September weather forecastHornslet, Denmark
September
Weather in September
September, the first month of the autumn in Hornslet, is still a refreshing month, with an average temperature ranging between min 10.8°C (51.4°F) and max 16.8°C (62.2°F).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from an agreeable 20.6°C (69.1°F) in August to a comfortable 16.8°C (62.2°F). In Hornslet, September nights witness a steady temperature drop to a cool 10.8°C (51.4°F).Humidity
In September, the average relative humidity is 81%.Rainfall
In Hornslet, during September, the rain falls for 13.8 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 163.9 rainfall days, and 450mm (17.72") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 45min.On the first day of the month, sunrise is at 06:23 and sunset at 20:13. On the last day of September, sunrise is at 07:21 and sunset at 18:56 CEST.
Sunshine
The average sunshine in September is 7.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hornslet, Denmark
- Average high temperature in September: 16.8°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in September
Hornslet, Denmark
- Average pressure in September: 1014.5mbar
The months with the highest atmospheric pressure are April and May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).
Average wind speed in September
Hornslet, Denmark
- Average wind speed in September: 14.6km/h
The windiest month (with the highest average wind speed) is December (17.1km/h).
The calmest months (with the lowest average wind speed) are July and August (13.6km/h).
Average humidity in September
Hornslet, Denmark
- Average humidity in September: 81%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in September
Hornslet, Denmark
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Hornslet, Denmark
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is October (17.3 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in September
Hornslet, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Hornslet, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hornslet, Denmark
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).
Average sunshine days in September
Hornslet, Denmark
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
Hornslet, Denmark
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Hornslet, Denmark
- Average cloud cover in September: 49
The month with the most cloud cover is February (Cloud cover 70).
The months with the least cloud cover are April, May, June and August (Cloud cover 44).
Average visibility in September
Hornslet, Denmark
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).





