September weather forecastRødbyhavn, Denmark
September
Weather in September
September, the first month of the autumn in Rødbyhavn, is still a comfortable month, with temperature in the range of an average low of 14.1°C (57.4°F) and an average high of 16.5°C (61.7°F).Temperature
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from an enjoyable 19.8°C (67.6°F) in August to a still comfortable 16.5°C (61.7°F). Rødbyhavn registers a gentle descent to an average nighttime low of 14.1°C (57.4°F) in September from its daytime highs.Humidity
In September, the average relative humidity in Rødbyhavn is 78%.Rainfall
In September, the rain falls for 16.1 days. Throughout September, 40mm (1.57") of precipitation is accumulated. In Rødbyhavn, during the entire year, the rain falls for 167.4 days and collects up to 398mm (15.67") of precipitation.Snowfall
May through October are months without snowfall in Rødbyhavn.Sea temperature
In Rødbyhavn, in September, the average water temperature is 16.8°C (62.2°F).Note: Swimming is not enjoyable for most people in water that is 16.8°C (62.2°F). As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing control becomes harder.
Daylight
The average length of the day in September in Rødbyhavn, Denmark, is 12h and 43min.On the first day of September, sunrise is at 06:22 and sunset at 20:06. On the last day of the month, sunrise is at 07:15 and sunset at 18:52 CEST.
Sunshine
In Rødbyhavn, the average sunshine in September is 8.1h.UV index
In Rødbyhavn, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 in September translates into this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rødbyhavn, Denmark
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is August (19.8°C).
The month with the lowest average high temperature is February (2.8°C).
- Average low temperature in September: 14.1°C
The month with the highest average low temperature is August (16.6°C).
The coldest month (with the lowest average low temperature) is February (1.1°C).
Average pressure in September
Rødbyhavn, Denmark
- Average pressure in September: 1015.7mbar
The months with the highest atmospheric pressure are April and September (1015.7mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in September
Rødbyhavn, Denmark
- Average wind speed in September: 22.1km/h
The windiest month (with the highest average wind speed) is December (26.8km/h).
The calmest months (with the lowest average wind speed) are June and July (19.2km/h).
Average humidity in September
Rødbyhavn, Denmark
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Rødbyhavn, Denmark
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Rødbyhavn, Denmark
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is April (10.6 days).
Average snowfall in September
Rødbyhavn, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is January (28mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Rødbyhavn, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Rødbyhavn, Denmark
- Average sea temperature in September: 16.8°C
The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest month (with the lowest average sea temperature) is January (2.4°C).
Average daylight in September /
Average sunshine in September
Rødbyhavn, Denmark
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 24min).
Average sunshine days in September
Rødbyhavn, Denmark
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is April (16.6 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in September
Rødbyhavn, Denmark
- 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
Rødbyhavn, Denmark
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Rødbyhavn, Denmark
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
