September weather forecast and climate
Myrvallen, Sweden

Weather in September

September, the first month of the autumn, in Myrvallen, is also a fresh month, with average temperature ranging between min 4.5°C (40.1°F) and max 11.3°C (52.3°F).

Temperature

In September, the average high-temperature marginally drops, from a comfortable 16.1°C (61°F) in August, to a fresh 11.3°C (52.3°F). The average low-temperature, in Myrvallen, is 4.5°C (40.1°F).

Humidity

The average relative humidity in Myrvallen is 82%.

Rainfall

In September, in Myrvallen, the rain falls for 13.7 days. Throughout September, 40mm (1.57") of precipitation is accumulated. In Myrvallen, during the entire year, the rain falls for 110 days and collects up to 502mm (19.76") of precipitation.

Snowfall

January through July, September through December are months with snowfall in Myrvallen. September is the first month it typically snows. Throughout September, in the average 2.7 snowfall days, it receives 53mm (2.09") of snow. In Myrvallen, during the entire year, snow falls for 135.3 days, and aggregates up to 1873mm (73.74") of snow.

Daylight

In September, the average length of the day in Myrvallen is 13h.

Sunshine

The average sunshine in Myrvallen is 6.4h.

UV index

In September, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in September in Myrvallen?

In September, in Myrvallen, Sweden, the average high-temperature is 11.3°C (52.3°F), and the average low-temperature is 4.5°C (40.1°F).

What is the average humidity in September in Myrvallen?

In Myrvallen, the average relative humidity in September is 82%.

How many days does it rain in September in Myrvallen?

In Myrvallen, during September, the rain falls for 13.7 days and regularly aggregates up to 40mm (1.57") of precipitation.

When does it start to snow in Myrvallen?

September is the first month it typically snows. Throughout September, in the average 2.7 snowfall days, it receives 53mm (2.09") of snow.

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

The average length of the day in September in Myrvallen is 13h.

How long on average sun shines in September in Myrvallen?

In September, the average sunshine is 6.4h.

How high is the UV index in September in Myrvallen?

In Myrvallen, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV rays.

Average temperature in September
Myrvallen, Sweden

Average temperature in September - Myrvallen, Sweden
  • Average high temperature in September: 11.3°C

The warmest month (with the highest average high temperature) is July (17.5°C).
The month with the lowest average high temperature is January (-5.8°C).

  • Average low temperature in September: 4.5°C

The month with the highest average low temperature is July (8.7°C).
The coldest months (with the lowest average low temperature) are January and February (-11.3°C).

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Average pressure in September
Myrvallen, Sweden

Average pressure in September - Myrvallen, Sweden
  • Average pressure in September: 1011.9mbar

The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1006.3mbar).

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Average wind speed in September
Myrvallen, Sweden

Average wind speed in September - Myrvallen, Sweden
  • Average wind speed in September: 12.9km/h

The windiest month (with the highest average wind speed) is June (13.8km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).

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Average humidity in September
Myrvallen, Sweden

Average humidity in September - Myrvallen, Sweden
  • Average humidity in September: 82%

The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (70%).

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Average rainfall in September
Myrvallen, Sweden

Average rainfall in September - Myrvallen, Sweden
  • Average rainfall in September: 40mm

The wettest months (with the highest rainfall) are June and July (58mm).
The driest month (with the least rainfall) is April (24mm).

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Average rainfall days in September
Myrvallen, Sweden

Average rainfall days in September - Myrvallen, Sweden
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (2.4 days).

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Average snowfall in September
Myrvallen, Sweden

Average snowfall in September - Myrvallen, Sweden
  • Average snowfall in September: 53mm

The month with the highest snowfall is December (317mm).
The month with the least snowfall is August (0mm).

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Average snowfall days in September
Myrvallen, Sweden

Average snowfall days in September - Myrvallen, Sweden
  • Average snowfall days in September: 2.7 days

The month with the highest number of snowfall days is January (19.3 days).
Months with the least snowfall days are July and August (0.1 days).

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Average daylight in September /
Average sunshine in September
Myrvallen, Sweden

Average daylight in September / Average sunshine in September - Myrvallen, Sweden
  • Average daylight in September: 13h

The month with the longest days is June (Average daylight: 19.9h).
The month with the shortest days is December (Average daylight: 5.1h).

  • Average sunshine in September: 6.4h

Months with the most sunshine are June and July (Average sunshine: 10.3h).
The month with the least sunshine is December (Average sunshine: 1.4h).

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Average sunshine days in September
Myrvallen, Sweden

Average sunshine days in September - Myrvallen, Sweden
  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is February (9.2 days).

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Average UV index in September
Myrvallen, Sweden

Average UV index in September - Myrvallen, Sweden
  • Average UV index in September: 2

Months with the highest UV index are June and July (UV index 4).
Months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in September
Myrvallen, Sweden

Average cloud cover in September - Myrvallen, Sweden
  • Average cloud cover in September: 57

The month with the most cloud cover is February (Cloud cover 69).
Months with the least cloud cover are July and August (Cloud cover 52).

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Average visibility in September
Myrvallen, Sweden

Average visibility in September - Myrvallen, Sweden
  • Average visibility in September: 9km

Months with the highest visibility are May, June, July, August and September (9km).
Months with the lowest visibility are January, February, March, November and December (7km).

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