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 commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a pleasant 20.3°C (68.5°F) in August to an enjoyable 17°C (62.6°F). Alnor's nights throughout September are marked by an average low temperature of 12.7°C (54.9°F), a minor drop from the day's high.Humidity
In September, the average relative humidity is 80%.Rainfall
In Alnor, in September, it is raining for 14.2 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, there are 153.2 rainfall days, and 268mm (10.55") of precipitation is accumulated.Snowfall
In Alnor, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 43min.On the first day of the month, sunrise is at 06:29 and sunset at 20:13. On the last day of September, sunrise is at 07:23 and sunset at 18:59 CEST.
Sunshine
The average sunshine in September in Alnor is 7.3h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Heed the precautions - It is counselled to guard against solar damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Alnor?
What is the average humidity in September in Alnor?
How many days does it rain in September in Alnor?
When it does not snow in Alnor?
How many hours of daylight does Alnor have in September?
When is the sunrise / sunset in September in Alnor?
How long on average sun shines in September in Alnor?
What is the UV index intensity in September in Alnor?
Average temperature in September
Alnor, Denmark
- Average high temperature in September: 17°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 12.7°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (0.5°C).
Average pressure in September
Alnor, Denmark
- Average pressure in September: 1015.4mbar
The months with the highest atmospheric pressure are April and May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in September
Alnor, Denmark
- Average wind speed in September: 18.2km/h
The windiest month (with the highest average wind speed) is December (22.5km/h).
The calmest month (with the lowest average wind speed) is July (16.2km/h).
Average humidity in September
Alnor, Denmark
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are April, May and August (77%).
Average rainfall in September
Alnor, Denmark
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is July (32mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Alnor, Denmark
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in September
Alnor, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Alnor, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.5 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
Alnor, Denmark
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Alnor, Denmark
- Average sunshine days in September: 11 days
The month with the most sunshine days is April (17.1 days).
The month with the least sunshine days is December (9.9 days).
Average UV index in September
Alnor, 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
Alnor, Denmark
- Average cloud cover in September: 49
The months with the most cloud cover are February and December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Alnor, 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).
