September Weather in Kallithea, Greece

Last updated: January 24, 2025

In Kallithea, September showcases a warm climate characterized by a maximum temperature soaring to 37°C (98°F), with an average of 24°C (76°F) providing pleasant warm days. The nights cool down to a minimum of 13°C (55°F), ensuring a comfortable evening atmosphere. Despite being a dry month, Kallithea experiences a slight precipitation of 17 mm (0.7 in) over just 2 days, highlighting the predominance of sunshine and clear skies. With humidity levels around 65%, the weather remains inviting, making September an excellent time to explore the region’s charm.

September Temperature in Kallithea

In September, Kallithea, Greece, offers a delightful transition from the intense summer heat that characterizes the earlier months. With minimum temperatures around 13°C (55°F) and an average of 24°C (76°F), the days remain pleasantly warm, perfect for outdoor activities. However, as the month progresses, highs can reach a sizzling 37°C (98°F), inviting sun-seekers to soak in the last vestiges of summer. This gradual shift towards milder conditions sets the stage for a charming early autumn, blending warmth and comfort, making September an ideal month for visitors to enjoy both the sun-kissed beaches and discovering the rich cultural heritage of the region.

September Weather in Kallithea: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Kallithea, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec485154606977838376665952
Data source: Temperature data for Kallithea generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Kallithea

September in Kallithea, Greece, sees a brief return of rainfall after the parched summer months, recording an average precipitation of 17 mm (0.7 in) over just 2 days. This uptick in moisture marks a subtle transition from the scorching dryness of July and August, which contributed only a mere 9 mm (0.4 in) and 4 mm (0.2 in), respectively. As summer wanes, the landscape begins to rejuvenate, albeit slowly, with precipitation levels that are still significantly lower compared to the heavier rains of winter months. In October, an increase to 30 mm (1.2 in) suggests that Kallithea is gearing up for a wetter season, while September serves as an important indicator of this gradual shift, hinting at the coming fall festivities and the lush beauty that follows.

September Precipitation Trends in Kallithea

The chart displays monthly precipitation patterns in Kallithea, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec5748394223339417304866
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kallithea

In Kallithea, Greece, September brings a slight uptick in humidity, averaging 65% as the summer months begin to wane. This marks a transitional period, following the peak dryness of August, which recorded the lowest humidity of the year at 63%. As the cooler autumn air starts to assert itself, humidity levels rise gradually, indicating a shift from the arid conditions of high summer. Throughout the year, humidity tends to fluctuate, with the highest levels typically occurring in the winter months, such as January and December, both at 76%. This seasonal pattern showcases Kallithea’s diverse climate, making early fall an inviting time for outdoor activities as the air begins to regain its balance.

September Average Humidity in Kallithea

This chart illustrates the average monthly humidity levels in Kallithea, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%77%72%68%63%65%72%75%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kallithea

As September rolls into Kallithea, Greece, the UV Index remains high at 8, categorizing exposure as very high with a burn time of just 15 minutes. This marks a gradual decline from the peak summer months, where the UV Index consistently reached 10. Despite the slight decrease, sun safety remains paramount, as the potential for skin damage is still significant. With October on the horizon, a further dip to 7 is expected, shifting the exposure to high but still warranting caution. For detailed insights into UV levels throughout the year, visit the Kallithea UV Index.

Maximum UV Index Levels in Kallithea for September

The chart shows the monthly maximum UV Index (UVI) for Kallithea in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3468101010108743
Data source: Kallithea September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Kallithea

September in Kallithea, Greece, presents a delightful transition from the sun-drenched summer months to the gentler warmth of autumn. With 346 hours of sunshine, this month retains a generous glow, following the peak of 423 hours in July and 396 hours in August. The sunlight begins to soften, signaling the end of the bustling tourist season while still offering plenty of opportunities for sun-soaked adventures. Compared to the vibrant months preceding it, September’s sunshine provides a perfect balance—enough light to enjoy outdoor activities while the oppressive heat of high summer starts to wane. As October approaches with its 313 hours, September is a splendid time to soak up the lingering rays, enjoying the beautiful landscape in a more serene atmosphere.

Monthly Sunshine Duration in Kallithea: September Highlighted

The September sunshine duration represents the total number of hours Kallithea experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec200h252h328h346h398h409h423h396h346h313h261h250h
Data source: Kallithea September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kallithea During September

As the summer fades, September in Kallithea, Greece offers a delightful continuation of sunny days, boasting a 77% chance of sunshine. This month stands as a bridge between the peak summer heat of July and August, where the likelihood of clear skies soars to an impressive 94% and 95% respectively. Although September sees a slight dip from the summer's zenith, its sun-kissed days still surpass the September average in many regions, firmly establishing it as a great time to enjoy the Mediterranean climate. As autumn approaches, residents and visitors alike can relish the lingering warmth and vibrant blue skies, making it an ideal month for outdoor activities and memorable seaside experiences.

Percentage of Sunny Days in September in Kallithea

The chart illustrates the percentage of sunny days in Kallithea throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Kallithea experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%58%57%55%70%71%94%95%77%57%40%51%
Data source: Kallithea September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kallithea in September

As summer gradually gives way to autumn in Kallithea, Greece, September marks a subtle shift in daylight, with the sun gracing the sky for approximately 12 hours each day. This reduction follows the peak of summer, where June, July, and August bask in a generous 14 hours of sunlight, creating ideal conditions for outdoor activities and beach days. The daylight hours begin to wane, signaling the approach of the cooler months ahead, dropping to 13 hours in August and settling into a 12-hour rhythm by September. This transition reflects a natural ebb and flow, as the region experiences longer days in spring and summer, while shorter daylight persists in the winter months, ultimately underscoring the beautiful cyclical nature of Kallithea’s climate.

Average Daylight Hours in Kallithea for September

The chart illustrates the variation in daylight duration in Kallithea throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec590h646h718h791h854h884h868h813h743h670h606h573h
Data source: Kallithea daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Kallithea

As summer gives way to autumn, September in Kallithea, Greece, brings a gentle breeze with an average wind speed of 3.0 m/s (7 mph). This month's breezy conditions mark a subtle return to the more spirited winds reminiscent of January and July, both averaging at 3.2 m/s (7 mph) and 3.1 m/s (7 mph), respectively. Interestingly, it's also noteworthy that September's winds are slightly stronger than the preceding months of July and August, indicating a shift as nature prepares for the cooler months ahead. Overall, the transition into fall is characterized by a consistent and refreshing wind that adds a touch of vitality to the picturesque coastal landscape, making it a perfect time for outdoor activities and leisurely strolls along the shore.

Average September Wind Speed in Kallithea

The chart displays monthly wind speed patterns in Kallithea, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.02.92.62.41.83.12.73.0 m/s3.13.03.5
Data source: Kallithea September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Kallithea Compares to Other Months

The weather in Kallithea 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 Kallithea and find detailed weather information for every month.

In September, the weather is warm and vibrant, with average temperatures around 24°C (76°F) and highs reaching up to 37°C (98°F). While there are only a couple of days of precipitation, the humidity stays around 65%, creating a pleasantly warm atmosphere. In contrast, January brings a much cooler climate, with average temperatures dropping to 9°C (48°F) and nighttime lows falling to -4°C (25°F). This winter month experiences more frequent precipitation over about seven days, totaling 57 mm (2.2 in), coupled with higher humidity levels at 76%. For those interested in a detailed look at winter conditions, you can check out Kallithea weather in January.

September and February present contrasting weather patterns. In September, temperatures are significantly warmer, with a minimum of 13°C (55°F) and an average high of 24°C (76°F), peaking at a hot 37°C (98°F). The month sees relatively low precipitation, averaging just 17 mm (0.7 in) over 2 days, and humidity levels around 65%. In stark contrast, February is much cooler, characterized by a chilly minimum of 0°C (32°F) and a much lower average temperature of 10°C (51°F), with highs reaching only 20°C (68°F). February is also wetter, with 48 mm (1.9 in) of rainfall spread over 8 days, and higher humidity at 75%. For more detailed weather insights, you can check Kallithea weather in February.

September and March present contrasting weather patterns. In September, temperatures range from a mild 13°C (55°F) at night to a scorching 37°C (98°F) during the day, with an average temperature of 24°C (76°F). The humidity sits at a comfortable 65%, and the month typically sees only about 17 mm (0.7 in) of rainfall over just 2 days. In contrast, March experiences cooler temperatures, ranging from a chilly 0°C (32°F) at night to a pleasant 23°C (74°F) during the day, with an average of 12°C (54°F). The month is wetter, accumulating 39 mm (1.5 in) of rain across 5 days, and with humidity levels slightly higher at 74%. For more detailed insights into the weather in March, check out Kallithea weather in March.

When comparing the weather in September and April, it's clear that September tends to be much warmer and dryer. The average temperature in September reaches a comfortable 24°C (76°F), with maximum highs soaring up to 37°C (98°F), while April averages only 15°C (60°F), peaking at 29°C (85°F). Additionally, September experiences minimal precipitation, with only 17 mm (0.7 in) falling over just 2 days, compared to April’s 42 mm (1.6 in) spread over 5 days. Humidity levels are also higher in April, at 75%, compared to September’s 65%. For more details, you can check out Kallithea weather in April.

In September, the weather typically features a minimum temperature of 13°C (55°F) and an average high of 24°C (76°F), with some days soaring to a maximum of 37°C (98°F). This month sees relatively low precipitation, averaging just 17 mm (0.7 in) over about 2 days, and the humidity levels sit around 65%.

In contrast, May experiences slightly cooler temperatures with a minimum of 10°C (51°F) and an average of 21°C (70°F), while reaching up to 36°C (97°F) at its peak. Although May receives a bit more rainfall, averaging 23 mm (0.9 in) over 4 days, it also has higher humidity levels at 77%. For more detailed information on the weather during this month, you can check Kallithea weather in May.

Overall, while both months offer warm temperatures, September tends to be drier and less humid compared to the more humid and rainier May.

In comparing the weather of September and June, both months share similar minimum temperatures, with September averaging at 13°C (55°F) and June slightly higher at 13°C (56°F). However, June has a marginally warmer average temperature of 25°C (77°F), compared to September’s 24°C (76°F). When it comes to maximum temperatures, June reaches up to 38°C (101°F), while September peaks at 37°C (98°F). Precipitation levels are also noteworthy; June experiences more rainfall at 33 mm (1.3 in) over 5 days, compared to September’s 17 mm (0.7 in) over just 2 days. Additionally, humidity is higher in June at 71% versus September's 65%. For more details on June weather, you can visit Kallithea weather in June.

Comparing the weather in September to that of July reveals notable differences. September tends to have milder temperatures, with a minimum of 13°C (55°F) and an average of 24°C (76°F), whereas July is warmer, starting at a minimum of 19°C (67°F) and averaging 28°C (83°F). The maximum temperatures in July can soar to 42°C (108°F), compared to September's peak of 37°C (98°F). Additionally, while both months see precipitation for 2 days, September receives slightly more rain at 17 mm (0.7 in) compared to July's 9 mm (0.4 in). Humidity levels remain relatively similar, with September at 65% and July at 68%. For a more detailed look at the weather patterns, you can check Kallithea weather in July.

In comparing the weather between September and August, September generally experiences a drop in average temperatures, with a minimum of 13°C (55°F) and an average high of 37°C (98°F), compared to August's warmer range with a minimum of 19°C (66°F) and an average high of 43°C (109°F). Precipitation is more frequent in September, with 17 mm (0.7 in) over 2 days, whereas August is remarkably dry, recording only 4 mm (0.2 in) with no rainy days. Humidity levels remain relatively stable, with September at 65% and August slightly lower at 63%. For more detailed information, you can check Kallithea weather in August.

In September, the weather typically features warmer temperatures, with a minimum of 13°C (55°F) and an average high of 24°C (76°F), reaching up to 37°C (98°F) on hotter days. There is relatively low precipitation, with only 17 mm (0.7 in) falling over just 2 days, and humidity levels averaging around 65%. In contrast, October brings a noticeable drop in temperatures, with a minimum of 7°C (45°F) and an average of 19°C (66°F), peaking at 31°C (89°F). The month sees increased precipitation, totaling 30 mm (1.2 in) over 4 days, and humidity rises slightly to 72%. For more detailed information on weather conditions in October, you can check Kallithea weather in October.

In September, the weather showcases warmer temperatures, with minimums around 13°C (55°F) and maximums reaching up to 37°C (98°F), making it a hotter and drier month overall. With average temperatures around 24°C (76°F) and only 17 mm (0.7 in) of precipitation over just 2 days, September offers more sunshine and lower humidity at 65%. In contrast, November brings a significant drop in temperature, where minimums plummet to 4°C (39°F) and the average settles at just 15°C (59°F). The weather in November is characterized by increased precipitation of 48 mm (1.9 in) over 7 days and higher humidity levels at 75%. For a closer look at the distinct climate during this time, check out Kallithea weather in November.

In September, the weather is warm and pleasant, with average temperatures around 24°C (76°F) and maximums reaching up to 37°C (98°F). The month typically sees only 17 mm (0.7 in) of precipitation over just two days, making it relatively dry. In contrast, December brings much cooler temperatures, averaging 11°C (53°F), with lows plunging to 1°C (34°F) and highs reaching 21°C (70°F). The month is also significantly wetter, with 66 mm (2.6 in) of rain spread over nine days. The increase in humidity to 76% in December adds to the cooler, more damp atmosphere, creating a stark difference from the warm, dry days of September. For more detailed information, check out Kallithea weather in December.

Compare Kallithea's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Kallithea

As summer fades, September in Kallithea ushers in a delightful shift in weather, offering a pleasing blend of warmth and comfort. With temperatures averaging around a mild 24°C (76°F), the sweltering peaks of summer become more manageable, while the occasional maximum of 37°C (98°F) still provides a taste of the heat for the lingering sun-seekers. Rainfall is minimal, with only two days bringing light showers, making September a comparatively dry month. The 65% humidity adds a slight stickiness to the air, yet it is often more pleasant than the peak summer months. For those contemplating a visit, September is an ideal time to experience Kallithea's beauty without the summer crowds. For a deeper dive into the weather nuances throughout the year, check out Kallithea Climate.