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
In September, the meteorological conditions change slightly, with the average high-temperature moving from an agreeable 20.2°C (68.4°F) in August to a comfortable 16.9°C (62.4°F). September's average low temperature is a moderate 13.9°C (57°F), displaying a subtle drop from its daily peak.Humidity
In September, the average relative humidity is 78%.Rainfall
In Altenwillershagen, in September, it is raining for 12.1 days, with typically 30mm (1.18") of accumulated precipitation. In Altenwillershagen, during the entire year, the rain falls for 158.2 days and collects up to 388mm (15.28") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Altenwillershagen, Germany, the average length of the day in September is 12h and 42min.On the first day of September, sunrise is at 06:18 and sunset at 20:00. On the last day of the month, sunrise is at 07:10 and sunset at 18:48 CEST.
Sunshine
In September, the average sunshine is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Make use of precautions - It is urged to ward off sun damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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 Altenwillershagen?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Altenwillershagen, Germany
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is August (20.2°C).
The month with the lowest average high temperature is February (2.8°C).
- Average low temperature in September: 13.9°C
The month with the highest average low temperature is August (16.7°C).
The coldest month (with the lowest average low temperature) is February (0.7°C).
Average pressure in September
Altenwillershagen, Germany
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is September (1015.9mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in September
Altenwillershagen, Germany
- Average wind speed in September: 22.1km/h
The windiest month (with the highest average wind speed) is December (27.8km/h).
The calmest month (with the lowest average wind speed) is August (19.3km/h).
Average humidity in September
Altenwillershagen, Germany
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Altenwillershagen, Germany
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is August (57mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Altenwillershagen, Germany
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in September
Altenwillershagen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (27mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Altenwillershagen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.8 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
Altenwillershagen, 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: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Altenwillershagen, Germany
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in September
Altenwillershagen, Germany
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Altenwillershagen, Germany
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Altenwillershagen, Germany
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March and December (9km).
