September weather forecast
Austertana, Norway

September

Weather in September

The first month of the autumn, September, is still a chilly month in Austertana, Norway, with an average temperature ranging between min 3.9°C (39°F) and max 9.2°C (48.6°F).

Temperature

Austertana in September experiences a gentle temperature dip, with average high-temperatures reducing from a fresh 12.8°C (55°F) in August to a frosty 9.2°C (48.6°F). September nights cool down to an average low-temperature of 3.9°C (39°F).

Humidity

In September, the average relative humidity is 85%.

Rainfall

In September, the rain falls for 15.4 days. Throughout September, 30mm (1.18") of precipitation is accumulated. In Austertana, during the entire year, the rain falls for 125.6 days and collects up to 370mm (14.57") of precipitation.

Snowfall

January through June, September through December are months with snowfall in Austertana. September is the first month it typically snows. Throughout September, in the average 1.3 snowfall days, it receives 8mm (0.31") of snow. In Austertana, during the entire year, snow falls for 130.5 days and aggregates up to 932mm (36.69") of snow.

Daylight

In Austertana, Norway, the average length of the day in September is 13h and 23min.
On the first day of September, sunrise is at 04:21 and sunset at 19:50. On the last day of the month, sunrise is at 06:20 and sunset at 17:31 CEST.

Sunshine

The average sunshine in September in Austertana, Norway, is 4.8h.

UV index

In Austertana, Norway, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a regular UV index of 2 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

What are September temperatures in Austertana?
In Austertana, in September, the average high-temperature is 9.2°C (48.6°F), and the average low-temperature is 3.9°C (39°F).
What is the average humidity in September in Austertana?
In Austertana, Norway, the average relative humidity in September is 85%.
How much does it rain in Austertana in September?
In Austertana, in September, during 15.4 rainfall days, 30mm (1.18") of precipitation is typically accumulated.
When does it start to snow in Austertana?
September is the first month it typically snows in Austertana. Throughout September, in the average 1.3 snowfall days, it receives 8mm (0.31") of snow.
What is the average length of the day in September in Austertana?
In Austertana, Norway, the average day length in September is 13h and 23min.
When is the sunrise / sunset in September in Austertana?
In September, on the first day of the month, sunrise is at 04:21 and sunset at 19:50. On the last day of the month, in Austertana, sunrise is at 06:20 and sunset at 17:31 CEST.
How many hours of sunshine does Austertana have in September?
The average sunshine duration in September is 4.8h.
What is the UV index reading in September in Austertana?
In September, the average daily maximum UV index in Austertana is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Austertana, Norway
  • Average high temperature in September: 9.2°C

The warmest month (with the highest average high temperature) is July (14.8°C).
The month with the lowest average high temperature is January (-7°C).

  • Average low temperature in September: 3.9°C

The month with the highest average low temperature is July (8.2°C).
The coldest month (with the lowest average low temperature) is February (-12.6°C).

Average pressure in September
Austertana, Norway
  • Average pressure in September: 1009.6mbar

The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1001.6mbar).

Average wind speed in September
Austertana, Norway
  • Average wind speed in September: 15.5km/h

The windiest month (with the highest average wind speed) is March (18.5km/h).
The calmest month (with the lowest average wind speed) is August (13.8km/h).

Average humidity in September
Austertana, Norway
  • Average humidity in September: 85%

The months with the highest relative humidity are January, February, April and December (91%).
The month with the lowest relative humidity is June (75%).

Average rainfall in September
Austertana, Norway
  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is July (39mm).
The driest month (with the least rainfall) is February (22mm).

Average rainfall days in September
Austertana, Norway
  • Average rainfall days in September: 15.4 days

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.4 days).

Average snowfall in September
Austertana, Norway
  • Average snowfall in September: 8mm

The month with the highest snowfall is December (160mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in September
Austertana, Norway
  • Average snowfall days in September: 1.3 days

The month with the highest number of snowfall days is March (20.8 days).
The month with the least snowfall days is August (0 days).

Average daylight in September /
Average sunshine in September
Austertana, Norway
  • Average daylight in September: 13h and 2min

The month with the longest days is August (Average daylight: 18h and 24min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).

  • Average sunshine in September: 4h and 5min

The month with the most sunshine is August (Average sunshine: 7h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 18min).

Average sunshine days in September
Austertana, Norway
  • Average sunshine days in September: 11.3 days

The month with the most sunshine days is January (12 days).
The month with the least sunshine days is March (7.5 days).

Average UV index in September
Austertana, 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
Austertana, Norway
  • Average cloud cover in September: 65

The month with the most cloud cover is April (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 62).

Average visibility in September
Austertana, Norway
  • Average visibility in September: 9km

The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January, February and April (7km).

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