Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
With the onset of September, the average high-temperature in Aarhus subtly recedes from August's 19.9°C (67.8°F) to a still enjoyable 16.6°C (61.9°F). Aarhus observes a consistent average low-temperature of 11.9°C (53.4°F) throughout September nights.Humidity
In September, the average relative humidity in Aarhus is 80%.Rainfall
In September, in Aarhus, Denmark, the rain falls for 10.5 days. Throughout September, 26mm (1.02") of precipitation is accumulated. In Aarhus, during the entire year, the rain falls for 142.6 days and collects up to 304mm (11.97") of precipitation.Snowfall
In Aarhus, snow does not fall in May through September.Sea temperature
In Aarhus, in September, the average water temperature is 16.6°C (61.9°F).Note: Swimming in water that is 16.6°C (61.9°F) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Aarhus, the average length of the day in September is 12h and 45min.On the first day of the month, sunrise is at 06:24 and sunset at 20:13. On the last day of September, in Aarhus, sunrise is at 07:21 and sunset at 18:56 CEST.
Sunshine
The average sunshine in September is 7.6h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Aarhus in September?
What is the average humidity in September in Aarhus?
How many days does it rain in September in Aarhus?
When it does not snow in Aarhus?
Does it snow in Aarhus in September?
What is the sea temperature in September in Aarhus?
What is the average length of the day in September in Aarhus?
What time are sunrise and sunset in September in Aarhus?
How many hours of sunshine does Aarhus have in September?
What is the UV index reading in September in Aarhus?
Average temperature in September
Aarhus, Denmark
- Average high temperature in September: 16.6°C
The warmest month (with the highest average high temperature) is July (20.2°C).
The month with the lowest average high temperature is February (3°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).
Average pressure in September
Aarhus, Denmark
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is April (1015.4mbar).
The month with the lowest atmospheric pressure is December (1010.2mbar).
Average wind speed in September
Aarhus, Denmark
- Average wind speed in September: 17.2km/h
The windiest month (with the highest average wind speed) is December (20.6km/h).
The calmest month (with the lowest average wind speed) is July (15.2km/h).
Average humidity in September
Aarhus, Denmark
- Average humidity in September: 80%
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in September
Aarhus, Denmark
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Aarhus, Denmark
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in September
Aarhus, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is January (32mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Aarhus, Denmark
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in September
Aarhus, Denmark
- Average sea temperature in September: 16.6°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 March (3°C).
Average daylight in September /
Average sunshine in September
Aarhus, Denmark
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Aarhus, Denmark
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in September
Aarhus, 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
Aarhus, Denmark
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 40).
Average visibility in September
Aarhus, Denmark
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
