September weather forecastSielenbach, Germany

September

Weather in September

September, the first month of the autumn in Sielenbach, is also an enjoyable month, with temperature in the range of an average high of 18.5°C (65.3°F) and an average low of 8.8°C (47.8°F).

Temperature

The arrival of September signals a shift in temperature, down from a warm 23.5°C (74.3°F) in August to a refreshing 18.5°C (65.3°F). During September, the average low-temperature in Sielenbach is a chilly 8.8°C (47.8°F).

Humidity

In September, the average relative humidity in Sielenbach is 82%.

Rainfall

In Sielenbach, in September, it is raining for 13.7 days, with typically 44mm (1.73") of accumulated precipitation. In Sielenbach, during the entire year, the rain falls for 169.9 days and collects up to 670mm (26.38") of precipitation.

Snowfall

In Sielenbach, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 35min.
On the first day of September, sunrise is at 06:33 and sunset at 19:56. On the last day of the month, sunrise is at 07:13 and sunset at 18:56 CEST.

Sunshine

In Sielenbach, Germany, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index in Sielenbach is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Make use of precautions - It is urged to ward off sun damage. When the Sun is at its strongest around midday, find shade and limit exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

In September, in Sielenbach, the average high-temperature is 18.5°C (65.3°F), and the average low-temperature is 8.8°C (47.8°F).

In September, the average relative humidity in Sielenbach is 82%.

In Sielenbach, Germany, during September, the rain falls for 13.7 days and regularly aggregates up to 44mm (1.73") of precipitation.

June through September are months without snowfall in Sielenbach.

In Sielenbach, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in Sielenbach is 12h and 35min.

In September, on the first day of the month, sunrise is at 06:33 and sunset at 19:56. On the last day of the month, sunrise is at 07:13 and sunset at 18:56 CEST.

In Sielenbach, the average sunshine duration in September is 8.7h.

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Sielenbach, Germany

  • Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (2.3°C).

  • Average low temperature in September: 8.8°C

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

Average pressure in September
Sielenbach, Germany

  • Average pressure in September: 1018.7mbar

The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in September
Sielenbach, Germany

  • Average wind speed in September: 8.1km/h

The windiest month (with the highest average wind speed) is March (12km/h).
The calmest months (with the lowest average wind speed) are August and September (8.1km/h).

Average humidity in September
Sielenbach, Germany

  • Average humidity in September: 82%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (76%).

Average rainfall in September
Sielenbach, Germany

  • Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is August (87mm).
The driest month (with the least rainfall) is November (28mm).

Average rainfall days in September
Sielenbach, Germany

  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is May (21.1 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in September
Sielenbach, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (189mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Sielenbach, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Sielenbach, Germany

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
Sielenbach, Germany

  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (7.3 days).

Average UV index in September
Sielenbach, Germany

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in September
Sielenbach, Germany

  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Sielenbach, Germany

  • Average visibility in September: 8km

The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January and February (7km).