September weather forecastKaiser-Wilhelm-Koog, Germany
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Kaiser-Wilhelm-Koog, Germany, with an average temperature fluctuating between 12.3°C (54.1°F) and 17.8°C (64°F).Temperature
In the transition to September, Kaiser-Wilhelm-Koog observes a minor drop in the average high-temperature, shifting from a pleasant 21.1°C (70°F) in August to a refreshing 17.8°C (64°F). Nightly temperatures drop to an average low of 12.3°C (54.1°F) in September.Humidity
The average relative humidity in September is 81%.Rainfall
In Kaiser-Wilhelm-Koog, in September, during 16.9 rainfall days, 48mm (1.89") of precipitation is typically accumulated. In Kaiser-Wilhelm-Koog, during the entire year, the rain falls for 188.9 days and collects up to 540mm (21.26") of precipitation.Snowfall
In Kaiser-Wilhelm-Koog, snow does not fall in May through October.Daylight
The average length of the day in September in Kaiser-Wilhelm-Koog is 12h and 41min.On the first day of the month, sunrise is at 06:33 and sunset at 20:14. On the last day of September, sunrise is at 07:25 and sunset at 19:02 CEST.
Sunshine
In Kaiser-Wilhelm-Koog, the average sunshine in September is 7.1h.UV index
In Kaiser-Wilhelm-Koog, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during September leads to these advisories:
Undertake precautions - It is suggested to shield oneself from sunburn. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kaiser-Wilhelm-Koog, Germany
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (21.1°C).
The month with the lowest average high temperature is January (3.5°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in September
Kaiser-Wilhelm-Koog, Germany
- Average pressure in September: 1016mbar
The months with the highest atmospheric pressure are May and September (1016mbar).
The month with the lowest atmospheric pressure is November (1011.3mbar).
Average wind speed in September
Kaiser-Wilhelm-Koog, Germany
- Average wind speed in September: 16.5km/h
The windiest month (with the highest average wind speed) is December (22.9km/h).
The calmest month (with the lowest average wind speed) is August (15.2km/h).
Average humidity in September
Kaiser-Wilhelm-Koog, Germany
- Average humidity in September: 81%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Kaiser-Wilhelm-Koog, Germany
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is August (66mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Kaiser-Wilhelm-Koog, Germany
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in September
Kaiser-Wilhelm-Koog, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Kaiser-Wilhelm-Koog, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 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
Kaiser-Wilhelm-Koog, 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 6min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Kaiser-Wilhelm-Koog, Germany
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is April (14.8 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in September
Kaiser-Wilhelm-Koog, Germany
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Kaiser-Wilhelm-Koog, Germany
- Average cloud cover in September: 51
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are April and August (Cloud cover 43).
Average visibility in September
Kaiser-Wilhelm-Koog, Germany
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





