September weather forecast and climate
Ruona, Sweden

Weather in September

September, the first month of the autumn, in Ruona, is also a fresh month, with temperature in the range of an average high of 12.3°C (54.1°F) and an average low of 5.8°C (42.4°F).

Temperature

In September, the average high-temperature drops, from an enjoyable 17.7°C (63.9°F) in August, to a cool 12.3°C (54.1°F). In September, the average low-temperature is 5.8°C (42.4°F).

Humidity

In Ruona, the average relative humidity is 82%.

Rainfall

In September, in Ruona, the rain falls for 12.6 days. Throughout September, 37mm (1.46") of precipitation is accumulated. In Ruona, Sweden, during the entire year, the rain falls for 110.8 days and collects up to 408mm (16.06") of precipitation.

Snowfall

Months with snowfall are January through June, September through December. September is the first month it typically snows in Ruona. Throughout September, in the average 0.2 snowfall days, it receives 4mm (0.16") of snow. In Ruona, during the entire year, snow falls for 111.1 days, and aggregates up to 1297mm (51.06") of snow.

Daylight

In September, the average length of the day in Ruona, Sweden, is 13.1h.

Sunshine

The average sunshine in Ruona is 6.9h.

UV index

In Ruona, Sweden, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
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 average humidity in September in Ruona?

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

How many days does it rain in September in Ruona?

In Ruona, in September, it is raining for 12.6 days, with typically 37mm (1.46") of accumulated precipitation.

When does it start to snow in Ruona?

September is the first month it typically snows in Ruona, Sweden. Throughout September, in the average 0.2 snowfall days, it receives 4mm (0.16") of snow.

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

In Ruona, the average length of the day in September is 13.1h.

How long on average sun shines in September in Ruona?

In Ruona, Sweden, the average sunshine in September is 6.9h.

What is the UV index reading in September in Ruona?

In Ruona, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.

Average temperature in September
Ruona, Sweden

Average temperature in September - Ruona, Sweden
  • Average high temperature in September: 12.3°C

The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is January (-7.8°C).

  • Average low temperature in September: 5.8°C

The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (-13.2°C).

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Average pressure in September
Ruona, Sweden

Average pressure in September - Ruona, Sweden
  • Average pressure in September: 1010.7mbar

The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).

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Average wind speed in September
Ruona, Sweden

Average wind speed in September - Ruona, Sweden
  • Average wind speed in September: 10.2km/h

The windiest month (with the highest average wind speed) is March (11km/h).
The calmest month (with the lowest average wind speed) is April (9.5km/h).

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Average humidity in September
Ruona, Sweden

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

Months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (64%).

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Average rainfall in September
Ruona, Sweden

Average rainfall in September - Ruona, Sweden
  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is December (47mm).
The driest month (with the least rainfall) is April (22mm).

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Average rainfall days in September
Ruona, Sweden

Average rainfall days in September - Ruona, Sweden
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is February (2.6 days).

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Average snowfall in September
Ruona, Sweden

Average snowfall in September - Ruona, Sweden
  • Average snowfall in September: 4mm

The month with the highest snowfall is December (315mm).
Months with the least snowfall are July and August (0mm).

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Average snowfall days in September
Ruona, Sweden

Average snowfall days in September - Ruona, Sweden
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is December (19.5 days).
Months with the least snowfall days are July and August (0 days).

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

Average daylight in September / Average sunshine in September - Ruona, Sweden
  • Average daylight in September: 13.1h

The month with the longest days is June (Average daylight: 23.6h).
The month with the shortest days is December (Average daylight: 3h).

  • Average sunshine in September: 6.9h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 1.2h).

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Average sunshine days in September
Ruona, Sweden

Average sunshine days in September - Ruona, Sweden
  • Average sunshine days in September: 15 days

The month with the most sunshine days is August (16.1 days).
The month with the least sunshine days is April (8.8 days).

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Average UV index in September
Ruona, Sweden

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

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, March, October, November and December (UV index 1).

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Average cloud cover in September
Ruona, Sweden

Average cloud cover in September - Ruona, Sweden
  • Average cloud cover in September: 54

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 44).

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Average visibility in September
Ruona, Sweden

Average visibility in September - Ruona, Sweden
  • Average visibility in September: 8km

The month with the highest visibility is June (10km).
Months with the lowest visibility are January and February (5km).

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