September weather forecastCopenhagen, NY
September
Weather in September
September, the first month of the autumn in Copenhagen, is still a pleasant month, with an average temperature varying between 69.1°F (20.6°C) and 52°F (11.1°C).Temperature
September brings a slight decrease in temperature, down from a warm 75.6°F (24.2°C) in August to a pleasant 69.1°F (20.6°C). Nighttime temperature in Copenhagen experiences an average drop to a cool 52°F (11.1°C) in September.Humidity
In September, the average relative humidity in Copenhagen is 78%.Rainfall
The month with the least rainfall in Copenhagen is September, when the rain falls for 13.5 days and typically collects 1.69" (43mm) of precipitation.Snowfall
June through September are months without snowfall in Copenhagen.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 6:26 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:44 pm EDT.
Sunshine
In Copenhagen, the average sunshine in September is 9.2h.UV index
In Copenhagen, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Copenhagen, NY
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in September
Copenhagen, NY
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Copenhagen, NY
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Copenhagen, NY
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Copenhagen, NY
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Copenhagen, NY
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is October (16.8 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in September
Copenhagen, NY
- Average snowfall in September: 0"
The month with the highest snowfall is December (9.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Copenhagen, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Copenhagen, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).
Average sunshine days in September
Copenhagen, NY
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in September
Copenhagen, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Copenhagen, NY
- Average cloud cover in September: 33
The months with the most cloud cover are January and February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Copenhagen, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
