September weather forecastSiedenbollentin, Germany

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Siedenbollentin, Germany, with an average temperature fluctuating between 18.5°C (65.3°F) and 10.4°C (50.7°F).

Temperature

The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a moderately hot 23.2°C (73.8°F) in August to a comfortable 18.5°C (65.3°F). Nighttime temperatures consistently average a cool 10.4°C (50.7°F) during September.

Humidity

In September, the average relative humidity in Siedenbollentin is 78%.

Rainfall

In Siedenbollentin, in September, during 11.1 rainfall days, 25mm (0.98") of precipitation is typically accumulated. In Siedenbollentin, during the entire year, the rain falls for 170.8 days and collects up to 435mm (17.13") of precipitation.

Snowfall

May through October are months without snowfall in Siedenbollentin.

Daylight

In Siedenbollentin, Germany, the average length of the day in September is 12h and 41min.
On the first day of the month, sunrise is at 06:16 and sunset at 19:56. On the last day of September, sunrise is at 07:07 and sunset at 18:45 CEST.

Sunshine

In Siedenbollentin, the average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

The high-temperature, in September, in Siedenbollentin, records 18.5°C (65.3°F), while the low-temperature is 10.4°C (50.7°F).

The average relative humidity in September in Siedenbollentin is 78%.

In Siedenbollentin, in September, during 11.1 rainfall days, 25mm (0.98") of precipitation is typically accumulated.

May through October are months without snowfall.

In September, the average day length in Siedenbollentin is 12h and 41min.

In September, on the first day of the month, sunrise is at 06:16 and sunset at 19:56. On the last day of the month, in Siedenbollentin, Germany, sunrise is at 07:07 and sunset at 18:45 CEST.

The average sunshine duration in September is 8.3h.

In Siedenbollentin, Germany, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
Siedenbollentin, Germany

  • Average high temperature in September: 18.5°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 (2°C).

  • Average low temperature in September: 10.4°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 (-2.2°C).

Average pressure in September
Siedenbollentin, Germany

  • Average pressure in September: 1016.5mbar

The month with the highest atmospheric pressure is September (1016.5mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).

Average wind speed in September
Siedenbollentin, Germany

  • Average wind speed in September: 13.1km/h

The windiest month (with the highest average wind speed) is December (17.9km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).

Average humidity in September
Siedenbollentin, Germany

  • Average humidity in September: 78%

The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (73%).

Average rainfall in September
Siedenbollentin, Germany

  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is July (59mm).
The driest month (with the least rainfall) is April (20mm).

Average rainfall days in September
Siedenbollentin, Germany

  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (11 days).

Average snowfall in September
Siedenbollentin, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (80mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Siedenbollentin, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).

  • Average sunshine in September: 8h and 18min

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 0min).

Average sunshine days in September
Siedenbollentin, Germany

  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is December (6.9 days).

Average UV index in September
Siedenbollentin, 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 and November (UV index 1).

Average cloud cover in September
Siedenbollentin, Germany

  • Average cloud cover in September: 43

The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in September
Siedenbollentin, Germany

  • Average visibility in September: 9km

The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, November and December (8km).