September weather forecastKastrup, Denmark
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Kastrup, Denmark, with an average temperature ranging between min 13.2°C (55.8°F) and max 16.6°C (61.9°F).Temperature
Kastrup experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a comfortable 19.9°C (67.8°F) in August to a still refreshing 16.6°C (61.9°F). A mean low-temperature of 13.2°C (55.8°F) is anticipated during the month of September, a slight step down from the daytime high.Humidity
In Kastrup, the average relative humidity in September is 78%.Rainfall
In Kastrup, in September, it is raining for 14.2 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, there are 165.2 rainfall days, and 365mm (14.37") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 44min.On the first day of the month, sunrise is at 06:15 and sunset at 20:03. On the last day of September, sunrise is at 07:11 and sunset at 18:47 CEST.
Sunshine
In Kastrup, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index in Kastrup is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kastrup, Denmark
- Average high temperature in September: 16.6°C
The warmest month (with the highest average high temperature) is July (20°C).
The months with the lowest average high temperature are January and February (2.7°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (0.1°C).
Average pressure in September
Kastrup, Denmark
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in September
Kastrup, Denmark
- Average wind speed in September: 19.2km/h
The windiest month (with the highest average wind speed) is December (23km/h).
The calmest months (with the lowest average wind speed) are June and July (16.2km/h).
Average humidity in September
Kastrup, Denmark
- Average humidity in September: 78%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Kastrup, Denmark
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is August (48mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Kastrup, Denmark
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in September
Kastrup, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is February (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Kastrup, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Kastrup, Denmark
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Kastrup, Denmark
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is December (8.2 days).
Average UV index in September
Kastrup, Denmark
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Kastrup, Denmark
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Kastrup, Denmark
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).





