Last updated: August 21, 2025
In September, Kallithea, Greece, basks in a delightful Mediterranean climate, featuring a maximum temperature reaching up to 37°C (98°F) and an average of 24°C (76°F), making it an ideal time for sun-seekers. With the minimum temperature dipping to a mild 13°C (55°F) at night, evenings are pleasantly refreshing. The month sees minimal rainfall, accumulating only 17 mm (0.7 in) over about two days, allowing for plenty of outdoor activities. The humidity remains at a comfortable 65%, enhancing the overall enjoyable experience, whether you’re exploring local sights or relaxing by the sea.
In September, Kallithea, Greece, begins to transition from the sweltering heights of summer, offering a delightful climate that's both warm and pleasant. With minimum temperatures around 13°C (55°F) and average highs reaching 37°C (98°F), this month strikes a perfect balance for outdoor enthusiasts. The average temperature sits comfortably at 24°C (76°F), making it an ideal time for enjoying the vibrant local culture and stunning coastal scenery. As the searing summer fades, September welcomes visitors with its warm days and slightly cooler evenings, providing the perfect backdrop for exploration and relaxation. This trend of tapering summer heat invites both locals and travelers to soak in the beauty of Kallithea.
September in Kallithea, Greece witnesses a subtle shift in precipitation patterns as the summer heat begins to soften. With an average of 17 mm (0.7 in) of rainfall over just 2 days, the month marks a significant increase compared to the dry spell of August, which recorded no precipitation at all. This uptick signifies a gradual transition into the wetter fall months, setting the stage for October's expected rise to 30 mm (1.2 in). Despite being one of the cooler months of the year, September’s rainfall helps rejuvenate the landscape, poking through the remnants of summer with a refreshing touch.
In September, Kallithea experiences a humidity level of 65%, marking a slight increase from the drier summer months of July and August, which recorded 68% and 63% respectively. As the city transitions from the heat of summer to the more temperate autumn, the rise in humidity reflects the gradual return of moisture to the air. Overall, Kallithea's humidity tends to be highest during the winter months, peaking in January at 76% and maintaining relatively high levels throughout the year. This gentle fluctuation suggests that while summer offers a respite from humidity, early autumn signals the beginning of a seasonal shift towards a more humid climate.
In September, Kallithea, Greece, experiences a UV Index of 8, indicating a very high level of solar radiation that necessitates caution. As summer fades, the UV Index gradually decreases from its peak in July and August, but remains significant enough to warrant protective measures. With a burn time of just 15 minutes, it's essential to embrace sun safety—wearing sunscreen and protective clothing is advised to minimize skin damage. This trend highlights the importance of vigilance even as the season transitions. For more detailed information on UV exposure throughout the year, visit Kallithea UV Index.
UV Risk Categories
September in Kallithea, Greece, shines brightly with 346 hours of sunshine, marking a gentle transition from the summer peak. As the summer months give way to autumn, sunlight begins to wane slightly; July boasts an impressive 423 hours, while August holds strong with 396 hours. However, September’s warm glow invites visitors to enjoy lingering beach days and picturesque sunsets, reminiscent of the lively summer atmosphere. The month's sunlit hours are a testament to Greece's exquisite climate, providing a perfect backdrop for exploration before the cooler October temperatures settle in with 313 hours. As the days shorten, the sunny September still holds an allure that captures the essence of late-summer charm, making it an ideal time for travel and relaxation.
In Kallithea, Greece, September offers a beautiful transition into autumn with a 77% chance of sunny weather, marking a continuation of the summer's warm embrace. As summer peaks in July and August—with their impressive 94% and 95% sun probability—September maintains a commendable level of sunshine, making it ideal for outdoor activities and exploration. This sunny likelihood slightly dips compared to the summer months, yet it far exceeds the 57% average in October, ensuring that visitors can still bask in comfortable, sun-kissed days before the cooler months set in. The pattern clearly shows that while the vibrant heat of summer begins to wane, September remains a delightful time to enjoy Kallithea's charm under the sun.
As summer fades into fall in Kallithea, Greece, September marks a gentle transition with approximately 12 hours of daylight. Following the sun-drenched months of June and July, which each bask in a maximum of 14 hours of light, September provides a slight reduction in daylight, reminiscent of August’s 13 hours. This gradual decline signals the onset of autumn, as daylight steadily diminishes heading into October's 11 hours. The trend illustrates the Mediterranean's rhythm, where each month gracefully shifts, allowing residents and visitors alike to enjoy the lingering warmth of summer while gradually preparing for the cooler days ahead.
As summer transitions to autumn in Kallithea, Greece, September brings a refreshing shift in the air, with an average wind speed of 3.0 m/s (7 mph). This gentle breeze marks a slight increase from the calm of August, where winds settled at 2.7 m/s. As the warm months give way to cooler evenings, September's winds are reminiscent of July's lively gusts, maintaining the island's vibrant spirit. Interestingly, wind speeds throughout the year exhibit a cyclical pattern, peaking again in December at 3.5 m/s. Overall, September not only encapsulates the tail end of summer's warmth but also heralds the beginning of a breezier season, making it a delightful time to enjoy Kallithea's charming seaside ambiance.
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.
The weather in September and January presents a striking contrast. In September, temperatures range from a mild 13°C (55°F) to a warm 37°C (98°F), with an average of 24°C (76°F), accompanied by relatively low precipitation of 17 mm (0.7 in) spread over just 2 days and humidity at 65%. In stark contrast, January experiences much colder temperatures, with a minimum of -4°C (25°F) and a maximum of 22°C (72°F), leading to an average of only 9°C (48°F). The month sees significantly more rainfall, totaling 57 mm (2.2 in) across 7 days, with humidity rising to 76%. For further insights into Kallithea's January weather, you can visit Kallithea weather in January.
September and February present stark contrasts in weather patterns. In September, temperatures typically range from a minimum of 13°C (55°F) to a maximum of 37°C (98°F), with an average of 24°C (76°F). This month experiences relatively low precipitation, totaling 17 mm (0.7 in) over just 2 days, and a humidity level of 65%. In contrast, February sees much cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 20°C (68°F), averaging around 10°C (51°F). This winter month is considerably wetter, with precipitation reaching 48 mm (1.9 in) across 8 days and higher humidity at 75%. For more detailed insights, you can check Kallithea weather in February.
September weather typically boasts warmer temperatures, with an average of 24°C (76°F) and highs reaching up to 37°C (98°F). In contrast, March brings cooler days, averaging 12°C (54°F), with a maximum temperature of 23°C (74°F). September also enjoys significantly less precipitation, averaging only 17 mm (0.7 in) over 2 days, while March sees more rainfall, with 39 mm (1.5 in) spread over 5 days. Additionally, humidity levels are higher in March at 74%, compared to September's 65%. For more details, you can check Kallithea weather in March.
Comparing the weather in September and April reveals distinct seasonal contrasts. In September, temperatures range from a minimum of 13°C (55°F) to a maximum of 37°C (98°F), with a pleasant average of 24°C (76°F) and relatively low precipitation of only 17 mm (0.7 in) over two days. Humidity sits at around 65%, making the warmth more bearable. In contrast, April experiences milder temperatures, with a minimum of 4°C (40°F) and a maximum of 29°C (85°F), leading to an average of 15°C (60°F). This month sees increased rainfall, totaling 42 mm (1.6 in) over five days, and higher humidity at 75%. For more detailed insights, you can check out Kallithea weather in April. Overall, while September brings late summer warmth, April offers cooler temperatures and more frequent rain.
September generally boasts warmer temperatures than May, with an average of 24°C (76°F) compared to May's 21°C (70°F). While both months can experience high maximum temperatures, September's peak can reach up to 37°C (98°F), compared to May's maximum of 36°C (97°F). However, May tends to be slightly wetter, receiving 23 mm (0.9 in) of precipitation over 4 days, whereas September has only 17 mm (0.7 in) of rainfall over just 2 days. Additionally, May's higher humidity at 77% creates a more humid atmosphere compared to September's 65%. For more detailed insights, check out Kallithea weather in May.
When comparing the weather in September and June, both months exhibit warm temperatures, but September tends to be slightly cooler. In June, the average temperature reaches 25°C (77°F), peaking at a maximum of 38°C (101°F), whereas September has an average temperature of 24°C (76°F) with a maximum of 37°C (98°F). Additionally, June experiences more precipitation, with 33 mm (1.3 in) occurring over five days, compared to September's 17 mm (0.7 in) over just two days. The humidity levels are also higher in June at 71%, compared to September's 65%. For more insights on June weather, you can check Kallithea weather in June.
In September, temperatures range from a minimum of 13°C (55°F) to a maximum of 37°C (98°F), averaging 24°C (76°F) with relatively low precipitation of 17 mm (0.7 in), occurring on just 2 days. The humidity is moderate at 65%. In contrast, July experiences warmer weather, with temperatures ranging from 19°C (67°F) to a scorching maximum of 42°C (108°F), and an average of 28°C (83°F). It has slightly less rainfall at 9 mm (0.4 in), also over 2 days, although humidity is marginally higher at 68%. For further details on July weather, you can check Kallithea weather in July.
In comparing the weather between August and September, it's evident that September offers slightly cooler temperatures with a minimum of 13°C (55°F) and an average of 24°C (76°F), while August experiences higher temperatures, including a maximum of 43°C (109°F) and an average of 28°C (83°F). August is also drier, with only 4 mm (0.2 in) of precipitation over zero days, in contrast to September's 17 mm (0.7 in) across two days. Humidity levels remain relatively stable, with September at 65% and August slightly lower at 63%. For more detailed information on August weather in Kallithea, check out Kallithea weather in August.
September is characterized by warm temperatures, with averages around 24°C (76°F) and a maximum reaching up to 37°C (98°F). The month experiences relatively low precipitation, totaling only 17 mm (0.7 in) across just two days. In contrast, October sees cooler temperatures, with averages dropping to 19°C (66°F) and a maximum of 31°C (89°F). This month also experiences increased rainfall, with precipitation rising to 30 mm (1.2 in) over four days and humidity levels climbing to 72%. For more detailed insights into October weather, check out Kallithea weather in October.
September and November showcase contrasting weather patterns. In September, temperatures are warmer, with minimums averaging around 13°C (55°F) and maximums reaching up to 37°C (98°F), resulting in an average temperature of 24°C (76°F). The month experiences relatively low precipitation, totaling 17 mm (0.7 in) over just 2 days, with humidity around 65%. In contrast, November brings a notable drop in temperature, with minimums falling to 4°C (39°F) and an average of 15°C (59°F), peaking at 25°C (78°F). This month sees increased precipitation, totaling 48 mm (1.9 in) over 7 days and a higher humidity level of 75%. For more detailed information, you can check Kallithea weather in November.
September's weather is characterized by warm temperatures, ranging from a minimum of 13°C (55°F) to a maximum of 37°C (98°F), with an average of 24°C (76°F). The month sees relatively low precipitation at 17 mm (0.7 in) over just 2 days, and humidity levels at 65% contribute to a pleasant, summery feel. In contrast, December brings a significant drop in temperatures, with a minimum of 1°C (34°F) and an average of 11°C (53°F), peaking at 21°C (70°F). This month experiences much higher precipitation at 66 mm (2.6 in) across 9 days, coupled with increased humidity at 76%. For more detailed information, you can check Kallithea weather in December.
As September arrives in Kallithea, the weather begins to transition from the height of summer, offering a delightful blend of warmth and refreshing breezes. While the temperatures can still reach a maximum of 37°C (98°F), the average cools to a comfortable 24°C (76°F), making outdoor activities highly enjoyable. Compared to the sweltering summer months, September experiences notably less precipitation, with only a couple of rainy days, and humidity levels remain manageable at 65%. This month is perfect for those seeking a balance of sun and shade, inviting visitors to explore the stunning landscapes without the intense heat. For more insights into the climate of this charming region, check out Kallithea Climate.