September weather forecastHorsens, Denmark

September

Weather in September

September in Horsens is a clear indication of the changing season. Although the sea temperature declines to 16.7°C (62.1°F), it still attracts locals and tourists to the beach. A noticeable decrease in temperature, compared to the preceding month, signals the upcoming fall season. The decrease in daylight hours corresponds well with this change. Fall's rustic charm slowly begins to infuse its way into the cityscape, setting the stage for the farewell to summer.

Temperature

Horsens's weather subtly changes with the onset of September, barely falling from a pleasant 20.6°C (69.1°F) in August to a refreshing 17.1°C (62.8°F). Throughout September, the temperature falls to an average low of 10.7°C (51.3°F).

Humidity

The average relative humidity in September is 82%.

Rainfall

In Horsens, in September, during 13.1 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, in Horsens, Denmark, there are 156.5 rainfall days, and 311mm (12.24") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Sea temperature

In Horsens, the average seawater temperature in September is 16.7°C (62.1°F).
Note: In water with a temperature of 16.7°C (62.1°F), most individuals do not find swimming enjoyable. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), breathing control becomes more difficult.

Daylight

In Horsens, Denmark, the average length of the day in September is 12h and 44min.
On the first day of September, sunrise is at 06:26 and sunset at 20:14. On the last day of the month, sunrise is at 07:22 and sunset at 18:58 CEST.

Sunshine

The average sunshine in September is 6.9h.

UV index

In Horsens, Denmark, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 3 suggests these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Horsens, in September, the average high-temperature is 17.1°C (62.8°F), and the average low-temperature is 10.7°C (51.3°F).

In September, the average relative humidity is 82%.

In Horsens, Denmark, in September, it is raining for 13.1 days, with typically 27mm (1.06") of accumulated precipitation.

In Horsens, snow does not fall in May through September.

In Horsens, in September, it doesn't snow. In October, it regularly snows.

In September, the average sea temperature in Horsens is 16.7°C (62.1°F). For most, swimming in 16.7°C (62.1°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

In September, the average day length in Horsens is 12h and 44min.

In September, on the first day of the month, sunrise is at 06:26 and sunset at 20:14. On the last day of the month, in Horsens, sunrise is at 07:22 and sunset at 18:58 CEST.

The average sunshine duration in September is 6.9h.

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

20.6°C

17.1°C

12.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

14.5km/h

15km/h

17km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.2

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

12.8

11.5

12.4

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Horsens, Denmark

Average high temperature in September: 17.1°C

The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (3°C).

Average low temperature in September: 10.7°C

The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (-0.5°C).

Average pressure in September
Horsens, Denmark

Average pressure in September: 1014.8mbar

The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).

Average wind speed in September
Horsens, Denmark

Average wind speed in September: 14.4km/h

The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (13.4km/h).

Average humidity in September
Horsens, Denmark

Average humidity in September: 82%

The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are April and May (75%).

Average rainfall in September
Horsens, Denmark

Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is August (34mm).
The driest month (with the least rainfall) is April (15mm).

Average rainfall days in September
Horsens, Denmark

Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is October (15.5 days).
The month with the least rainy days is February (9.5 days).

Average snowfall in September
Horsens, Denmark

Average snowfall in September: 0mm

The month with the highest snowfall is February (32mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Horsens, Denmark

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in September
Horsens, Denmark

Average sea temperature in September: 16.7°C

The best month for swimming (with the highest average sea temperature) is August (18.1°C).
The coldest months (with the lowest average sea temperature) are January and February (3.3°C).

Average daylight in September /
Average sunshine in September
Horsens, Denmark

Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).

Average sunshine in September: 6h and 54min

The month with the most sunshine is June (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).

Average sunshine days in September
Horsens, Denmark

Average sunshine days in September: 11.5 days

The month with the most sunshine days is April (16.4 days).
The month with the least sunshine days is September (11.5 days).

Average UV index in September
Horsens, Denmark

Average UV index in September: 3

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
Horsens, Denmark

Average cloud cover in September: 52

The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 45).

Average visibility in September
Horsens, Denmark

Average visibility in September: 9km

The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is March (8km).