September weather forecastAabenraa, Denmark
September
Weather in September
September marks the transition from summer to autumn in Aabenraa. With average high temperatures of 17.2°C (63°F) and lows of around 11.4°C (52.5°F), the weather starts to cool down. This month brings increased rainfall, which adds a distinct crispness to the air and enriched colors to the foliage. The change in seasons is welcomed by residents who appreciate the milder temperatures and stunning autumn colors. With the onset of autumn, the landscape transitions, offering a new palate of colors in Aabenraa.Temperature
Aabenraa's progression into September involves a minor drop in the average high-temperature, slightly receding from a pleasant 20.4°C (68.7°F) in August to a refreshing 17.2°C (63°F). During September nights, Aabenraa records an average temperature of 11.4°C (52.5°F).Humidity
The average relative humidity in September is 82%.Rainfall
In September, the rain falls for 16.5 days. Throughout September, 46mm (1.81") of precipitation is accumulated. In Aabenraa, during the entire year, the rain falls for 193.6 days and collects up to 550mm (21.65") of precipitation.Snowfall
In Aabenraa, snow does not fall in May through October.Sea temperature
In September, the average sea temperature is 16.9°C (62.4°F).Note: Most people do not take pleasure in swimming in water at 16.9°C (62.4°F). The difficulty of managing breathing increases as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Aabenraa, the average length of the day in September is 12h and 43min.On the first day of September, sunrise is at 06:29 and sunset at 20:14. On the last day of the month, sunrise is at 07:23 and sunset at 19:00 CEST.
Sunshine
In September, the average sunshine in Aabenraa is 7h.UV index
In Aabenraa, Denmark, 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 UV index of 4 in September translates into these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Aabenraa, Denmark
- Average high temperature in September: 17.2°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is February (-0.2°C).
Average pressure in September
Aabenraa, Denmark
- Average pressure in September: 1015.1mbar
The months with the highest atmospheric pressure are April and May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in September
Aabenraa, Denmark
- Average wind speed in September: 15km/h
The windiest month (with the highest average wind speed) is December (19.5km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).
Average humidity in September
Aabenraa, Denmark
- Average humidity in September: 82%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Aabenraa, Denmark
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Aabenraa, Denmark
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (12.5 days).
Average snowfall in September
Aabenraa, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is February (44mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Aabenraa, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in September
Aabenraa, Denmark
- Average sea temperature in September: 16.9°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 January (3.4°C).
Average daylight in September /
Average sunshine in September
Aabenraa, Denmark
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Aabenraa, Denmark
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is April (14 days).
The month with the least sunshine days is December (7.2 days).
Average UV index in September
Aabenraa, Denmark
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Aabenraa, Denmark
- Average cloud cover in September: 51
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Aabenraa, Denmark
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
