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 arrival of September corresponds with a light shift in temperature, down from a warm 23.9°C (75°F) in August to an enjoyable 19.5°C (67.1°F). During September, an average low-temperature of 11.6°C (52.9°F) is observed.Humidity
The average relative humidity in September in Vierwinden is 76%.Rainfall
In Vierwinden, during September, the rain falls for 8.9 days and regularly aggregates up to 13mm (0.51") of precipitation. Throughout the year, in Vierwinden, there are 130.5 rainfall days, and 237mm (9.33") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 06:47 and sunset at 20:19. On the last day of the month, sunrise is at 07:33 and sunset at 19:13 CEST.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September in Vierwinden?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Vierwinden have in September?
How high is the UV index in September?
Average temperature in September
Vierwinden, Germany
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Vierwinden, Germany
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in September
Vierwinden, Germany
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is December (15.8km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Vierwinden, Germany
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Vierwinden, Germany
- Average rainfall in September: 13mm
The wettest months (with the highest rainfall) are June and August (24mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Vierwinden, Germany
- Average rainfall days in September: 8.9 days
The months with the highest number of rainy days are March, May and July (12.3 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in September
Vierwinden, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Vierwinden, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.9 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
Vierwinden, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in September
Vierwinden, Germany
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is February (14.9 days).
Average UV index in September
Vierwinden, Germany
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Vierwinden, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Vierwinden, Germany
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
