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
September ushers in a minute temperature change, with average high-temperatures reducing from August's agreeable 21.4°C (70.5°F) to a comfortable 17.6°C (63.7°F). In September, Wallen reports a consistent average low-temperature of 10.9°C (51.6°F) during the nights.Humidity
In Wallen, the average relative humidity in September is 83%.Rainfall
In Wallen, in September, it is raining for 11 days, with typically 14mm (0.55") of accumulated precipitation. In Wallen, during the entire year, the rain falls for 134.7 days and collects up to 221mm (8.7") of precipitation.Snowfall
In Wallen, Germany, snow does not fall in May through October.Daylight
In September, the average length of the day in Wallen is 12h and 42min.On the first day of the month, sunrise is at 06:31 and sunset at 20:13. On the last day of September, in Wallen, sunrise is at 07:24 and sunset at 19:01 CEST.
Sunshine
In Wallen, Germany, the average sunshine in September is 7.3h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the temperature in September in Wallen?
What is the average humidity in September in Wallen?
How many days does it rain in September in Wallen?
When it does not snow in Wallen?
What is the average length of the day in September in Wallen?
What time are sunrise and sunset in September in Wallen?
How many hours of sunshine does Wallen have in September?
How high is the UV index in September in Wallen?
Average temperature in September
Wallen, Germany
- Average high temperature in September: 17.6°C
The warmest months (with the highest average high temperature) are July and August (21.4°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (-0.5°C).
Average pressure in September
Wallen, Germany
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in September
Wallen, Germany
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is August (12.7km/h).
Average humidity in September
Wallen, Germany
- Average humidity in September: 83%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
Wallen, Germany
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is July (26mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in September
Wallen, Germany
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in September
Wallen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Wallen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.2 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
Wallen, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 18min).
Average sunshine days in September
Wallen, Germany
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is October (17 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in September
Wallen, Germany
- 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
Wallen, Germany
- Average cloud cover in September: 50
The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Wallen, Germany
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
Wallen, Germany
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