September Weather in Keratsini, Greece

Last updated: August 23, 2025

The average temperature in Keratsini, Greece during September is a pleasant 24°C (75°F). Expect a range from a refreshing 14°C (57°F) to a warm 35°C (96°F). With an average precipitation of 22 mm (0.9 in) over 2 days, this month can be a bit wet, complemented by an average humidity of 65%.

September Temperature in Keratsini

In September in Keratsini, the average temperature is 24°C (75°F). Maximum temperatures can reach 35°C (96°F), while minimums can drop to as low as 14°C (57°F). This makes Keratsini an ideal destination for travelers looking to enjoy warm weather while still having the option for cooler evenings.

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

The chart illustrates September temperature patterns in Keratsini, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keratsini, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 14°C (57°F).

Data source: Temperature data for Keratsini generated using information from the Copernicus Climate Change Service.

September Precipitation in Keratsini

In Keratsini in September, the precipitation amount is 22 mm (0.9 in) over a span of 2 days.

September Precipitation Trends in Keratsini

The chart displays monthly precipitation patterns in Keratsini, 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 Keratsini, September typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 2 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Keratsini

In Keratsini in September humidity is 65%. With average temperature 24°C (75°F), this humidity feels like a warm blanket enveloping you, making outdoor activities a bit sticky but still enjoyable for exploring sights and sounds.

September Average Humidity in Keratsini

This chart illustrates the average monthly humidity levels in Keratsini, 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 Keratsini is approximately 65%, offering insight into how humid the weather typically is during this month.

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

September UV Index in Keratsini

In Keratsini 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 Keratsini.

Maximum UV Index Levels in Keratsini for September

The chart shows the monthly maximum UV Index (UVI) for Keratsini 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 Keratsini typically reaches 8, which falls under the very high exposure category.

Data source: Keratsini 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 Keratsini Compares to Other Months

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

This table compares monthly weather conditions in Keratsini, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	60 mm (2.3 inches)	76%	moderate
February Weather	10°C (51°F)	53 mm (2.1 inches)	75%	moderate
March Weather	12°C (53°F)	41 mm (1.6 inches)	74%	high
April Weather	15°C (59°F)	42 mm (1.6 inches)	75%	very high
May Weather	20°C (68°F)	22 mm (0.9 inches)	77%	very high
June Weather	24°C (76°F)	31 mm (1.2 inches)	71%	very high
July Weather	27°C (82°F)	9 mm (0.4 inches)	68%	very high
August Weather	28°C (82°F)	5 mm (0.2 inches)	63%	very high
September Weather	24°C (75°F)	22 mm (0.9 inches)	65%	very high
October Weather	19°C (66°F)	40 mm (1.6 inches)	72%	high
November Weather	15°C (59°F)	56 mm (2.2 inches)	75%	moderate
December Weather	11°C (53°F)	68 mm (2.7 inches)	76%	moderate