September weather forecastHolleby, Denmark
September
Weather in September
September, the first month of the autumn in Holleby, is still a comfortable month, with temperature in the range of an average low of 14.1°C (57.4°F) and an average high of 16.5°C (61.7°F).Temperature
September sees a slight reduction in average high-temperature, with a shift from an enjoyable 19.7°C (67.5°F) in August to a still refreshing 16.5°C (61.7°F). Registering an almost steady temperature, Holleby's nights in September see an average low of 14.1°C (57.4°F).Humidity
The average relative humidity in September is 79%.Rainfall
In Holleby, in September, it is raining for 14.6 days, with typically 43mm (1.69") of accumulated precipitation. Throughout the year, there are 167.3 rainfall days, and 467mm (18.39") of precipitation is accumulated.Snowfall
In Holleby, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 43min.On the first day of September, sunrise is at 06:23 and sunset at 20:07. On the last day of the month, sunrise is at 07:16 and sunset at 18:53 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
In Holleby, Denmark, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Holleby, Denmark
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is August (19.7°C).
The month with the lowest average high temperature is February (2.9°C).
- Average low temperature in September: 14.1°C
The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is February (1°C).
Average pressure in September
Holleby, Denmark
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is April (1015.7mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in September
Holleby, Denmark
- Average wind speed in September: 22.6km/h
The windiest month (with the highest average wind speed) is December (27.6km/h).
The calmest month (with the lowest average wind speed) is June (19.4km/h).
Average humidity in September
Holleby, Denmark
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Holleby, Denmark
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is August (55mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Holleby, Denmark
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is August (17 days).
The months with the least rainy days are February and April (11 days).
Average snowfall in September
Holleby, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is February (27mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Holleby, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 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
Holleby, Denmark
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).
Average sunshine days in September
Holleby, Denmark
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is April (16.6 days).
The month with the least sunshine days is December (9.9 days).
Average UV index in September
Holleby, 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
Holleby, Denmark
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Holleby, 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).
