September weather forecastSønderho, Denmark
September
Weather in September
September, the first month of the autumn in Sønderho, is also an enjoyable month, with temperature in the range of an average high of 16.6°C (61.9°F) and an average low of 12.8°C (55°F).Temperature
With the onset of September, the average high-temperature registers at a still enjoyable 16.6°C (61.9°F), subtly different from August's 19.3°C (66.7°F). Sønderho's nights throughout September are marked by an average low temperature of 12.8°C (55°F), a minor drop from the day's high.Humidity
The average relative humidity in September is 79%.Rainfall
In Sønderho, in September, it is raining for 17.3 days, with typically 52mm (2.05") of accumulated precipitation. Throughout the year, in Sønderho, there are 186.7 rainfall days, and 486mm (19.13") of precipitation is accumulated.Snowfall
In Sønderho, snow does not fall in May through November.Daylight
The average length of the day in September is 12h and 44min.On the first day of September in Sønderho, sunrise is at 06:32 and sunset at 20:19. On the last day of the month, sunrise is at 07:27 and sunset at 19:03 CEST.
Sunshine
The average sunshine in September is 6.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at 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
Sønderho, Denmark
- Average high temperature in September: 16.6°C
The warmest month (with the highest average high temperature) is August (19.3°C).
The month with the lowest average high temperature is February (3.7°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in September
Sønderho, Denmark
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in September
Sønderho, Denmark
- Average wind speed in September: 21.3km/h
The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest months (with the lowest average wind speed) are July and August (19.4km/h).
Average humidity in September
Sønderho, Denmark
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Sønderho, Denmark
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is August (55mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Sønderho, Denmark
- Average rainfall days in September: 17.3 days
The month with the highest number of rainy days is December (19.5 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in September
Sønderho, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Sønderho, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 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
Sønderho, 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: 6h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in September
Sønderho, Denmark
- Average sunshine days in September: 9.2 days
The month with the most sunshine days is April (15.5 days).
The month with the least sunshine days is December (7.8 days).
Average UV index in September
Sønderho, Denmark
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Sønderho, Denmark
- Average cloud cover in September: 52
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is April (Cloud cover 42).
Average visibility in September
Sønderho, Denmark
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).





