to explore this beautiful Greek destination.
In September, Kallithea, Greece, experiences a notable shift in precipitation patterns, with only 38 mm (1.5 in) of rainfall spread over a mere 6 days. This marks a significant decline from the summer months, particularly August's 42 mm (1.6 in), hinting at the onset of dryer conditions as the region transitions into autumn. The reduction in both the amount of rain and the number of rainy days suggests a gradual shift towards a drier climate, paving the way for clearer skies and pleasant temperatures. As the year progresses, Kallithea anticipates a return to wetter weather in the coming months, particularly with October's average precipitation of 93 mm (3.6 in), which re-establishes the more typical rainfall patterns of the fall season.
In Kallithea, Greece, September marks a notable shift in humidity levels as the sweltering summer begins to wane. Following the peak dryness of August, which boasted a comfortable 43% humidity, September sees a modest rise to 56%. This increase can be attributed to the encroaching autumn, as moisture levels creep up from summer lows, signaling the transition to cooler temperatures. The trend continues into October, where humidity jumps significantly to 74%, indicating that the region is preparing for the more humid months ahead. Overall, September offers a blend of residual summer warmth with a hint of autumn's embrace, making it a unique time in Kallithea's climatic rhythm.
As summer transitions to autumn, September in Kallithea, Greece sees a slight decline in the UV Index, dropping to 8, categorized as very high. This continues the trend from August’s similar reading, maintaining a burn time of just 15 minutes for unprotected skin. The month showcases the tail end of peak sun exposure, where sun safety remains crucial despite shorter days approaching. Following September, UV levels will further decrease to 6 in October, marking the beginning of a more moderate exposure period. For those basking in the late-season sun, staying informed is essential; you can track seasonal changes and protect your skin effectively at Kallithea UV Index.
UV Risk Categories
As summer gracefully transitions to autumn, September in Kallithea, Greece, continues to bask in a generous 346 hours of sunshine. This month reflects a slight decline from the peak of 424 hours in July, yet it still offers plenty of warmth and light for those enjoying the beautiful coastal scenery. The increasing sunshine hours from January’s 189 to September's embrace illustrates a steady climb towards the sun-soaked days of summer, making it an ideal time for travelers seeking to extend their sun-filled adventures. With October bringing 296 hours, the lingering rays of September provide a perfect backdrop for outdoor activities and leisurely strolls along the picturesque shores.
In Kallithea, Greece, the likelihood of sunny weather in September stands at a moderate 54%, showcasing a notable shift from the peak summer months. As summer wanes, with July and August basking in sunshine at 80% and 81% respectively, September offers a gentler embrace of sunlight. While this month may not be as bright as its summer predecessors, it still enjoys more sunshine compared to the coming autumn months, such as October with its 40% chance of sun. This trend indicates that September remains an appealing time to visit, balancing pleasant weather with fewer crowds, perfect for enjoying the beautiful coastal scenery.
As summer gives way to autumn in Kallithea, Greece, September brings a gentle transition in daylight hours, offering 12 hours of sunlight. This marks a slight decrease from the 13 hours seen in August, illustrating the gradual shift towards shorter days as the year progresses. Following the vibrant and lengthy summer days of 14 hours in June and July, September's daylight still maintains a comforting warmth before the further decline to 11 hours in October. This pattern highlights a natural ebb and flow of daylight, allowing residents and visitors to savor the lingering brightness just a little longer before the onset of winter's shorter days.
In September, Kallithea enjoys a gentle breeze with an average wind speed of 2.4 m/s (5 mph), consistent with the calm summer months of July and August. This light wind creates a serene atmosphere, perfect for leisurely strolls along the coastline or relaxing at outdoor cafés. As autumn approaches, wind speeds begin to slightly rise again in October, hinting at the changing seasons. Overall, September's stable and mild winds are ideal for those seeking tranquility amidst the beautiful backdrop of this enchanting Greek locale.
Weather in Kallithea varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kallithea, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present vastly different weather conditions. In September, temperatures are milder, with a minimum of 11°C (51°F) and a maximum of 29°C (85°F), making it ideal for outdoor activities. The average temperature is a comfortable 21°C (71°F), accompanied by relatively low precipitation of 38 mm (1.5 in) over just 6 days and a humidity level of 56%. In contrast, January brings much colder weather, with temperatures plummeting to a minimum of -11°C (12°F) and an average of just 5°C (42°F). This winter month experiences more precipitation, totaling 90 mm (3.5 in) over 11 days, and higher humidity at 89%. For those interested in detailed January weather, more information can be found Kallithea weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a mild 11°C (51°F) at night to a warm 29°C (85°F) during the day, with an average of 21°C (71°F). The month sees relatively low precipitation at 38 mm (1.5 in) over just six days, and humidity levels are moderate at 56%. In contrast, February is much colder, with temperatures dipping to a minimum of -6°C (21°F) and peaking at 17°C (63°F), averaging around 8°C (46°F). Precipitation is significantly higher in February, totaling 88 mm (3.5 in) over 12 days, and the humidity rises to a notable 84%. For more specific insights, you can check the details at Kallithea weather in February.
September and March present stark contrasts in weather conditions. In September, temperatures are relatively mild, ranging from a minimum of 11°C (51°F) to a maximum of 29°C (85°F), with an average of 21°C (71°F). The precipitation is moderate, totaling 38 mm (1.5 in) over just 6 days, and humidity stands at 56%. On the other hand, March experiences much cooler temperatures, with a minimum of -3°C (28°F) and a maximum of 19°C (66°F), averaging only 9°C (49°F). This month also sees a significantly higher precipitation level of 106 mm (4.2 in) spread over 12 days, coupled with increased humidity at 81%. For more detailed insights about the weather in March, you can visit Kallithea weather in March.
When comparing the weather in September and April, notable differences emerge. September enjoys warmer temperatures, with averages around 21°C (71°F) and maximums reaching up to 29°C (85°F), while April's average hovers at a cooler 13°C (55°F) with a maximum of 24°C (75°F). Precipitation also varies, as April experiences more rainfall at 77 mm (3.0 in) over approximately 11 days, compared to September's lighter 38 mm (1.5 in) spread over just 6 days. Additionally, humidity levels are higher in April at 72%, compared to September's 56%. For a closer look at temperature and conditions specific to Kallithea, check out Kallithea weather in April.
When comparing the weather in September to that of May, we can see notable differences. September tends to be warmer with an average temperature of 21°C (71°F), reaching a maximum of 29°C (85°F), while May has a slightly lower average of 18°C (64°F) and peaks at 28°C (82°F). In terms of precipitation, September is drier, receiving only 38 mm (1.5 in) over 6 days compared to May's 73 mm (2.9 in) spread over 12 days. Additionally, the humidity is higher in May at 72%, compared to 56% in September. For more detailed insights on May weather in Kallithea, you can check Kallithea weather in May.
When comparing the weather in September and June, we find that both months experience similar average temperatures, around 21°C (71°F) to 22°C (71°F). However, June tends to be warmer, with maximum temperatures reaching up to 32°C (91°F), compared to September's maximum of 29°C (85°F). Additionally, June is considerably wetter, receiving 92 mm (3.6 in) of precipitation over 15 days, while September sees only 38 mm (1.5 in) over just 6 days of rain. Both months have comparable humidity levels, making for a humid atmosphere. For more detailed insights, you can check Kallithea weather in June.
When comparing the weather in September and July, July generally presents warmer temperatures, with an average of 24°C (76°F) compared to September's cooler average of 21°C (71°F). July also tends to be more humid, with a humidity level of 50%, while September's humidity rises slightly to 56%. Additionally, July experiences higher rainfall, totaling 80 mm (3.1 in) over 9 days, in contrast to September’s 38 mm (1.5 in) over 6 days. For more details about July's conditions, you can check Kallithea weather in July.
Comparing the weather in September and August reveals some notable differences. In September, the temperatures see a decrease, with a minimum of 11°C (51°F) and an average of 21°C (71°F), compared to August's warmer lows of 17°C (64°F) and an average of 25°C (77°F). While September experiences a maximum of 29°C (85°F), August peaks at a hotter 34°C (94°F). Precipitation is slightly lower in September, totaling 38 mm (1.5 in) over 6 days, compared to August’s 42 mm (1.6 in) over 7 days. Additionally, September's humidity is higher at 56%, while August offers a more comfortable 43%. For more detailed information, refer to Kallithea weather in August.
September typically enjoys milder temperatures, with average highs around 21°C (71°F) and maximums reaching up to 29°C (85°F). The month experiences relatively low precipitation, with about 38 mm (1.5 in) falling over approximately 6 days, resulting in a humidity level of 56%. In contrast, October brings a noticeable drop in temperatures, with averages around 16°C (61°F) and maximums peaking at 25°C (78°F). However, it becomes wetter, with precipitation increasing to 93 mm (3.6 in) over the course of 10 days, contributing to a higher humidity of 74%. For more detailed information, you can check Kallithea weather in October.
In comparing the weather between September and November, it is evident that November brings a significant drop in temperatures. September boasts a mild climate with average temperatures around 21°C (71°F) and peaks reaching up to 29°C (85°F), but by November, the average falls to just 12°C (54°F) with maximums of 20°C (69°F). Additionally, September experiences relatively low precipitation at 38 mm (1.5 in) over 6 days, while November sees a dramatic increase in rainfall, totaling 187 mm (7.3 in) over 14 days. The humidity also rises significantly, from 56% in September to 87% in November, creating a much wetter atmosphere. For more details, you can check Kallithea weather in November.
In September, the weather is generally mild and pleasant, with average temperatures around 21°C (71°F) and a maximum reaching 29°C (85°F). The month sees relatively low precipitation of 38 mm (1.5 in) over about 6 days, and humidity levels are moderate at 56%. In contrast, December brings much colder conditions, with average temperatures plummeting to 8°C (47°F) and a maximum of only 16°C (62°F). Precipitation increases significantly during this month, totaling 115 mm (4.5 in) over approximately 11 days, and humidity levels rise dramatically to 89%. For more details, check out Kallithea weather in December.
As summer transitions to fall, September in Kallithea brings a delightful shift in weather, characterized by warmer days and cooler nights. The average temperatures hover pleasantly around 21°C (71°F), with daytime highs reaching a comfortable 29°C (85°F), making it perfect for enjoying outdoor activities. Unlike the peak summer months, where the heat can be relentless, September offers a welcome respite with a hint of crispness in the air, particularly during the evenings. Although the month sees some rainfall, with about six days of precipitation totaling 38 mm (1.5 in), this is a gentle reminder of the changing seasons rather than a disruption. Visitors will appreciate the moderate humidity levels at 56%, enhancing the overall pleasantness of the weather. To gain deeper insights into the climate patterns, be sure to check out Kallithea Climate.