Dereköy
Turkey
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Dereköy, Turkey

The first month of the autumn, September, is also a moderately hot month in Dereköy, Turkey, with temperature in the range of an average low of 19°C (66.2°F) and an average high of 29°C (84.2°F).

Temperature

In Dereköy, the average high-temperature in September marginally drops, from a tropical 32°C (89.6°F) in August, to a warm 29°C (84.2°F). In September, in Dereköy, the average low-temperature is 19°C (66.2°F).

Rainfall

In September, the rain falls for 5 days. Throughout September, 18mm (0.7") of precipitation is accumulated. In Dereköy, during the entire year, the rain falls for 92 days and collects up to 761mm (30") of precipitation.

Sea temperature

In Dereköy, the average water temperature is 23°C (73.4°F).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23°C (73.4°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

The average length of the day in September is 12.5h.

Sunshine

In Dereköy, the average sunshine in September is 11h.

UV index

In Dereköy, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in Dereköy?

In Dereköy, in September, the average high-temperature is 29°C (84.2°F), and the average low-temperature is 19°C (66.2°F).

How many days does it rain in September in Dereköy?

In Dereköy, in September, during 5 rainfall days, 18mm (0.7") of precipitation is typically accumulated.

How warm is the water in September in Dereköy?

In September, the average sea temperature in Dereköy, Turkey, is 23°C (73.4°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23°C (73.4°F) water.

How many hours of daylight does Dereköy have in September?

In Dereköy, Turkey, the average length of the day in September is 12.5h.

How long on average sun shines in September in Dereköy?

In Dereköy, the average sunshine in September is 11h.

What is the UV index reading in September in Dereköy?

The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Dereköy, Turkey
  • Average high temperature in September: 29°C

Warmest months (with the highest average high temperature) are July and August (32°C).
Months with the lowest average high temperature are January and February (14°C).

  • Average low temperature in September: 19°C

The month with the highest average low temperature is July (22°C).
Coldest months (with the lowest average low temperature) are January and February (7°C).

Average rainfall in September - Dereköy, Turkey
  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is January (167mm).
The driest month (with the lowest rainfall) is July (2mm).

Average rainfall days in September - Dereköy, Turkey
  • Average rainfall days in September: 5 days

The month with the highest number of rainy days is December (14 days).
The month with the lowest number of rainy days is June (3 days).

Average sea temperature in September - Dereköy, Turkey
  • Average sea temperature in September: 23°C

The best month for swimming (with the highest average sea temperature) is August (24°C).
Coldest months (with the lowest average sea temperature) are January, February and March (16°C).

Average daylight in September / Average sunshine in September - Dereköy, Turkey
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 11h

The month with most sunshine is July (Average sunshine: 14h).
Months with least sunshine are January and December (Average sunshine: 5).

Average UV index in September - Dereköy, Turkey
  • Average UV index in September: 7

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).