September weather forecast
Larkollen, Norway

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Weather in September

The first month of the autumn, September, is also a moderate month in Larkollen, Norway, with an average temperature varying between 10°C (50°F) and 15.3°C (59.5°F).

Temperature

With the onset of September, Larkollen's climate undergoes a slight change as the average high-temperature moves from a refreshing 18.7°C (65.7°F) in August to a moderate 15.3°C (59.5°F). During September nights, Larkollen witnesses a consistent average temperature of 10°C (50°F).

Humidity

In Larkollen, Norway, the average relative humidity in September is 78%.

Rainfall

In September, the rain falls for 11.2 days. Throughout September, 49mm (1.93") of precipitation is accumulated. Throughout the year, in Larkollen, there are 139.8 rainfall days, and 534mm (21.02") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Sea temperature

In Larkollen, Norway, the average seawater temperature in September is 15.8°C (60.4°F).
Note: When the surface water temperature is 15.8°C (60.4°F), most do not enjoy swimming. Breathing control becomes more complex as temperatures drop below 21°C (69.8°F).

Daylight

In September, the average length of the day is 12h and 50min.
On the first day of the month, sunrise is at 06:15 and sunset at 20:18. On the last day of September, in Larkollen, sunrise is at 07:21 and sunset at 18:52 CEST.

Sunshine

The average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index in Larkollen is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

What is the average September temperature in Larkollen?

In September, in Larkollen, the average high-temperature is 15.3°C (59.5°F), and the average low-temperature is 10°C (50°F).

What is the average humidity in September in Larkollen?

In September, the average relative humidity is 78%.

How many days does it rain in September in Larkollen?

In Larkollen, in September, during 11.2 rainfall days, 49mm (1.93") of precipitation is typically accumulated.

When it does not snow in Larkollen?

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

Does it snow in Larkollen in September?

In Larkollen, in September, it doesn't snow. In October, it regularly snows.

What is the sea temperature in September in Larkollen?

In September, the average sea temperature in Larkollen is 15.8°C (60.4°F). Swimming in 15.8°C (60.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in September in Larkollen?

In Larkollen, the average day length in September is 12h and 50min.

When are sunrise and sunset in September in Larkollen?

In September, on the first day of the month, sunrise is at 06:15 and sunset at 20:18. On the last day of the month, sunrise is at 07:21 and sunset at 18:52 CEST.

How many hours of sunshine does Larkollen have in September?

The average sunshine duration in September is 8.3h.

What is the UV index intensity in September in Larkollen?

In Larkollen, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Larkollen, Norway

Average temperature in September - Larkollen, Norway
  • Average high temperature in September: 15.3°C

The warmest month (with the highest average high temperature) is July (19.7°C).
The month with the lowest average high temperature is February (-0.2°C).

  • Average low temperature in September: 10°C

The month with the highest average low temperature is July (13.1°C).
The coldest month (with the lowest average low temperature) is February (-4.1°C).

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Average pressure in September
Larkollen, Norway

Average pressure in September - Larkollen, Norway
  • Average pressure in September: 1012.8mbar

The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008mbar).

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Average wind speed in September
Larkollen, Norway

Average wind speed in September - Larkollen, Norway
  • Average wind speed in September: 14.8km/h

The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).

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Average humidity in September
Larkollen, Norway

Average humidity in September - Larkollen, Norway
  • Average humidity in September: 78%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (71%).

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Average rainfall in September
Larkollen, Norway

Average rainfall in September - Larkollen, Norway
  • Average rainfall in September: 49mm

The wettest month (with the highest rainfall) is November (62mm).
The driest month (with the least rainfall) is April (25mm).

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Average rainfall days in September
Larkollen, Norway

Average rainfall days in September - Larkollen, Norway
  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in September
Larkollen, Norway

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

The month with the highest snowfall is January (120mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Larkollen, Norway

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

The month with the highest number of snowfall days is February (12 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in September
Larkollen, Norway

Average sea temperature in September - Larkollen, Norway
  • Average sea temperature in September: 15.8°C

The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).

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

Average daylight in September / Average sunshine in September - Larkollen, 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: 8h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

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Average sunshine days in September
Larkollen, Norway

Average sunshine days in September - Larkollen, Norway
  • Average sunshine days in September: 17 days

The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is February (10.7 days).

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Average UV index in September
Larkollen, Norway

Average UV index in September - Larkollen, Norway
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in September
Larkollen, Norway

Average cloud cover in September - Larkollen, Norway
  • Average cloud cover in September: 42

The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are June, July and August (Cloud cover 37).

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Average visibility in September
Larkollen, Norway

Average visibility in September - Larkollen, Norway
  • Average visibility in September: 10km

The months with the highest visibility are May, June, August, September and October (10km).
The months with the lowest visibility are February and March (8km).

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Larkollen, Norway

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