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September Weather in Cayeli, Turkey

Last updated: August 27, 2025

In September, the average temperature in Cayeli, Turkey hovers around 18°C (64°F), offering a comfortable climate. Expect minimums dipping to 7°C (45°F) and maximums soaring up to 30°C (85°F). With an average precipitation of 271 mm (10.7 in) spread over 21 days, it's advisable to carry an umbrella while enjoying the outdoors. Moreover, the average humidity stands at 61%, contributing to a pleasantly mild atmosphere.

September Temperature in Cayeli

In September in Cayeli, the average temperature is 18°C (64°F), with maximums reaching 30°C (85°F) and minimums dipping as low as 7°C (45°F). This mild climate makes it an ideal destination for travelers seeking comfortable weather for outdoor activities.

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

The chart illustrates September temperature patterns in Cayeli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cayeli, September typically has an average temperature of 18°C (64°F), with highs reaching up to 30°C (85°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec383942495764686864574843
Data source: Temperature data for Cayeli 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 Cayeli

In Cayeli in September, the precipitation amount is recorded at 271 mm (10.7 in) over a span of 21 days.

September Precipitation Trends in Cayeli

The chart displays monthly precipitation patterns in Cayeli, 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 Cayeli, September typically receives around 271 mm (10.7 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec139133185122188212259284271240173176
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cayeli

In Cayeli in September, humidity is 61%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, creating a pleasantly sticky atmosphere that can make outdoor exploration feel a bit more strenuous but also adds a certain tropical charm to your travels.

September Average Humidity in Cayeli

This chart illustrates the average monthly humidity levels in Cayeli, 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 Cayeli is approximately 61%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%89%85%83%80%77%72%60%61%75%84%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cayeli

In Cayeli 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 Cayeli.

Maximum UV Index Levels in Cayeli for September

The chart shows the monthly maximum UV Index (UVI) for Cayeli 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 Cayeli typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347810101098632
Data source: Cayeli 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 Cayeli Compares to Other Months

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

This table compares monthly weather conditions in Cayeli, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)139 mm (5.5 inches)87%moderate
February Weather4°C (39°F)133 mm (5.2 inches)89%moderate
March Weather5°C (42°F)185 mm (7.3 inches)85%high
April Weather9°C (49°F)122 mm (4.8 inches)83%very high
May Weather14°C (57°F)188 mm (7.4 inches)80%very high
June Weather18°C (64°F)212 mm (8.3 inches)77%very high
July Weather20°C (68°F)258 mm (10.2 inches)72%very high
August Weather20°C (68°F)284 mm (11.2 inches)60%very high
September Weather18°C (64°F)271 mm (10.7 inches)61%very high
October Weather14°C (58°F)240 mm (9.5 inches)75%high
November Weather9°C (49°F)173 mm (6.8 inches)84%moderate
December Weather6°C (43°F)176 mm (6.9 inches)85%low

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