September weather forecastHaarby, Denmark

September

Weather in September

September, the first month of the autumn in Haarby, is still a comfortable month, with temperature in the range of an average high of 16.7°C (62.1°F) and an average low of 12.9°C (55.2°F).

Temperature

September's onset brings a negligible change in high-temperatures, falling from a pleasant 20.1°C (68.2°F) in August to a comfortable 16.7°C (62.1°F). Nighttime readings during September register a minimal drop from daytime highs, averaging at a cool 12.9°C (55.2°F).

Humidity

In Haarby, the average relative humidity in September is 79%.

Rainfall

In Haarby, in September, it is raining for 10.6 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, there are 138.6 rainfall days, and 284mm (11.18") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day in Haarby, Denmark, is 12h and 43min.
On the first day of September, sunrise is at 06:26 and sunset at 20:12. On the last day of the month, sunrise is at 07:21 and sunset at 18:57 CEST.

Sunshine

The average sunshine in September in Haarby is 7.4h.

UV index

In September, the average daily maximum UV index in Haarby is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

An average high-temperature, in September, in Haarby, is 16.7°C (62.1°F) and the average low-temperature is 12.9°C (55.2°F).

In Haarby, the average relative humidity in September is 79%.

In Haarby, in September, it is raining for 10.6 days, with typically 26mm (1.02") of accumulated precipitation.

May through September are months without snowfall in Haarby, Denmark.

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

The average day length in September in Haarby is 12h and 43min.

In September, on the first day of the month, sunrise is at 06:26 and sunset at 20:12. On the last day of the month, in Haarby, sunrise is at 07:21 and sunset at 18:57 CEST.

In September, the average sunshine duration in Haarby, Denmark, is 7.4h.

In September, the average daily maximum UV index in Haarby is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Haarby, Denmark

  • Average high temperature in September: 16.7°C

The warmest months (with the highest average high temperature) are July and August (20.1°C).
The month with the lowest average high temperature is February (3.3°C).

  • Average low temperature in September: 12.9°C

The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (0.5°C).

Average pressure in September
Haarby, Denmark

  • Average pressure in September: 1015.1mbar

The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).

Average wind speed in September
Haarby, Denmark

  • Average wind speed in September: 19km/h

The windiest month (with the highest average wind speed) is December (23.1km/h).
The calmest month (with the lowest average wind speed) is July (16.2km/h).

Average humidity in September
Haarby, Denmark

  • Average humidity in September: 79%

The months with the highest relative humidity are January, February and December (86%).
The months with the lowest relative humidity are May and August (76%).

Average rainfall in September
Haarby, Denmark

  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is July (39mm).
The driest months (with the least rainfall) are March and April (15mm).

Average rainfall days in September
Haarby, Denmark

  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is February (8 days).

Average snowfall in September
Haarby, Denmark

  • Average snowfall in September: 0mm

The months with the highest snowfall are January and February (23mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Haarby, Denmark

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (7.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Haarby, 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 12min).

  • Average sunshine in September: 7h and 24min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).

Average sunshine days in September
Haarby, Denmark

  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is April (17 days).
The month with the least sunshine days is February (11.4 days).

Average UV index in September
Haarby, 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
Haarby, Denmark

  • Average cloud cover in September: 48

The months with the most cloud cover are February and December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in September
Haarby, 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).