September weather forecast
Dalen, Norway

September

Weather in September

September, the first month of the autumn in Dalen, is still a cool month, with an average temperature fluctuating between 4.8°C (40.6°F) and 12.7°C (54.9°F).

Temperature

The advent of September brings a slight shift in average high-temperature, moving from a refreshing 17°C (62.6°F) in August to a cool 12.7°C (54.9°F). An average low-temperature of 4.8°C (40.6°F) is noted during the nights in September in Dalen.

Humidity

The average relative humidity in September is 82%.

Rainfall

In September, the rain falls for 16.3 days. Throughout September, 77mm (3.03") of precipitation is accumulated. In Dalen, during the entire year, the rain falls for 158.6 days and collects up to 831mm (32.72") of precipitation.

Snowfall

In Dalen, Norway, snow does not fall in June through September.

Daylight

In September, the average length of the day in Dalen is 12h and 50min.
On the first day of September, sunrise is at 06:25 and sunset at 20:29. On the last day of the month, sunrise is at 07:32 and sunset at 19:03 CEST.

Sunshine

The average sunshine in September is 6.9h.

UV index

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 3 suggests this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

What is the usual temperature for Dalen in September?
In Dalen, in September, the average high-temperature is 12.7°C (54.9°F), and the average low-temperature is 4.8°C (40.6°F).
What is the average humidity in September in Dalen?
In Dalen, the average relative humidity in September is 82%.
How much does it rain in Dalen in September?
In Dalen, during September, the rain falls for 16.3 days and regularly aggregates up to 77mm (3.03") of precipitation.
When it does not snow in Dalen?
June through September are months without snowfall.
Does it snow in Dalen in September?
In Dalen, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Dalen?
In September, the average day length in Dalen is 12h and 50min.
When is the sunrise / sunset in September in Dalen?
On the first day of September in Dalen, sunrise is at 06:25 and sunset at 20:29. On the last day of the month, sunrise is at 07:32 and sunset at 19:03 CEST.
How many hours of sunshine does Dalen have in September?
The average sunshine duration in September is 6.9h.
How high is the UV index in September in Dalen?
In Dalen, Norway, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health threat 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Dalen, Norway
Average temperature in September
Dalen, Norway
  • Average high temperature in September: 12.7°C

The warmest month (with the highest average high temperature) is July (18.4°C).
The month with the lowest average high temperature is January (-3.6°C).

  • Average low temperature in September: 4.8°C

The month with the highest average low temperature is July (8.5°C).
The coldest month (with the lowest average low temperature) is February (-8.9°C).

Average pressure in September - Dalen, Norway
Average pressure in September
Dalen, Norway
  • Average pressure in September: 1012.6mbar

The month with the highest atmospheric pressure is April (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).

Average wind speed in September - Dalen, Norway
Average wind speed in September
Dalen, Norway
  • Average wind speed in September: 9km/h

The windiest months (with the highest average wind speed) are January and December (9.3km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).

Average humidity in September - Dalen, Norway
Average humidity in September
Dalen, Norway
  • Average humidity in September: 82%

The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is June (68%).

Average rainfall in September - Dalen, Norway
Average rainfall in September
Dalen, Norway
  • Average rainfall in September: 77mm

The wettest month (with the highest rainfall) is November (93mm).
The driest month (with the least rainfall) is April (36mm).

Average rainfall days in September - Dalen, Norway
Average rainfall days in September
Dalen, Norway
  • Average rainfall days in September: 16.3 days

The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is February (5.1 days).

Average snowfall in September - Dalen, Norway
Average snowfall in September
Dalen, Norway
  • Average snowfall in September: 0mm

The month with the highest snowfall is December (418mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September - Dalen, Norway
Average snowfall days in September
Dalen, Norway
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Dalen, Norway
Average daylight in September /
Average sunshine in September
Dalen, Norway
  • Average daylight in September: 12h and 5min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in September: 6h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).

Average sunshine days in September - Dalen, Norway
Average sunshine days in September
Dalen, Norway
  • Average sunshine days in September: 10.8 days

The month with the most sunshine days is April (12.6 days).
The month with the least sunshine days is August (8.8 days).

Average UV index in September - Dalen, Norway
Average UV index in September
Dalen, Norway
  • Average UV index in September: 3

The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, October and December (UV index 1).

Average cloud cover in September - Dalen, Norway
Average cloud cover in September
Dalen, Norway
  • Average cloud cover in September: 51

The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is June (Cloud cover 41).

Average visibility in September - Dalen, Norway
Average visibility in September
Dalen, Norway
  • Average visibility in September: 8km

The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February, March and November (6km).

englishespañol中文
Share