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
Onset of September witnesses a reduction in the average high-temperature, falling from a moderately hot 24.8°C (76.6°F) in August to a refreshing 19.8°C (67.6°F). In the month of September, an average of 11.1°C (52°F) marks the low-temperature.Humidity
In Siethen, the average relative humidity in September is 73%.Rainfall
In Siethen, in September, during 11.6 rainfall days, 25mm (0.98") of precipitation is typically accumulated. Throughout the year, in Siethen, there are 157.3 rainfall days, and 384mm (15.12") of precipitation is accumulated.Snowfall
In Siethen, snow does not fall in May through October.Daylight
In Siethen, the average length of the day in September is 12h and 40min.On the first day of September in Siethen, sunrise is at 06:19 and sunset at 19:54. On the last day of the month, sunrise is at 07:07 and sunset at 18:46 CEST.
Sunshine
In September, the average sunshine in Siethen is 8.7h.UV index
The average daily maximum UV index in September in Siethen, Germany, 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 ordinary person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What is the temperature in September in Siethen?
What is the average humidity in September in Siethen?
How many days does it rain in September in Siethen?
When it does not snow in Siethen?
How many hours of daylight does Siethen have in September?
When is the sunrise / sunset in September in Siethen?
How many hours of sunshine does Siethen have in September?
How high is the UV index in September in Siethen?
Average temperature in September
Siethen, Germany
- Average high temperature in September: 19.8°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
Average pressure in September
Siethen, Germany
- Average pressure in September: 1017mbar
The months with the highest atmospheric pressure are September and October (1017mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Siethen, Germany
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Siethen, Germany
- Average humidity in September: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Siethen, Germany
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (58mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Siethen, Germany
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in September
Siethen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (49mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Siethen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.5 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
Siethen, Germany
- Average daylight in September: 12h and 4min
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 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Siethen, Germany
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Siethen, Germany
- Average UV index in September: 4
The months with the highest UV index are May, 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
Siethen, Germany
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Siethen, Germany
- Average visibility in September: 9km
The months with the highest visibility are April and June (10km).
The month with the lowest visibility is January (7km).
Siethen, Germany
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