September weather forecastSundbyøster, Denmark

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Sundbyøster, Denmark, with an average temperature fluctuating between 16.8°C (62.2°F) and 13.3°C (55.9°F).

Temperature

September is characterized by a mild reduction in the average high-temperature, from a comfortable 19.9°C (67.8°F) in August to a still enjoyable 16.8°C (62.2°F). An average low-temperature of 13.3°C (55.9°F) characterizes Sundbyøster's September nights.

Humidity

The average relative humidity in September in Sundbyøster, Denmark, is 78%.

Rainfall

In Sundbyøster, in September, during 14.4 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, there are 165.4 rainfall days, and 367mm (14.45") of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Sundbyøster, the average length of the day in September is 12h and 44min.
On the first day of September, sunrise is at 06:15 and sunset at 20:03. On the last day of the month, sunrise is at 07:11 and sunset at 18:47 CEST.

Sunshine

The average sunshine in September in Sundbyøster, Denmark, is 7.9h.

UV index

In September, the average daily maximum UV index in Sundbyøster is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

In Sundbyøster, in September, the average high-temperature is 16.8°C (62.2°F), and the average low-temperature is 13.3°C (55.9°F).

The average relative humidity in September in Sundbyøster, Denmark, is 78%.

In Sundbyøster, Denmark, during September, the rain falls for 14.4 days and regularly aggregates up to 35mm (1.38") of precipitation.

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

The average day length in September in Sundbyøster, Denmark, is 12h and 44min.

On the first day of September, sunrise is at 06:15 and sunset at 20:03. On the last day of the month, sunrise is at 07:11 and sunset at 18:47 CEST.

In September, the average sunshine duration in Sundbyøster, Denmark, is 7.9h.

The average daily maximum UV index in September in Sundbyøster, Denmark, is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Sundbyøster, Denmark

  • Average high temperature in September: 16.8°C

The warmest month (with the highest average high temperature) is July (20°C).
The months with the lowest average high temperature are January and February (2.7°C).

  • Average low temperature in September: 13.3°C

The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (0.1°C).

Average pressure in September
Sundbyøster, Denmark

  • Average pressure in September: 1015.3mbar

The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).

Average wind speed in September
Sundbyøster, Denmark

  • Average wind speed in September: 19.2km/h

The windiest month (with the highest average wind speed) is December (23km/h).
The calmest months (with the lowest average wind speed) are June and July (16.2km/h).

Average humidity in September
Sundbyøster, Denmark

  • Average humidity in September: 78%

The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is May (75%).

Average rainfall in September
Sundbyøster, Denmark

  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is August (48mm).
The driest month (with the least rainfall) is April (14mm).

Average rainfall days in September
Sundbyøster, Denmark

  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is February (9.5 days).

Average snowfall in September
Sundbyøster, Denmark

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Sundbyøster, Denmark

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8 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
Sundbyøster, Denmark

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in September
Sundbyøster, Denmark

  • Average sunshine days in September: 12 days

The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is December (8.2 days).

Average UV index in September
Sundbyøster, 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
Sundbyøster, Denmark

  • Average cloud cover in September: 45

The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
Sundbyøster, 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).