Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's agreeable 20.2°C (68.4°F) to a refreshing 16.6°C (61.9°F). The low temperature average in Lillerød during September reflects a slight decrease to a moderate 13°C (55.4°F) from the day's peak.Humidity
The average relative humidity in September in Lillerød is 78%.Rainfall
In Lillerød, during September, the rain falls for 14.4 days and regularly aggregates up to 33mm (1.3") of precipitation. In Lillerød, during the entire year, the rain falls for 166.4 days and collects up to 373mm (14.69") of precipitation.Snowfall
June through October are months without snowfall in Lillerød, Denmark.Daylight
In Lillerød, the average length of the day in September is 12h and 44min.On the first day of September in Lillerød, 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 Lillerød, Denmark, is 7.6h.UV index
In September, the average daily maximum UV index in Lillerød is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Lillerød?
What is the average humidity in September in Lillerød?
How many days does it rain in September in Lillerød?
When it does not snow in Lillerød?
What is the average length of the day in September in Lillerød?
When is the sunrise / sunset in September in Lillerød?
How many hours of sunshine does Lillerød have in September?
What is the UV index reading in September in Lillerød?
Average temperature in September
Lillerød, Denmark
- Average high temperature in September: 16.6°C
The warmest months (with the highest average high temperature) are July and August (20.2°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 (15.6°C).
The coldest month (with the lowest average low temperature) is February (-0.2°C).
Average pressure in September
Lillerød, Denmark
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is April (1015.5mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).
Average wind speed in September
Lillerød, Denmark
- Average wind speed in September: 18.4km/h
The windiest month (with the highest average wind speed) is December (22.1km/h).
The calmest month (with the lowest average wind speed) is July (15.4km/h).
Average humidity in September
Lillerød, Denmark
- Average humidity in September: 78%
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
Lillerød, Denmark
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is August (54mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Lillerød, Denmark
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Lillerød, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is February (43mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Lillerød, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lillerød, Denmark
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Lillerød, Denmark
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is April (15.3 days).
The month with the least sunshine days is December (9.1 days).
Average UV index in September
Lillerød, Denmark
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Lillerød, Denmark
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are June and August (Cloud cover 39).
Average visibility in September
Lillerød, 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).
