September weather forecastBallerup, Denmark
September
Weather in September
September, the first month of the autumn in Ballerup, is still a refreshing month, with an average temperature ranging between max 16.6°C (61.9°F) and min 13°C (55.4°F).Temperature
September signifies a minor drop in average high-temperature, transitioning from an agreeable 20.3°C (68.5°F) in August to an enjoyable 16.6°C (61.9°F). Night temperatures in September exhibit a subtle decrease, settling at an average of 13°C (55.4°F).Humidity
In September, the average relative humidity in Ballerup is 79%.Rainfall
In Ballerup, in September, it is raining for 16 days, with typically 44mm (1.73") of accumulated precipitation. In Ballerup, during the entire year, the rain falls for 177.1 days and collects up to 475mm (18.7") of precipitation.Snowfall
In Ballerup, Denmark, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 44min.On the first day of September, sunrise is at 06:16 and sunset at 20:04. On the last day of the month, sunrise is at 07:12 and sunset at 18:48 CEST.
Sunshine
The average sunshine in September in Ballerup is 7.8h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 in September translates into these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ballerup, Denmark
- Average high temperature in September: 16.6°C
The warmest months (with the highest average high temperature) are July and August (20.3°C).
The month with the lowest average high temperature is February (2.7°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (-0.2°C).
Average pressure in September
Ballerup, Denmark
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is April (1015.5mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in September
Ballerup, Denmark
- Average wind speed in September: 17.9km/h
The windiest month (with the highest average wind speed) is December (21.2km/h).
The calmest month (with the lowest average wind speed) is July (14.9km/h).
Average humidity in September
Ballerup, Denmark
- Average humidity in September: 79%
The months with the highest relative humidity are January, February, November and December (86%).
The months with the lowest relative humidity are April, May and June (75%).
Average rainfall in September
Ballerup, Denmark
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is August (61mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Ballerup, Denmark
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in September
Ballerup, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is January (55mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Ballerup, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 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
Ballerup, 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 6min).
- Average sunshine in September: 7h and 48min
The months with the most sunshine are June and August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Ballerup, Denmark
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is April (16.5 days).
The month with the least sunshine days is December (6.6 days).
Average UV index in September
Ballerup, 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
Ballerup, Denmark
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 69).
The months with the least cloud cover are June and August (Cloud cover 38).
Average visibility in September
Ballerup, Denmark
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
