September weather forecastDereköy, Turkey
September
Weather in September
September, the first month of the autumn in Dereköy, is still a warm month, with temperature in the range of an average high of 25.5°C (77.9°F) and an average low of 15.3°C (59.5°F).Temperature
The arrival of September signals a subtle shift in temperature, down from a hot 30.2°C (86.4°F) in August to a moderately hot 25.5°C (77.9°F). Dereköy's temperature drops to an average low of 15.3°C (59.5°F) during the nights of September.Humidity
In September, the average relative humidity is 62%.Rainfall
In September, the rain falls for 7.1 days. Throughout September, 20mm (0.79") of precipitation is accumulated. Throughout the year, there are 132.4 rainfall days, and 438mm (17.24") of precipitation is accumulated.Snowfall
April through September are months without snowfall.Sea temperature
In September, the average sea temperature is 23°C (73.4°F).Note: Swimming in 23°C (73.4°F) water can be enjoyable based on one's cold tolerance and conditions like sunshine, wind, and ambient temperature. (Olympic swimmers compete in waters between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In Dereköy, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 06:36 and sunset at 19:44. On the last day of the month, sunrise is at 07:06 and sunset at 18:53 +03.
Sunshine
In Dereköy, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Around midday, solar radiation is most harmful; hence, exposure should be limited. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Warning! Sand and water reflections boost the intensity of UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dereköy, Turkey
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is August (18.7°C).
The coldest month (with the lowest average low temperature) is January (-0.2°C).
Average pressure in September
Dereköy, Turkey
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is July (1012.1mbar).
Average wind speed in September
Dereköy, Turkey
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is June (10.8km/h).
Average humidity in September
Dereköy, Turkey
- Average humidity in September: 62%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Dereköy, Turkey
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is January (56mm).
The driest month (with the least rainfall) is August (7mm).
Average rainfall days in September
Dereköy, Turkey
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in September
Dereköy, Turkey
- Average snowfall in September: 0mm
The month with the highest snowfall is January (59mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Dereköy, Turkey
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are April, May, June, July, August and September (0 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).
The 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: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 6min
The months with the most sunshine are June and July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Dereköy, Turkey
- Average sunshine days in September: 21.4 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Dereköy, Turkey
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Dereköy, Turkey
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Dereköy, Turkey
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).





