September weather forecastStrandby, Denmark
September
Weather in September
September, the first month of the autumn in Strandby, is still a refreshing month, with an average temperature varying between 15.9°C (60.6°F) and 12.8°C (55°F).Temperature
As Strandby welcomes September, the average high-temperature is noted at a moderate 15.9°C (60.6°F), closely aligning with the preceding month. Strandby's nights in September maintain a consistent average of 12.8°C (55°F), demonstrating a minimal differential from its daytime temperature.Humidity
The average relative humidity in September in Strandby is 78%.Rainfall
In Strandby, during September, the rain falls for 11.2 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, there are 135.8 rainfall days, and 290mm (11.42") of precipitation is accumulated.Snowfall
In Strandby, snow does not fall in May through September.Sea temperature
In Strandby, in September, the average water temperature is 16.1°C (61°F).Note: The majority find it unenjoyable to swim in 16.1°C (61°F). Breathing becomes tougher as the water temperature descends under 21°C (69.8°F).
Daylight
In Strandby, the average length of the day in September is 12h and 47min.On the first day of September, sunrise is at 06:20 and sunset at 20:15. On the last day of the month, sunrise is at 07:20 and sunset at 18:54 CEST.
Sunshine
The average sunshine in September in Strandby is 7.7h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Strandby, Denmark
- Average high temperature in September: 15.9°C
The warmest months (with the highest average high temperature) are July and August (18.8°C).
The month with the lowest average high temperature is February (2.8°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is February (0.4°C).
Average pressure in September
Strandby, Denmark
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is April (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in September
Strandby, Denmark
- Average wind speed in September: 21.3km/h
The windiest month (with the highest average wind speed) is December (25km/h).
The calmest month (with the lowest average wind speed) is June (17.7km/h).
Average humidity in September
Strandby, Denmark
- Average humidity in September: 78%
The months with the highest relative humidity are January, February and November (83%).
The months with the lowest relative humidity are April, May and June (74%).
Average rainfall in September
Strandby, Denmark
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is August (37mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Strandby, Denmark
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is August (14.1 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in September
Strandby, Denmark
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (21mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Strandby, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in September
Strandby, Denmark
- Average sea temperature in September: 16.1°C
The best month for swimming (with the highest average sea temperature) is August (18.1°C).
The coldest month (with the lowest average sea temperature) is March (3.3°C).
Average daylight in September /
Average sunshine in September
Strandby, Denmark
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The months with the least sunshine are November and December (Average sunshine: 3h and 18min).
Average sunshine days in September
Strandby, Denmark
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is April (18.3 days).
The month with the least sunshine days is December (11.7 days).
Average UV index in September
Strandby, Denmark
- 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
Strandby, Denmark
- Average cloud cover in September: 46
The month with the most cloud cover is November (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Strandby, Denmark
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
