September weather forecastHoleby, Denmark

September

Weather in September

September, the first month of the autumn in Holeby, is also an enjoyable month, with an average temperature ranging between max 16.5°C (61.7°F) and min 14.1°C (57.4°F).

Temperature

With the beginning of September, the average high-temperature shows a small decrease, transitioning from 19.8°C (67.6°F) in August to a still refreshing 16.5°C (61.7°F). Holeby's September nights demonstrate minimal variation from the daytime temperatures, with an average of 14.1°C (57.4°F).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Holeby, Denmark, in September, it is raining for 16.1 days, with typically 40mm (1.57") of accumulated precipitation. In Holeby, during the entire year, the rain falls for 167.4 days and collects up to 398mm (15.67") of precipitation.

Snowfall

In Holeby, snow does not fall in May through October.

Daylight

The average length of the day in September in Holeby, Denmark, is 12h and 43min.
On the first day of September, sunrise is at 06:22 and sunset at 20:05. On the last day of the month, sunrise is at 07:15 and sunset at 18:52 CEST.

Sunshine

In September, the average sunshine in Holeby, Denmark, is 8.1h.

UV index

In Holeby, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 4 during September leads to these advisories:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

In September, the average high-temperature and low-temperature are 16.5°C (61.7°F) and 14.1°C (57.4°F) respectively.

In Holeby, the average relative humidity in September is 78%.

In Holeby, Denmark, in September, during 16.1 rainfall days, 40mm (1.57") of precipitation is typically accumulated.

In Holeby, Denmark, snow does not fall in May through October.

In Holeby, Denmark, the average day length in September is 12h and 43min.

On the first day of September in Holeby, Denmark, sunrise is at 06:22 and sunset at 20:05. On the last day of the month, sunrise is at 07:15 and sunset at 18:52 CEST.

In September, the average sunshine duration is 8.1h.

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
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
Holeby, 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
Holeby, 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
Holeby, 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
Holeby, 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
Holeby, 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
Holeby, 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
Holeby, 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
Holeby, 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 daylight in September /
Average sunshine in September
Holeby, 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 18min).

  • 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
Holeby, 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
Holeby, 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
Holeby, 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
Holeby, 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).