September Weather in Kastri, Greece

Last updated: August 23, 2025

In Kastri, Greece, the average temperature in September is a comfortable 25°C (78°F), with daily variations ranging from a minimum of 20°C (68°F) to a maximum of 29°C (84°F). Expect light precipitation, averaging 10 mm (0.4 in) over just 1 day, alongside a pleasant humidity level of 74%.

September Temperature in Kastri

In September in Kastri, the average temperature is 25°C (78°F), with maximums reaching 29°C (84°F) and minimums dropping to 20°C (68°F). This pleasant climate makes it an ideal time for outdoor activities and exploring the local attractions.

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

The chart illustrates September temperature patterns in Kastri, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kastri, September typically has an average temperature of 25°C (78°F), with highs reaching up to 29°C (84°F) and lows dropping to around 20°C (68°F).

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

September Precipitation in Kastri

In Kastri in September, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.

September Precipitation Trends in Kastri

The chart displays monthly precipitation patterns in Kastri, 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 Kastri, September typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 1 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 Kastri

In Kastri in September humidity is 74%. With an average temperature of 25°C (78°F), this humidity feels like you're enveloped in a warm, thick blanket, making outdoor activities feel more strenuous and necessitating frequent breaks and hydration for comfortable travel.

September Average Humidity in Kastri

This chart illustrates the average monthly humidity levels in Kastri, 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 Kastri is approximately 74%, 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 Kastri

In Kastri in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Kastri.

Maximum UV Index Levels in Kastri for September

The chart shows the monthly maximum UV Index (UVI) for Kastri 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 Kastri typically reaches 9, which falls under the very high exposure category.

Data source: Kastri 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 Kastri Compares to Other Months

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

This table compares monthly weather conditions in Kastri, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (58°F)	57 mm (2.2 inches)	71%	moderate
February Weather	15°C (59°F)	55 mm (2.2 inches)	72%	moderate
March Weather	15°C (59°F)	36 mm (1.4 inches)	74%	high
April Weather	17°C (62°F)	15 mm (0.6 inches)	78%	very high
May Weather	20°C (68°F)	2 mm (0.1 inches)	84%	very high
June Weather	23°C (73°F)	1 mm (0.1 inches)	83%	very high
July Weather	26°C (79°F)	0 mm (0.0 inches)	81%	very high
August Weather	27°C (81°F)	0 mm (0.0 inches)	78%	very high
September Weather	25°C (78°F)	10 mm (0.4 inches)	74%	very high
October Weather	23°C (73°F)	34 mm (1.3 inches)	73%	high
November Weather	20°C (68°F)	55 mm (2.1 inches)	71%	moderate
December Weather	17°C (62°F)	95 mm (3.7 inches)	71%	moderate