September weather forecastSelfors, Norway

September

Weather in September

The first month of the autumn, September, is still a chilly month in Selfors, Norway, with temperature in the range of an average low of 3.2°C (37.8°F) and an average high of 8.2°C (46.8°F).

Temperature

The shift from August to September corresponds with a decrease in the average high-temperature, down to a chilly 8.2°C (46.8°F) from a mild 13.3°C (55.9°F). In Selfors, September is characterized by an average low-temperature of 3.2°C (37.8°F), indicating a minor drop from daytime highs.

Humidity

The average relative humidity in September is 86%.

Rainfall

In Selfors, in September, it is raining for 20.1 days, with typically 89mm (3.5") of accumulated precipitation. Throughout the year, there are 177.9 rainfall days, and 1111mm (43.74") of precipitation is accumulated.

Snowfall

Months with snowfall in Selfors are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow. In Selfors, during the entire year, snow falls for 123.4 days and aggregates up to 2994mm (117.87") of snow.

Daylight

The average length of the day in September is 13h and 7min.
On the first day of September, sunrise is at 05:39 and sunset at 20:27. On the last day of the month, sunrise is at 07:12 and sunset at 18:33 CEST.

Sunshine

In Selfors, the average sunshine in September is 4.9h.

UV index

In Selfors, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 2 in September translates into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

The high-temperature, in September, in Selfors, is 8.2°C (46.8°F), while the low-temperature averages to 3.2°C (37.8°F).

The average relative humidity in September is 86%.

In Selfors, during September, the rain falls for 20.1 days and regularly aggregates up to 89mm (3.5") of precipitation.

September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow.

In September, the average day length is 13h and 7min.

In September, on the first day of the month, sunrise is at 05:39 and sunset at 20:27. On the last day of the month, sunrise is at 07:12 and sunset at 18:33 CEST.

The average sunshine duration in September is 4.9h.

The average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health 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
Selfors, Norway

  • Average high temperature in September: 8.2°C

The warmest month (with the highest average high temperature) is July (14.5°C).
The month with the lowest average high temperature is January (-7.2°C).

  • Average low temperature in September: 3.2°C

The month with the highest average low temperature is July (7.6°C).
The coldest month (with the lowest average low temperature) is February (-12.8°C).

Average pressure in September
Selfors, Norway

  • Average pressure in September: 1010mbar

The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1002.9mbar).

Average wind speed in September
Selfors, Norway

  • Average wind speed in September: 10.4km/h

The windiest month (with the highest average wind speed) is January (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).

Average humidity in September
Selfors, Norway

  • Average humidity in September: 86%

The months with the highest relative humidity are March and April (93%).
The month with the lowest relative humidity is July (77%).

Average rainfall in September
Selfors, Norway

  • Average rainfall in September: 89mm

The wettest month (with the highest rainfall) is March (143mm).
The driest months (with the least rainfall) are May and June (62mm).

Average rainfall days in September
Selfors, Norway

  • Average rainfall days in September: 20.1 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is February (8 days).

Average snowfall in September
Selfors, Norway

  • Average snowfall in September: 2mm

The month with the highest snowfall is March (622mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in September
Selfors, Norway

  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is March (21.8 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in September /
Average sunshine in September
Selfors, Norway

  • Average daylight in September: 13h and 6min

The month with the longest days is May (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 2h and 54min).

  • Average sunshine in September: 4h and 54min

The month with the most sunshine is July (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).

Average sunshine days in September
Selfors, Norway

  • Average sunshine days in September: 8.2 days

The month with the most sunshine days is October (10.5 days).
The month with the least sunshine days is July (7.7 days).

Average UV index in September
Selfors, Norway

  • Average UV index in September: 2

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).

Average cloud cover in September
Selfors, Norway

  • Average cloud cover in September: 66

The months with the most cloud cover are March and April (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 58).

Average visibility in September
Selfors, Norway

  • Average visibility in September: 8km

The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are March and April (6km).