September weather forecastGrothusenkoog, Germany
September
Weather in September
September, the first month of the autumn in Grothusenkoog, is still a comfortable month, with an average temperature fluctuating between 17.3°C (63.1°F) and 12.1°C (53.8°F).Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from an agreeable 20.5°C (68.9°F) in August to a comfortable 17.3°C (63.1°F). Nightly temperatures drop to an average low of 12.1°C (53.8°F) in September.Humidity
In Grothusenkoog, the average relative humidity in September is 82%.Rainfall
In Grothusenkoog, Germany, in September, it is raining for 17.8 days, with typically 57mm (2.24") of accumulated precipitation. In Grothusenkoog, during the entire year, the rain falls for 188.6 days and collects up to 589mm (23.19") of precipitation.Snowfall
In Grothusenkoog, Germany, snow does not fall in May through October.Daylight
The average length of the day in September in Grothusenkoog is 12h and 42min.On the first day of September, sunrise is at 06:33 and sunset at 20:15. On the last day of the month, sunrise is at 07:26 and sunset at 19:03 CEST.
Sunshine
In Grothusenkoog, the average sunshine in September is 7.1h.UV index
In September, the average daily maximum UV index in Grothusenkoog is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grothusenkoog, Germany
- Average high temperature in September: 17.3°C
The warmest month (with the highest average high temperature) is August (20.5°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in September
Grothusenkoog, Germany
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in September
Grothusenkoog, Germany
- Average wind speed in September: 16.4km/h
The windiest month (with the highest average wind speed) is December (22.1km/h).
The calmest month (with the lowest average wind speed) is August (15.1km/h).
Average humidity in September
Grothusenkoog, Germany
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
Grothusenkoog, Germany
- Average rainfall in September: 57mm
The wettest month (with the highest rainfall) is August (77mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Grothusenkoog, Germany
- Average rainfall days in September: 17.8 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in September
Grothusenkoog, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (29mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Grothusenkoog, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 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
Grothusenkoog, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 7h and 6min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The months with the least sunshine are February and December (Average sunshine: 3h and 18min).
Average sunshine days in September
Grothusenkoog, Germany
- Average sunshine days in September: 8.8 days
The month with the most sunshine days is April (15.1 days).
The month with the least sunshine days is September (8.8 days).
Average UV index in September
Grothusenkoog, Germany
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Grothusenkoog, Germany
- Average cloud cover in September: 50
The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Grothusenkoog, Germany
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, March, April, May, July, September, October, November and December (9km).
