September weather forecastSemmenstedt, Germany

September

Weather in September

September, the first month of the autumn in Semmenstedt, is also an enjoyable month, with an average temperature fluctuating between 10.8°C (51.4°F) and 18.7°C (65.7°F).

Temperature

In September, the average high-temperature marginally decreases from a moderately hot 23.3°C (73.9°F) in August to a comfortable 18.7°C (65.7°F). In September, Semmenstedt's temperature tends to fall to an average low of 10.8°C (51.4°F) during the night.

Humidity

In Semmenstedt, Germany, the average relative humidity in September is 76%.

Rainfall

In Semmenstedt, in September, during 11 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, there are 157.5 rainfall days, and 391mm (15.39") of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 39min.
On the first day of September, sunrise is at 06:29 and sunset at 20:04. On the last day of the month, sunrise is at 07:17 and sunset at 18:56 CEST.

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index in Semmenstedt is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the UV index of 4 transforms into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

The average high-temperature and low-temperature in Semmenstedt during September are 18.7°C (65.7°F) and 10.8°C (51.4°F) respectively.

The average relative humidity in September is 76%.

In Semmenstedt, in September, it is raining for 11 days, with typically 24mm (0.94") of accumulated precipitation.

May through October are months without snowfall in Semmenstedt.

In Semmenstedt, the average day length in September is 12h and 39min.

In September, on the first day of the month, sunrise is at 06:29 and sunset at 20:04. On the last day of the month, sunrise is at 07:17 and sunset at 18:56 CEST.

In Semmenstedt, Germany, the average sunshine duration in September is 8.5h.

The average daily maximum UV index in September in Semmenstedt is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Semmenstedt, Germany

  • Average high temperature in September: 18.7°C

The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (2.5°C).

  • Average low temperature in September: 10.8°C

The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).

Average pressure in September
Semmenstedt, 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 (1013.3mbar).

Average wind speed in September
Semmenstedt, Germany

  • Average wind speed in September: 11km/h

The windiest month (with the highest average wind speed) is December (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).

Average humidity in September
Semmenstedt, Germany

  • Average humidity in September: 76%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (71%).

Average rainfall in September
Semmenstedt, Germany

  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in September
Semmenstedt, Germany

  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (10.9 days).

Average snowfall in September
Semmenstedt, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Semmenstedt, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (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
Semmenstedt, 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 30min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in September
Semmenstedt, Germany

  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is December (8.8 days).

Average UV index in September
Semmenstedt, 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, March, November and December (UV index 2).

Average cloud cover in September
Semmenstedt, Germany

  • Average cloud cover in September: 41

The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Semmenstedt, 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).