September weather forecastHeiligenstedten, Germany

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Heiligenstedten, Germany, with temperature in the range of an average low of 10.7°C (51.3°F) and an average high of 18.1°C (64.6°F).

Temperature

The arrival of September corresponds with a light shift in temperature, down from an agreeable 22.1°C (71.8°F) in August to a comfortable 18.1°C (64.6°F). In Heiligenstedten, the nighttime temperature averages to a fresh 10.7°C (51.3°F) during September.

Humidity

In September, the average relative humidity in Heiligenstedten is 83%.

Rainfall

In Heiligenstedten, during September, the rain falls for 16.5 days and regularly aggregates up to 35mm (1.38") of precipitation. In Heiligenstedten, during the entire year, the rain falls for 179.4 days and collects up to 481mm (18.94") of precipitation.

Snowfall

In Heiligenstedten, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 41min.
On the first day of the month, sunrise is at 06:31 and sunset at 20:12. On the last day of September, in Heiligenstedten, sunrise is at 07:23 and sunset at 19:00 CEST.

Sunshine

The average sunshine in September in Heiligenstedten is 7.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In September, a regular UV index of 4 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

An average high-temperature, in September, in Heiligenstedten, is 18.1°C (64.6°F) and the average low-temperature is 10.7°C (51.3°F).

In September, the average relative humidity is 83%.

In Heiligenstedten, Germany, during September, the rain falls for 16.5 days and regularly aggregates up to 35mm (1.38") of precipitation.

In Heiligenstedten, Germany, snow does not fall in May through October.

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

On the first day of September in Heiligenstedten, sunrise is at 06:31 and sunset at 20:12. On the last day of the month, sunrise is at 07:23 and sunset at 19:00 CEST.

In September, the average sunshine duration in Heiligenstedten, Germany, is 7.7h.

The average daily maximum UV index in September in Heiligenstedten is 4. A UV Index reading of 3 to 5 represents a moderate health threat from 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
Heiligenstedten, Germany

  • Average high temperature in September: 18.1°C

The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in September: 10.7°C

The month with the highest average low temperature is August (13.4°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).

Average pressure in September
Heiligenstedten, Germany

  • Average pressure in September: 1016.2mbar

The month with the highest atmospheric pressure is September (1016.2mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).

Average wind speed in September
Heiligenstedten, Germany

  • Average wind speed in September: 12.5km/h

The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is August (12km/h).

Average humidity in September
Heiligenstedten, Germany

  • Average humidity in September: 83%

The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is April (77%).

Average rainfall in September
Heiligenstedten, Germany

  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is July (59mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in September
Heiligenstedten, Germany

  • Average rainfall days in September: 16.5 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (10.6 days).

Average snowfall in September
Heiligenstedten, Germany

  • Average snowfall in September: 0mm

The months with the highest snowfall are February and December (29mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Heiligenstedten, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.6 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
Heiligenstedten, 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: 7h and 42min

The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in September
Heiligenstedten, Germany

  • Average sunshine days in September: 10.6 days

The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is July (9.4 days).

Average UV index in September
Heiligenstedten, Germany

  • Average UV index in September: 4

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September
Heiligenstedten, Germany

  • Average cloud cover in September: 48

The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 41).

Average visibility in September
Heiligenstedten, Germany

  • Average visibility in September: 8km

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