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
Weather in September
Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from a moderately hot 23.8°C (74.8°F) in August to an enjoyable 19.8°C (67.6°F). Throughout September, the average low-temperature dips to a cool 11.7°C (53.1°F).Humidity
The average relative humidity in September in Büttgen is 76%.Rainfall
In Büttgen, during September, the rain falls for 13.8 days and regularly aggregates up to 36mm (1.42") of precipitation. In Büttgen, during the entire year, the rain falls for 192 days and collects up to 539mm (21.22") of precipitation.Snowfall
In Büttgen, Germany, snow does not fall in April through October.Daylight
In Büttgen, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:47 and sunset at 20:19. On the last day of September, in Büttgen, sunrise is at 07:33 and sunset at 19:13 CEST.
Sunshine
In Büttgen, the average sunshine in September is 8.1h.UV index
In Büttgen, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are September temperatures in Büttgen?
What is the average humidity in September in Büttgen?
How many days does it rain in September in Büttgen?
When it does not snow in Büttgen?
How many hours of daylight does Büttgen have in September?
When is the sunrise / sunset in September in Büttgen?
How long on average sun shines in September in Büttgen?
What is the UV index reading in September in Büttgen?
Average temperature in September
Büttgen, Germany
- Average high temperature in September: 19.8°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 11.7°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 (0.9°C).
Average pressure in September
Büttgen, Germany
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in September
Büttgen, Germany
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is December (16.4km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in September
Büttgen, Germany
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall in September
Büttgen, Germany
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Büttgen, Germany
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (18.4 days).
The months with the least rainy days are April and September (13.8 days).
Average snowfall in September
Büttgen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (55mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Büttgen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Büttgen, 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 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Büttgen, Germany
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is December (8.3 days).
Average UV index in September
Büttgen, 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
Büttgen, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Büttgen, Germany
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is December (8km).
Büttgen, Germany
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