September weather forecast and climate
Slut, Sweden

Weather in September

The first month of the autumn, September, is still a mild month in Slut, Sweden, with average temperature varying between 7.4°C (45.3°F) and 13.3°C (55.9°F).

Temperature

In Slut, the average high-temperature in September marginally drops, from a comfortable 18.2°C (64.8°F) in August, to a moderate 13.3°C (55.9°F). The average low-temperature, in Slut, is 7.4°C (45.3°F).

Humidity

In Slut, the average relative humidity is 79%.

Rainfall

In September, the rain falls for 10.8 days. Throughout September, 20mm (0.79") of precipitation is accumulated. Throughout the year, there are 99.9 rainfall days, and 252mm (9.92") of precipitation is accumulated.

Snowfall

In Slut snow does not fall in June through September.

Daylight

The average length of the day in Slut is 13h.

Sunshine

The average sunshine in September is 7.6h.

UV index

In September, the average daily maximum UV index in Slut is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for average individuals.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. 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 Slut?

In Slut, the average relative humidity in September is 79%.

How much does it rain in Slut in September?

In Slut, in September, it is raining for 10.8 days, with typically 20mm (0.79") of accumulated precipitation.

When it does not snow in Slut?

June through September are months without snowfall in Slut, Sweden.

Does it snow in Slut in September?

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

How many hours of daylight does Slut have in September?

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

How many hours of sunshine does Slut have in September?

In September, the average sunshine in Slut is 7.6h.

What is the UV index reading in September in Slut?

In September, the average daily maximum UV index in Slut, Sweden, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in September
Slut, Sweden

Average temperature in September - Slut, Sweden
  • Average high temperature in September: 13.3°C

The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is January (-4.8°C).

  • Average low temperature in September: 7.4°C

The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is February (-9.3°C).

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Average pressure in September
Slut, Sweden

Average pressure in September - Slut, Sweden
  • Average pressure in September: 1011.2mbar

The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1005mbar).

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Average wind speed in September
Slut, Sweden

Average wind speed in September - Slut, Sweden
  • Average wind speed in September: 12.6km/h

The windiest month (with the highest average wind speed) is December (14.6km/h).
The calmest month (with the lowest average wind speed) is July (11.2km/h).

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Average humidity in September
Slut, Sweden

Average humidity in September - Slut, Sweden
  • Average humidity in September: 79%

Months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is June (65%).

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Average rainfall in September
Slut, Sweden

Average rainfall in September - Slut, Sweden
  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is July (30mm).
The driest month (with the least rainfall) is February (14mm).

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Average rainfall days in September
Slut, Sweden

Average rainfall days in September - Slut, Sweden
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is July (11.9 days).
The month with the least rainy days is January (3 days).

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Average snowfall in September
Slut, Sweden

Average snowfall in September - Slut, Sweden
  • Average snowfall in September: 0mm

Months with the highest snowfall are January and March (107mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Slut, Sweden

Average snowfall days in September - Slut, Sweden
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (15.2 days).
Months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 21.4h).
The month with the shortest days is December (Average daylight: 4h).

  • Average sunshine in September: 7.6h

The month with the most sunshine is July (Average sunshine: 12.8h).
The month with the least sunshine is December (Average sunshine: 1.4h).

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Average sunshine days in September
Slut, Sweden

Average sunshine days in September - Slut, Sweden
  • Average sunshine days in September: 17.1 days

Months with the most sunshine days are June and October (17.8 days).
The month with the least sunshine days is December (12.9 days).

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Average UV index in September
Slut, Sweden

Average UV index in September - Slut, Sweden
  • Average UV index in September: 3

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in September
Slut, Sweden

Average cloud cover in September - Slut, Sweden
  • Average cloud cover in September: 46

The month with the most cloud cover is January (Cloud cover 66).
Months with the least cloud cover are July and August (Cloud cover 40).

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Average visibility in September
Slut, Sweden

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

The month with the highest visibility is June (10km).
Months with the lowest visibility are January, February and March (7km).

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