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
The move into September indicates a slight reduction in the average high-temperature, down from August's warm 23.2°C (73.8°F) to a refreshing 19.3°C (66.7°F). Throughout September, the nighttime temperature in Lennep averages to a cool 10.6°C (51.1°F).Humidity
In Lennep, the average relative humidity in September is 78%.Rainfall
In September, in Lennep, the rain falls for 12.8 days. Throughout September, 32mm (1.26") of precipitation is accumulated. Throughout the year, there are 172.3 rainfall days, and 564mm (22.2") of precipitation is accumulated.Snowfall
In Lennep, Germany, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September, sunrise is at 06:44 and sunset at 20:16. On the last day of the month, sunrise is at 07:30 and sunset at 19:10 CEST.
Sunshine
In Lennep, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are September temperatures in Lennep?
What is the average humidity in September in Lennep?
How much does it rain in Lennep in September?
When it does not snow in Lennep?
Does it snow in Lennep in September?
How many hours of daylight does Lennep have in September?
What time are sunrise and sunset in September in Lennep?
How long on average sun shines in September in Lennep?
What is the UV index reading in September in Lennep?
Average temperature in September
Lennep, Germany
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Lennep, 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 (1013.3mbar).
Average wind speed in September
Lennep, Germany
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is February (14.2km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Lennep, Germany
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Lennep, Germany
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is December (77mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Lennep, Germany
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is December (17.1 days).
The months with the least rainy days are February, April and September (12.8 days).
Average snowfall in September
Lennep, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (110mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Lennep, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lennep, 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 month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Lennep, Germany
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in September
Lennep, 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
Lennep, Germany
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Lennep, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).
Lennep, Germany
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