September weather forecastHjallese, Denmark
September
Weather in September
September, the first month of the autumn in Hjallese, is still a refreshing month, with an average temperature varying between 16.7°C (62.1°F) and 12.9°C (55.2°F).Temperature
With the arrival of September, Hjallese experiences a modest decline in average high-temperatures, transitioning from an agreeable 20.1°C (68.2°F) in August to a refreshing 16.7°C (62.1°F). Hjallese maintains a minor drop in temperature during September nights, with averages of 12.9°C (55.2°F).Humidity
The average relative humidity in September in Hjallese is 79%.Rainfall
In Hjallese, Denmark, in September, it is raining for 10.6 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, there are 138.6 rainfall days, and 284mm (11.18") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Hjallese.Daylight
The average length of the day in September is 12h and 44min.On the first day of September in Hjallese, sunrise is at 06:25 and sunset at 20:11. On the last day of the month, sunrise is at 07:20 and sunset at 18:56 CEST.
Sunshine
The average sunshine in September is 7.4h.UV index
In Hjallese, Denmark, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hjallese, Denmark
- Average high temperature in September: 16.7°C
The warmest months (with the highest average high temperature) are July and August (20.1°C).
The month with the lowest average high temperature is February (3.3°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (0.5°C).
Average pressure in September
Hjallese, Denmark
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).
Average wind speed in September
Hjallese, Denmark
- Average wind speed in September: 19km/h
The windiest month (with the highest average wind speed) is December (23.1km/h).
The calmest month (with the lowest average wind speed) is July (16.2km/h).
Average humidity in September
Hjallese, Denmark
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (86%).
The months with the lowest relative humidity are May and August (76%).
Average rainfall in September
Hjallese, Denmark
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is July (39mm).
The driest months (with the least rainfall) are March and April (15mm).
Average rainfall days in September
Hjallese, Denmark
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Hjallese, Denmark
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (23mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Hjallese, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.6 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
Hjallese, 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: 7h and 24min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in September
Hjallese, Denmark
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is April (17 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in September
Hjallese, 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
Hjallese, Denmark
- Average cloud cover in September: 48
The months with the most cloud cover are February and December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Hjallese, 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).
