September weather forecastGrundfør, Denmark
September
Weather in September
September, the first month of the autumn in Grundfør, is still a comfortable month, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 16.8°C (62.2°F).Temperature
The commencement of September indicates a gentle shift in the average high-temperature, receding from August's agreeable 20.6°C (69.1°F) to a comfortable 16.8°C (62.2°F). The average low-temperature during September nights is a fresh 10.8°C (51.4°F).Humidity
In Grundfør, the average relative humidity in September is 81%.Rainfall
In Grundfør, in September, during 13.8 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Grundfør, Denmark, during the entire year, the rain falls for 163.9 days and collects up to 450mm (17.72") of precipitation.Snowfall
In Grundfør, snow does not fall in May through September.Daylight
In September, the average length of the day in Grundfør is 12h and 45min.On the first day of September, sunrise is at 06:24 and sunset at 20:14. On the last day of the month, sunrise is at 07:21 and sunset at 18:57 CEST.
Sunshine
In Grundfør, Denmark, the average sunshine in September is 7.3h.UV index
In Grundfør, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grundfør, Denmark
- Average high temperature in September: 16.8°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in September
Grundfør, Denmark
- Average pressure in September: 1014.5mbar
The months with the highest atmospheric pressure are April and May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).
Average wind speed in September
Grundfør, Denmark
- Average wind speed in September: 14.6km/h
The windiest month (with the highest average wind speed) is December (17.1km/h).
The calmest months (with the lowest average wind speed) are July and August (13.6km/h).
Average humidity in September
Grundfør, Denmark
- Average humidity in September: 81%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in September
Grundfør, Denmark
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Grundfør, Denmark
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is October (17.3 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in September
Grundfør, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Grundfør, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9 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
Grundfør, Denmark
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).
Average sunshine days in September
Grundfør, Denmark
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
Grundfør, 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
Grundfør, Denmark
- Average cloud cover in September: 49
The month with the most cloud cover is February (Cloud cover 70).
The months with the least cloud cover are April, May, June and August (Cloud cover 44).
Average visibility in September
Grundfør, Denmark
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
