September weather forecastHvalsø, Denmark

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Hvalsø, Denmark, with an average temperature varying between 16.6°C (61.9°F) and 12.5°C (54.5°F).

Temperature

September heralds a minor drop in average high-temperature, sliding from August's pleasant 20.2°C (68.4°F) to a comfortable 16.6°C (61.9°F). Recording a slight drop from the daily maximum, Hvalsø notes an average low temperature of 12.5°C (54.5°F) in the month of September.

Humidity

The average relative humidity in September in Hvalsø is 80%.

Rainfall

In Hvalsø, in September, during 15.5 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Hvalsø, during the entire year, the rain falls for 164.1 days and collects up to 310mm (12.2") of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 44min.
On the first day of September, sunrise is at 06:18 and sunset at 20:05. On the last day of the month, sunrise is at 07:14 and sunset at 18:50 CEST.

Sunshine

The average sunshine in September is 7.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: During September, 4 as the daily maximum UV index converts into the following advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

In Hvalsø, 16.6°C (61.9°F) is the average high-temperature and 12.5°C (54.5°F) is the average low-temperature during September.

In September, the average relative humidity is 80%.

In Hvalsø, Denmark, during September, the rain falls for 15.5 days and regularly aggregates up to 33mm (1.3") of precipitation.

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

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

On the first day of September, sunrise is at 06:18 and sunset at 20:05. On the last day of the month, sunrise is at 07:14 and sunset at 18:50 CEST.

In September, the average sunshine duration in Hvalsø is 7.8h.

In September, the average daily maximum UV index in Hvalsø is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to 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
Hvalsø, Denmark

  • Average high temperature in September: 16.6°C

The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is February (2.7°C).

  • Average low temperature in September: 12.5°C

The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (-0.4°C).

Average pressure in September
Hvalsø, Denmark

  • Average pressure in September: 1015.1mbar

The month with the highest atmospheric pressure is April (1015.5mbar).
The month with the lowest atmospheric pressure is December (1011mbar).

Average wind speed in September
Hvalsø, Denmark

  • Average wind speed in September: 17.5km/h

The windiest month (with the highest average wind speed) is December (21km/h).
The calmest month (with the lowest average wind speed) is July (15km/h).

Average humidity in September
Hvalsø, Denmark

  • Average humidity in September: 80%

The months with the highest relative humidity are January, February, November and December (87%).
The months with the lowest relative humidity are May and June (77%).

Average rainfall in September
Hvalsø, Denmark

  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is August (43mm).
The driest month (with the least rainfall) is April (12mm).

Average rainfall days in September
Hvalsø, Denmark

  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is February (9.4 days).

Average snowfall in September
Hvalsø, Denmark

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (28mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Hvalsø, Denmark

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.5 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
Hvalsø, 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 48min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in September
Hvalsø, Denmark

  • Average sunshine days in September: 10.8 days

The month with the most sunshine days is April (16 days).
The month with the least sunshine days is December (8.5 days).

Average UV index in September
Hvalsø, 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
Hvalsø, Denmark

  • Average cloud cover in September: 47

The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are June and August (Cloud cover 39).

Average visibility in September
Hvalsø, 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).