September weather forecast and climate
Ursviken, Sweden

Weather in September

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

Temperature

In Ursviken, the average high-temperature slightly decreases, from an enjoyable 18.2°C (64.8°F) in August, to a mild 13.3°C (55.9°F). The average low-temperature, in Ursviken, is 7.4°C (45.3°F).

Humidity

In Ursviken, the average relative humidity is 79%.

Rainfall

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

Snowfall

June through September are months without snowfall.

Sea temperature

In Ursviken, Sweden, the average seawater temperature in September is 11.8°C (53.2°F).
Note: Swimming in 11.8°C (53.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

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

Sunshine

The average sunshine in Ursviken, Sweden, is 7.6h.

UV index

In September, the average daily maximum UV index in Ursviken is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's 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 the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Ursviken?

In Ursviken, in September, the average high-temperature is 13.3°C (55.9°F), and the average low-temperature is 7.4°C (45.3°F).

What is the average humidity in September in Ursviken?

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

How many days does it rain in September in Ursviken?

In Ursviken, Sweden, during September, the rain falls for 10.8 days and regularly aggregates up to 20mm (0.79") of precipitation.

Does it snow in Ursviken in September?

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

When it does not snow in Ursviken?

In Ursviken snow does not fall in June through September.

How cold is the water in September in Ursviken?

In Ursviken, Sweden, the average seawater temperature in September is 11.8°C (53.2°F). Swimming in 11.8°C (53.2°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

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

How long on average sun shines in September in Ursviken?

In September, the average sunshine is 7.6h.

How high is the UV index in September in Ursviken?

The average daily maximum UV index in September in Ursviken is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in September
Ursviken, Sweden

Average temperature in September - Ursviken, 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
Ursviken, Sweden

Average pressure in September - Ursviken, 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
Ursviken, Sweden

Average wind speed in September - Ursviken, 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
Ursviken, Sweden

Average humidity in September - Ursviken, 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
Ursviken, Sweden

Average rainfall in September - Ursviken, 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
Ursviken, Sweden

Average rainfall days in September - Ursviken, 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
Ursviken, Sweden

Average snowfall in September - Ursviken, 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
Ursviken, Sweden

Average snowfall days in September - Ursviken, 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 sea temperature in September
Ursviken, Sweden

Average sea temperature in September - Ursviken, Sweden
  • Average sea temperature in September: 11.8°C

The best month for swimming (with the highest average sea temperature) is August (15.8°C).
The coldest month (with the lowest average sea temperature) is February (0°C).

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

Average daylight in September / Average sunshine in September - Ursviken, 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: 4.1h).

  • 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
Ursviken, Sweden

Average sunshine days in September - Ursviken, 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
Ursviken, Sweden

Average UV index in September - Ursviken, 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
Ursviken, Sweden

Average cloud cover in September - Ursviken, 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
Ursviken, Sweden

Average visibility in September - Ursviken, 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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