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September Weather in Kostakioi, Greece

Last updated: August 23, 2025

In September, the average temperature in Kostakioi, Greece is a pleasant 20°C (69°F). Be prepared for a range, as temperatures can drop to a cool 7°C (45°F) or soar to a warm 35°C (94°F). Expect about 50 mm (2.0 in) of precipitation spread over 6 days, with an average humidity level of 56%. Enjoy the climate while planning your activities!

September Temperature in Kostakioi

In September in Kostakioi, the average temperature is 20°C (69°F). The maximum can reach 35°C (94°F), while the minimum can drop as low as 7°C (45°F). Pack accordingly to enjoy the pleasant days and cooler evenings during your travels.

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

The chart illustrates September temperature patterns in Kostakioi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kostakioi, September typically has an average temperature of 20°C (69°F), with highs reaching up to 35°C (94°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec414548546269757769605345
Data source: Temperature data for Kostakioi 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 Kostakioi

In Kostakioi in September, the precipitation amount is 50 mm (2.0 in) over the course of 6 days.

September Precipitation Trends in Kostakioi

The chart displays monthly precipitation patterns in Kostakioi, 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. In Kostakioi, September typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec17816712775757132195092196279
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kostakioi

In Kostakioi in September, humidity is 56%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, creating a sensation that is comfortable for traveling but may leave you feeling a bit sticky as you explore the sights.

September Average Humidity in Kostakioi

This chart illustrates the average monthly humidity levels in Kostakioi, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Kostakioi is approximately 56%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%76%70%72%60%56%47%56%70%80%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kostakioi

In Kostakioi in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Kostakioi.

Maximum UV Index Levels in Kostakioi for September

The chart shows the monthly maximum UV Index (UVI) for Kostakioi 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. In September, the maximum UV index in Kostakioi typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010108643
Data source: Kostakioi 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.

How September Weather in Kostakioi Compares to Other Months

Weather in Kostakioi varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kostakioi, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Kostakioi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)177 mm (7.0 inches)84%moderate
February Weather7°C (46°F)167 mm (6.6 inches)78%moderate
March Weather9°C (48°F)127 mm (5.0 inches)75%high
April Weather12°C (55°F)75 mm (2.9 inches)70%very high
May Weather17°C (62°F)75 mm (2.9 inches)72%very high
June Weather21°C (69°F)71 mm (2.8 inches)60%very high
July Weather24°C (76°F)32 mm (1.2 inches)56%very high
August Weather25°C (77°F)19 mm (0.7 inches)47%very high
September Weather20°C (69°F)50 mm (2.0 inches)56%very high
October Weather15°C (60°F)92 mm (3.6 inches)70%high
November Weather12°C (53°F)196 mm (7.7 inches)80%moderate
December Weather7°C (46°F)279 mm (11.0 inches)83%moderate

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