September weather forecastStemshorn, Germany
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Stemshorn, Germany, with an average temperature varying between 10.7°C (51.3°F) and 18.7°C (65.7°F).Temperature
With the arrival of September, Stemshorn notices a mild change in the average high-temperature, sliding from August's moderately hot 23.2°C (73.8°F) to a refreshing 18.7°C (65.7°F). The average temperature in Stemshorn, Germany, during September nights dips to a cool 10.7°C (51.3°F).Humidity
In Stemshorn, the average relative humidity in September is 79%.Rainfall
The months with the least rainfall in Stemshorn, Germany, are April and September Rain falls for 10.7 days and accumulates 21mm (0.83") of rain.Snowfall
In Stemshorn, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 40min.On the first day of the month, sunrise is at 06:38 and sunset at 20:14. On the last day of September, in Stemshorn, sunrise is at 07:26 and sunset at 19:05 CEST.
Sunshine
In September, the average sunshine in Stemshorn is 8h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September leads to these instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stemshorn, Germany
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (3.5°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-0.2°C).
Average pressure in September
Stemshorn, Germany
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in September
Stemshorn, Germany
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest months (with the lowest average wind speed) are July and August (11.2km/h).
Average humidity in September
Stemshorn, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Stemshorn, Germany
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is December (57mm).
The driest months (with the least rainfall) are April and September (21mm).
Average rainfall days in September
Stemshorn, Germany
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is December (17.8 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in September
Stemshorn, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (61mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Stemshorn, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 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
Stemshorn, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Stemshorn, Germany
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is December (7.7 days).
Average UV index in September
Stemshorn, 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
Stemshorn, Germany
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Stemshorn, 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).
