September weather forecastGöynük, Turkey
September
Weather in September
The first month of the autumn, September, is still a warm month in Göynük, Turkey, with temperature in the range of an average high of 25.2°C (77.4°F) and an average low of 14.6°C (58.3°F).Temperature
September witnesses a gentle descent in average high-temperature, descending from August's 29.1°C (84.4°F) to a still warm 25.2°C (77.4°F). The average low-temperature, in September, is a moderate 14.6°C (58.3°F).Humidity
In September, the average relative humidity in Göynük is 69%.Rainfall
In Göynük, Turkey, in September, during 8.8 rainfall days, 17mm (0.67") of precipitation is typically accumulated. Throughout the year, there are 138.2 rainfall days, and 458mm (18.03") of precipitation is accumulated.Snowfall
In Göynük, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 06:24 and sunset at 19:28. On the last day of the month, sunrise is at 06:52 and sunset at 18:40 +03.
Sunshine
The average sunshine in September in Göynük is 9h.UV index
In Göynük, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Göynük, Turkey
- Average high temperature in September: 25.2°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in September: 14.6°C
The month with the highest average low temperature is August (17.2°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in September
Göynük, Turkey
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1011.5mbar).
Average wind speed in September
Göynük, Turkey
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is January (10.6km/h).
The calmest month (with the lowest average wind speed) is October (8.2km/h).
Average humidity in September
Göynük, Turkey
- Average humidity in September: 69%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is April (68%).
Average rainfall in September
Göynük, Turkey
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is August (14mm).
Average rainfall days in September
Göynük, Turkey
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (4.5 days).
Average snowfall in September
Göynük, Turkey
- Average snowfall in September: 0mm
The month with the highest snowfall is January (118mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Göynük, Turkey
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Göynük, Turkey
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in September
Göynük, Turkey
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in September
Göynük, 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
Göynük, Turkey
- Average cloud cover in September: 24
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Göynük, Turkey
- Average visibility in September: 9km
The months with the highest visibility are June and November (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October and December (9km).





