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
September is marked by a subtle drop in average high-temperatures, transitioning from an enjoyable 19.9°C (67.8°F) in August to a still comfortable 16.6°C (61.9°F). A modest nighttime temperature average of 11.9°C (53.4°F) characterizes September.Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 10.5 days. Throughout September, 26mm (1.02") of precipitation is accumulated. Throughout the year, there are 142.6 rainfall days, and 304mm (11.97") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 45min.On the first day of September, sunrise is at 06:24 and sunset at 20:13. On the last day of the month, sunrise is at 07:21 and sunset at 18:56 CEST.
Sunshine
In Viby, the average sunshine in September is 7.6h.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 unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, an average UV index of 4 transforms into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Viby have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Viby have in September?
What is the UV index intensity in September?
Average temperature in September
Viby, Denmark
- Average high temperature in September: 16.6°C
The warmest month (with the highest average high temperature) is July (20.2°C).
The month with the lowest average high temperature is February (3°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in September
Viby, Denmark
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is April (1015.4mbar).
The month with the lowest atmospheric pressure is December (1010.2mbar).
Average wind speed in September
Viby, Denmark
- Average wind speed in September: 17.2km/h
The windiest month (with the highest average wind speed) is December (20.6km/h).
The calmest month (with the lowest average wind speed) is July (15.2km/h).
Average humidity in September
Viby, Denmark
- Average humidity in September: 80%
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in September
Viby, Denmark
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Viby, Denmark
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in September
Viby, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is January (32mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Viby, Denmark
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (8.2 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
Viby, Denmark
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Viby, Denmark
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in September
Viby, 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
Viby, Denmark
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 40).
Average visibility in September
Viby, Denmark
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
