September weather forecastHaltdalen, Norway

September

Weather in September

The first month of the autumn, September, is still a cool month in Haltdalen, Norway, with an average temperature varying between 4°C (39.2°F) and 10.7°C (51.3°F).

Temperature

With the beginning of September, the average high-temperature shows a small decrease, transitioning from a moderate 15°C (59°F) in August to a fresh 10.7°C (51.3°F). Throughout September nights, Haltdalen registers an average low-temperature of 4°C (39.2°F).

Humidity

In Haltdalen, the average relative humidity in September is 84%.

Rainfall

In September, in Haltdalen, the rain falls for 17.1 days. Throughout September, 57mm (2.24") of precipitation is accumulated. Throughout the year, in Haltdalen, there are 147.2 rainfall days, and 718mm (28.27") of precipitation is accumulated.

Snowfall

Months with snowfall in Haltdalen are January through June, September through December. September is the first month it typically snows in Haltdalen. Throughout September, in the average 0.7 snowfall days, it receives 27mm (1.06") of snow. In Haltdalen, Norway, during the entire year, snow falls for 116.1 days and aggregates up to 2179mm (85.79") of snow.

Daylight

The average length of the day in September is 12h and 58min.
On the first day of September in Haltdalen, sunrise is at 06:03 and sunset at 20:26. On the last day of the month, sunrise is at 07:22 and sunset at 18:48 CEST.

Sunshine

In September, the average sunshine in Haltdalen is 6.9h.

UV index

The average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 2 in September translates into the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

In September, the average high-temperature and low-temperature in Haltdalen, Norway, are 10.7°C (51.3°F) and 4°C (39.2°F) respectively.

The average relative humidity in September in Haltdalen is 84%.

In Haltdalen, Norway, in September, during 17.1 rainfall days, 57mm (2.24") of precipitation is typically accumulated.

September is the first month it typically snows in Haltdalen, Norway. Throughout September, in the average 0.7 snowfall days, it receives 27mm (1.06") of snow.

In Haltdalen, the average day length in September is 12h and 58min.

In September, on the first day of the month, sunrise is at 06:03 and sunset at 20:26. On the last day of the month, in Haltdalen, sunrise is at 07:22 and sunset at 18:48 CEST.

In September, the average sunshine duration in Haltdalen is 6.9h.

The average daily maximum UV index in September in Haltdalen is 2. A UV Index estimate of 2, and below, represents a low health threat 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Haltdalen, Norway

  • Average high temperature in September: 10.7°C

The warmest month (with the highest average high temperature) is July (15.8°C).
The month with the lowest average high temperature is January (-5.5°C).

  • Average low temperature in September: 4°C

The month with the highest average low temperature is July (7.3°C).
The coldest month (with the lowest average low temperature) is January (-10.4°C).

Average pressure in September
Haltdalen, Norway

  • Average pressure in September: 1011.3mbar

The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1005.2mbar).

Average wind speed in September
Haltdalen, Norway

  • Average wind speed in September: 14km/h

The windiest month (with the highest average wind speed) is January (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11.2km/h).

Average humidity in September
Haltdalen, Norway

  • Average humidity in September: 84%

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

Average rainfall in September
Haltdalen, Norway

  • Average rainfall in September: 57mm

The wettest month (with the highest rainfall) is March (69mm).
The driest month (with the least rainfall) is November (35mm).

Average rainfall days in September
Haltdalen, Norway

  • Average rainfall days in September: 17.1 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (5.1 days).

Average snowfall in September
Haltdalen, Norway

  • Average snowfall in September: 27mm

The month with the highest snowfall is March (351mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in September
Haltdalen, Norway

  • Average snowfall days in September: 0.7 days

The month with the highest number of snowfall days is March (19.6 days).
The month with the least snowfall days is August (0 days).

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

  • Average daylight in September: 13h and 0min

The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 5h and 0min).

  • Average sunshine in September: 6h and 54min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).

Average sunshine days in September
Haltdalen, Norway

  • Average sunshine days in September: 11 days

The month with the most sunshine days is November (14.1 days).
The months with the least sunshine days are April and July (8.5 days).

Average UV index in September
Haltdalen, 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, October and December (UV index 1).

Average cloud cover in September
Haltdalen, Norway

  • Average cloud cover in September: 57

The months with the most cloud cover are March and April (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 55).

Average visibility in September
Haltdalen, Norway

  • Average visibility in September: 8km

The month with the highest visibility is June (9km).
The month with the lowest visibility is April (6km).