September weather forecast
Stora Sten, Sweden

Weather in September

The first month of the autumn, September, is still a mild month in Stora Sten, Sweden, with temperature in the range of an average high of 14.6°C (58.3°F) and an average low of 7.6°C (45.7°F).

Temperature

In September, the average high-temperature marginally drops, from an enjoyable 19.4°C (66.9°F) in August, to a moderate 14.6°C (58.3°F). In Stora Sten, the average low-temperature is 7.6°C (45.7°F).

Humidity

In September, the average relative humidity is 81%.

Rainfall

In Stora Sten, in September, during 14.1 rainfall days, 35mm (1.38") of precipitation is typically accumulated. In Stora Sten, Sweden, during the entire year, the rain falls for 147.3 days and collects up to 507mm (19.96") of precipitation.

Snowfall

In Stora Sten snow does not fall in June through September.

Daylight

In Stora Sten, the average length of the day in September is 12.8h.

Sunshine

The average sunshine in September is 7.1h.

UV index

In Stora Sten, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 3 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
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FAQ

What is the average humidity in September in Stora Sten?

The average relative humidity in September in Stora Sten is 81%.

How many days does it rain in September in Stora Sten?

In Stora Sten, in September, it is raining for 14.1 days, with typically 35mm (1.38") of accumulated precipitation.

When it does not snow in Stora Sten?

In Stora Sten snow does not fall in June through September.

Does it snow in Stora Sten in September?

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

What is the average length of the day in September in Stora Sten?

The average length of the day in September in Stora Sten, Sweden, is 12.8h.

How long on average sun shines in September in Stora Sten?

The average sunshine in September in Stora Sten is 7.1h.

What is the UV index reading in September in Stora Sten?

In Stora Sten, Sweden, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in September
Stora Sten, Sweden

Average temperature in September - Stora Sten, Sweden
  • Average high temperature in September: 14.6°C

The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in September: 7.6°C

The month with the highest average low temperature is July (11.5°C).
The coldest month (with the lowest average low temperature) is February (-6.2°C).

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Average pressure in September
Stora Sten, Sweden

Average pressure in September - Stora Sten, Sweden
  • Average pressure in September: 1013.1mbar

The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).

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Average wind speed in September
Stora Sten, Sweden

Average wind speed in September - Stora Sten, Sweden
  • Average wind speed in September: 11.3km/h

The windiest month (with the highest average wind speed) is December (12.4km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).

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Average humidity in September
Stora Sten, Sweden

Average humidity in September - Stora Sten, Sweden
  • Average humidity in September: 81%

Months with the highest relative humidity are January and February (92%).
Months with the lowest relative humidity are May and June (70%).

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Average rainfall in September
Stora Sten, Sweden

Average rainfall in September - Stora Sten, Sweden
  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is July (64mm).
The driest month (with the least rainfall) is April (24mm).

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Average rainfall days in September
Stora Sten, Sweden

Average rainfall days in September - Stora Sten, Sweden
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in September
Stora Sten, Sweden

Average snowfall in September - Stora Sten, Sweden
  • Average snowfall in September: 0mm

The month with the highest snowfall is March (199mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Stora Sten, Sweden

Average snowfall days in September - Stora Sten, Sweden
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (16.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Stora Sten, Sweden

Average daylight in September / Average sunshine in September - Stora Sten, Sweden
  • Average daylight in September: 12.8h

The month with the longest days is June (Average daylight: 18.7h).
The month with the shortest days is December (Average daylight: 6h).

  • Average sunshine in September: 7.1h

The month with the most sunshine is June (Average sunshine: 11.3h).
The month with the least sunshine is December (Average sunshine: 1.9h).

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Average sunshine days in September
Stora Sten, Sweden

Average sunshine days in September - Stora Sten, Sweden
  • Average sunshine days in September: 12.8 days

The month with the most sunshine days is April (15 days).
The month with the least sunshine days is August (9.3 days).

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Average UV index in September
Stora Sten, Sweden

Average UV index in September - Stora Sten, 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 and December (UV index 1).

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Average cloud cover in September
Stora Sten, Sweden

Average cloud cover in September - Stora Sten, Sweden
  • Average cloud cover in September: 53

The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is June (Cloud cover 47).

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Average visibility in September
Stora Sten, Sweden

Average visibility in September - Stora Sten, Sweden
  • Average visibility in September: 8km

Months with the highest visibility are April, May, June, July and August (9km).
Months with the lowest visibility are January and February (6km).

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