September weather forecastBüsum, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Büsum, Germany, with an average temperature fluctuating between 17.8°C (64°F) and 12.3°C (54.1°F).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from an agreeable 21.1°C (70°F) in August to a comfortable 17.8°C (64°F). Nighttime temperatures in Büsum consistently average a cool 12.3°C (54.1°F) during September.Humidity
In September, the average relative humidity in Büsum is 81%.Rainfall
In Büsum, Germany, during September, the rain falls for 16.9 days and regularly aggregates up to 48mm (1.89") of precipitation. Throughout the year, there are 188.9 rainfall days, and 540mm (21.26") of precipitation is accumulated.Snowfall
In Büsum, snow does not fall in May through October.Sea temperature
In September, the average sea temperature is 17.5°C (63.5°F).Note: Swimming in water at 17.5°C (63.5°F) is not a pleasing experience for the majority. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), controlling breathing becomes increasingly hard.
Daylight
In Büsum, Germany, the average length of the day in September 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 07:25 and sunset at 19:03 CEST.
Sunshine
In September, the average sunshine is 7.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Büsum, 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
Büsum, 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
Büsum, 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
Büsum, 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
Büsum, 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
Büsum, 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
Büsum, 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
Büsum, 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 sea temperature in September
Büsum, Germany
- Average sea temperature in September: 17.5°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is January (3.8°C).
Average daylight in September /
Average sunshine in September
Büsum, 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 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
Büsum, 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
Büsum, 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
Büsum, 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
Büsum, 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).
