September Weather in Kallithea, Greece

Last updated: February 6, 2025

September in Kallithea showcases a delightful transition into autumn, with average temperatures hovering around a comfortable 21°C (71°F). The month boasts a maximum of 29°C (85°F), perfect for enjoying outdoor activities, while nights cool down to a refreshing minimum of 11°C (51°F). Visitors can expect moderate humidity levels at 56%, contributing to a pleasant atmosphere. Despite the generally favorable weather, a total of 38 mm (1.5 in) of rain occurs over about 6 days, urging adventurers to keep an eye on the forecast. Enjoy the vibrant beauty of Kallithea as the summer warmth begins to give way to the charm of fall.

September Temperature in Kallithea

As summer transitions into autumn, Kallithea, Greece experiences a delightful change in September temperatures. With a minimum of 11°C (51°F) and a comfortable average of 21°C (71°F), the weather remains pleasantly warm, ideal for outdoor activities and exploring the stunning coastline. The maximum temperature of 29°C (85°F) allows for those last few sun-soaked days before the cooler months set in. This month strikes a fine balance, providing a taste of summer warmth while hinting at the approaching fall chill, making it an attractive time for visitors seeking to enjoy the lingering heat without the peak season crowds.

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.
JanFebMarAprMayJunJulAugSepOctNovDec414649556471767771615446
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

In September, Kallithea, Greece, experiences a notable decline in precipitation, with only 38 mm (1.5 in) of rainfall over just 6 days. This reduction marks the transition into the drier autumn months, following the peak summer heat where August recorded a mere 42 mm (1.6 in). The shift indicates a gradual decrease in wet days, compared to the busy summer, creating a more stable climate ideal for outdoor activities. As the year progresses, October brings a resurgence in rainfall, highlighting the cyclical nature of Kallithea's precipitation patterns, where the autumn months generally see an uptick in moisture after the summer lull.

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.
JanFebMarAprMayJunJulAugSepOctNovDec908810677739280423893187115
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kallithea

In September, Kallithea, Greece experiences a significant shift in humidity levels, rising to 56% after the summer months. This increase marks a transition from the notably low humidity of 43% in August, signaling the onset of autumn. As the year progresses, September’s humidity is a precursor to the much higher levels observed in the following months, with October jumping to 74% and reaching 87% by November. Overall, the trend highlights a seasonal rhythm in Kallithea, where summer's dry heat gives way to the moisture-rich air of fall, creating a refreshing and comfortable atmosphere as the temperatures begin to cool.

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.
JanFebMarAprMayJunJulAugSepOctNovDec89%84%81%72%72%57%50%43%56%74%87%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kallithea

As summer transitions to autumn in Kallithea, Greece, September maintains a very high UV Index of 8, indicating a continued need for caution under the sun. This month, sunbathers can expect an approximate burn time of just 15 minutes without adequate protection, similar to the intensity levels experienced in the heart of summer. The slight decline from August’s peak UV Index of 9 reflects the changing season but reinforces the importance of sun safety as autumn approaches. With the UV index set to drop in October, now is the time to soak up the last rays of summer while being mindful of the sun's strength. For more detailed information about UV levels throughout the year, visit 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.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
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

In Kallithea, Greece, September offers a delightful blend of warmth and sunshine, boasting 346 hours of bright daylight. As summer transitions into autumn, the sun-soaked days are still abundant, although less intense than the peak of July, which recorded a remarkable 424 hours. This gradual decline from summer's peak sets the stage for a comfortable climate, making September a splendid time to explore the region. While the month holds onto the sunny vibes of late summer, it also embraces the crispness of the upcoming fall, as daylight tapers off, enticing visitors to enjoy leisurely beach days and serene sunset strolls. Overall, September serves as a beautiful bridge between two vibrant seasons, allowing locals and travelers alike to bask in the lingering warmth before the cooler months arrive.

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.
JanFebMarAprMayJunJulAugSepOctNovDec189h230h312h337h397h400h424h395h346h296h238h232h
Data source: Kallithea September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kallithea During September

In Kallithea, Greece, September marks a transitional period as the summer sun begins to wane. With a 54% chance of sunny weather, the month offers a pleasant balance between warmth and the onset of autumn. This probability demonstrates a slight dip from the peak summer months of July and August, which enjoy impressive chances of sunshine at 80% and 81% respectively. However, September still outshines the earlier months of the year, suggesting that while beach days might decrease, ample opportunities for outdoor exploration remain. As summer's vibrancy begins to fade, it paves the way for a gentle embrace of the cooler, more temperate days ahead.

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.
JanFebMarAprMayJunJulAugSepOctNovDec40%58%50%51%57%65%80%81%54%40%31%48%
Data source: Kallithea September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kallithea in September

As September unfolds in Kallithea, Greece, the daylight begins to wane, offering around 12 hours of sunlight—a gentle decline from the peak of summer's 14 hours in the preceding months. This shift marks a transitional phase, as the vibrant long days of June, July, and August give way to the softer, shorter stretches of autumn. Compared to the previous months, the decrease in daylight serves as a reminder of the changing seasons, leading into October's 11 hours. This gradual reduction not only reflects the rhythm of nature but also invites residents and visitors alike to savor the crisp, cooling days where the sun casts a warm glow over the picturesque landscapes of Kallithea.

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.
JanFebMarAprMayJunJulAugSepOctNovDec9h 39m10h 40m11h 57m13h 17m14h 24m14h 58m14h 40m13h 41m12h 24m11h 5m9h 56m9h 20m
Data source: Kallithea daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Kallithea

As September unfolds in Kallithea, Greece, the average wind speed hovers at a gentle 2.4 m/s (5 mph), mirroring the subtle breezes of the preceding months. This calming consistency marks a slight dip from the brisker winds found in the beginning and end of the year, specifically in January and December, where speeds reach up to 3.1 m/s (7 mph). The transitional warmth of September is characterized by these softer currents, as the summer winds gradually relinquish their hold, creating an inviting atmosphere for leisurely seaside strolls. As the year progresses, the wind whispers its quiet tale, hinting at the approach of autumn while maintaining a serene embrace that complements Kallithea's enchanting coastline.

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.
JanFebMarAprMayJunJulAugSepOctNovDec3.12.52.72.52.52.22.42.42.4 m/s2.52.33.1
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.

September offers a mild and pleasant climate, with average temperatures ranging from a minimum of 11°C (51°F) to a maximum of 29°C (85°F) and relatively low humidity at 56%. Precipitation is moderate, with only 38 mm (1.5 in) over approximately 6 days, making it an ideal time for outdoor activities. In contrast, January presents a starkly different picture, characterized by colder temperatures that drop to a minimum of -11°C (12°F) and averages around 5°C (42°F), with maximums reaching only 16°C (62°F). The month is also significantly wetter, receiving 90 mm (3.5 in) of precipitation over 11 days and featuring higher humidity levels at 89%. For those interested in more details, you can check out Kallithea weather in January.

September and February present strikingly different weather patterns. September enjoys milder temperatures, with averages around 21°C (71°F) and highs reaching up to 29°C (85°F), complemented by lower humidity at 56%. In contrast, February brings a chill, featuring average temperatures of only 8°C (46°F) and lows dipping to -6°C (21°F), along with considerably higher humidity at 84%. Additionally, February experiences more precipitation, with 88 mm (3.5 in) over 12 days, compared to September's 38 mm (1.5 in) over just 6 days. For more details on February's weather, visit Kallithea weather in February.

When comparing the weather in September and March, it's evident that they offer quite different experiences. September tends to be warmer, with average temperatures around 21°C (71°F) and highs reaching up to 29°C (85°F), while March is much cooler, with an average temperature of only 9°C (49°F) and maximums peaking at 19°C (66°F). Additionally, September sees relatively low precipitation of 38 mm (1.5 in) over about 6 days, contrasting sharply with March, which experiences significantly higher rainfall of 106 mm (4.2 in) across 12 days. The humidity levels also differ, with March presenting a more humid environment at 81% compared to September's 56%. For more detailed information, check out Kallithea weather in March.

When comparing the weather in September to that in April, one can observe distinct differences in temperature and precipitation patterns. September boasts a milder climate with average temperatures ranging from a minimum of 11°C (51°F) to a maximum of 29°C (85°F), while April experiences cooler conditions, with temperatures ranging from 2°C (36°F) to 24°C (75°F), resulting in an average of only 13°C (55°F). Furthermore, April is characterized by higher precipitation, receiving 77 mm (3.0 in) over 11 days, compared to September’s 38 mm (1.5 in) over just 6 days. Additionally, April has a higher humidity level at 72%, compared to September’s 56%. For more detailed insights regarding the weather in April, you can check Kallithea weather in April.

September and May present distinct weather patterns, making for varied experiences. In September, temperatures range from a comfortable 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 about 38 mm (1.5 in) of precipitation over approximately 6 days, with humidity levels around 56%. In contrast, May features slightly cooler temperatures, with a minimum of 10°C (49°F) and a maximum of 28°C (82°F), averaging at 18°C (64°F). This month brings more rainfall, totaling 73 mm (2.9 in) spread over 12 days, and higher humidity at 72%. For more specifics, you can check Kallithea weather in May. Overall, while both months are pleasant, September tends to be warmer and drier, whereas May is cooler and wetter.

When comparing the weather in September and June, we find that both months have similar average temperatures, around 21°C (71°F). June tends to be warmer overall, with maximum temperatures reaching up to 32°C (91°F), while September peaks at 29°C (85°F). Additionally, September experiences significantly less precipitation, with only 38 mm (1.5 in) over 6 days, compared to June's 92 mm (3.6 in) over 15 days. Humidity is also slightly higher in June at 57%, compared to September's 56%. For a closer look at the specifics of June's weather, you can visit Kallithea weather in June.

When comparing the weather in September and July, we see some distinct differences. September typically features a milder temperature range with minimums around 11°C (51°F), averaging 21°C (71°F) and maxing out at 29°C (85°F). In contrast, July is warmer, with minimum temperatures of 16°C (61°F), an average of 24°C (76°F), and maximums reaching 32°C (90°F). Additionally, July experiences more rainfall, totaling 80 mm (3.1 in) over 9 days, while September has only 38 mm (1.5 in) across 6 days. Humidity levels are also slightly higher in September at 56%, compared to 50% in July. For more detailed insights, you can check Kallithea weather in July.

In comparing the weather between August and September, we see notable differences in temperature and humidity. August enjoys warmer temperatures, with a minimum of 17°C (64°F), an average of 25°C (77°F), and a maximum of 34°C (94°F), while September offers cooler conditions, with a minimum of 11°C (51°F) and a maximum of 29°C (85°F). Precipitation levels are slightly lower in September at 38 mm (1.5 in) over 6 days, compared to August's 42 mm (1.6 in) across 7 days. Additionally, September has higher humidity at 56%, while August maintains a lower level at 43%. For a more detailed look at August weather, you can visit Kallithea weather in August.

September typically boasts warmer temperatures, with daily averages around 21°C (71°F) and maximum readings reaching 29°C (85°F). In contrast, October's weather cools significantly, featuring an average temperature of 16°C (61°F) and a maximum of 25°C (78°F). Additionally, October experiences increased humidity at 74%, compared to September's 56%, alongside a rise in precipitation levels, which jump from 38 mm (1.5 in) over 6 days in September to 93 mm (3.6 in) over 10 days in October. For more details, check out this link: Kallithea weather in October.

September typically enjoys warmer temperatures, 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). In contrast, November sees a significant drop in temperatures, with lows around 3°C (37°F) and highs peaking at 20°C (69°F), averaging just 12°C (54°F). Additionally, September experiences relatively low precipitation at 38 mm (1.5 in) over about 6 days, while November presents a much wetter climate, accumulating 187 mm (7.3 in) of rain over 14 days. The humidity also rises considerably in November, reaching 87%, compared to September's 56%. For more specific details about the weather in Kallithea during November, visit Kallithea weather in November.

September and December offer starkly contrasting weather conditions. In September, temperatures range from a minimum of 11°C (51°F) to a maximum of 29°C (85°F), with pleasant average temperatures around 21°C (71°F). The month sees relatively low precipitation at 38 mm (1.5 in) over just six days and a moderate humidity level of 56%. In contrast, December experiences much cooler temperatures, with lows of -1°C (31°F) and highs of 16°C (62°F), averaging only 8°C (47°F). It is also a wetter month, with precipitation totaling 115 mm (4.5 in) over 11 days and significantly higher humidity at 89%. For more details, you can check Kallithea weather in December.

Compare Kallithea's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Kallithea

As summer transitions into autumn, September in Kallithea offers a delightful blend of warm days and cooler nights, making it a perfect time to enjoy the outdoors. While temperatures remain pleasantly mild, the month is characterized by a noticeable decrease in heat compared to July and August, inviting visitors to explore the region's stunning landscapes without the sweltering conditions. Rainfall begins to increase slightly, with occasional refreshing showers adding to the lushness of the environment. This balance of warmth and humidity, coupled with relatively low precipitation days, makes September an ideal month for travel and outdoor activities. For a deeper look into the annual weather patterns, check out the comprehensive Kallithea Climate.