September Weather in Cay, Turkey

Last updated: August 27, 2025

In September, the average temperature in Cay, Turkey hovers around 20°C (69°F), making it a pleasant time to visit. Expect a minimum of 5°C (41°F) and a maximum of 36°C (96°F), showcasing the variability of the climate. You might encounter some rain, with precipitation averaging 10 mm (0.4 in) over just 1 day. The air is generally comfortable, with an average humidity of 47%.

September Temperature in Cay

In September, in Cay, the average temperature is 20°C (69°F). Maximum temperatures can reach 36°C (96°F), while minimums can drop as low as 5°C (41°F). Pack accordingly to enjoy the diverse climate during your travels!

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

The chart illustrates September temperature patterns in Cay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cay, September typically has an average temperature of 20°C (69°F), with highs reaching up to 36°C (96°F) and lows dropping to around 5°C (41°F).

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

September Precipitation in Cay

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

September Precipitation Trends in Cay

The chart displays monthly precipitation patterns in Cay, 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 Cay, 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 Cay

In Cay in September humidity is 47%. With an average temperature of 20°C (69°F), this humidity feels like a pleasant and comfortable embrace, ideal for exploring the local sights and enjoying outdoor activities without feeling overly sticky or fatigued.

September Average Humidity in Cay

This chart illustrates the average monthly humidity levels in Cay, 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 Cay is approximately 47%, 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 Cay

In Cay 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 Cay.

Maximum UV Index Levels in Cay for September

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

Data source: Cay 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 Cay Compares to Other Months

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

This table compares monthly weather conditions in Cay, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	51 mm (2.0 inches)	89%	moderate
February Weather	3°C (38°F)	38 mm (1.5 inches)	89%	moderate
March Weather	6°C (43°F)	55 mm (2.2 inches)	86%	very high
April Weather	11°C (52°F)	36 mm (1.4 inches)	76%	very high
May Weather	16°C (61°F)	48 mm (1.9 inches)	74%	very high
June Weather	19°C (67°F)	44 mm (1.7 inches)	66%	extreme
July Weather	24°C (75°F)	6 mm (0.2 inches)	50%	extreme
August Weather	24°C (75°F)	13 mm (0.5 inches)	35%	extreme
September Weather	20°C (69°F)	10 mm (0.4 inches)	47%	very high
October Weather	14°C (58°F)	18 mm (0.7 inches)	71%	high
November Weather	8°C (47°F)	27 mm (1.0 inches)	86%	moderate
December Weather	4°C (40°F)	69 mm (2.7 inches)	90%	moderate