September weather forecast and climate
Ultervik, Sweden

Weather in September

September, the first month of the autumn, in Ultervik, is also a moderate month, with average temperature varying between 8.4°C (47.1°F) and 13.3°C (55.9°F).

Temperature

In September, the average high-temperature marginally drops, from a comfortable 17.4°C (63.3°F) in August, to a mild 13.3°C (55.9°F). The average low-temperature, in September, is 8.4°C (47.1°F).

Humidity

In September, the average relative humidity in Ultervik, Sweden, is 80%.

Rainfall

In September, the rain falls for 13.7 days. Throughout September, 33mm (1.3") of precipitation is accumulated. Throughout the year, in Ultervik, there are 126.6 rainfall days, and 418mm (16.46") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Ultervik.

Daylight

The average length of the day is 13h.

Sunshine

The average sunshine is 7.7h.

UV index

In Ultervik, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays 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 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 temperature in September in Ultervik?

The average high-temperature, in September, is 13.3°C (55.9°F), while the average low-temperature is 8.4°C (47.1°F).

What is the average humidity in September in Ultervik?

In September, the average relative humidity in Ultervik, Sweden, is 80%.

How many days does it rain in September in Ultervik?

In Ultervik, in September, during 13.7 rainfall days, 33mm (1.3") of precipitation is typically accumulated.

Does it snow in Ultervik in September?

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

When it does not snow in Ultervik?

In Ultervik snow does not fall in June through September.

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

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

How many hours of sunshine does Ultervik have in September?

In Ultervik, the average sunshine in September is 7.7h.

What is the UV index reading in September in Ultervik?

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in September
Ultervik, Sweden

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

The warmest month (with the highest average high temperature) is July (18.4°C).
Months with the lowest average high temperature are January and February (-3.5°C).

  • Average low temperature in September: 8.4°C

The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-7.6°C).

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Average pressure in September
Ultervik, Sweden

Average pressure in September - Ultervik, Sweden
  • Average pressure in September: 1011.5mbar

The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.3mbar).

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Average wind speed in September
Ultervik, Sweden

Average wind speed in September - Ultervik, Sweden
  • Average wind speed in September: 14.9km/h

The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).

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Average humidity in September
Ultervik, Sweden

Average humidity in September - Ultervik, Sweden
  • Average humidity in September: 80%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (70%).

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Average rainfall in September
Ultervik, Sweden

Average rainfall in September - Ultervik, Sweden
  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (22mm).

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Average rainfall days in September
Ultervik, Sweden

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

Months with the highest number of rainy days are July and August (14 days).
The month with the least rainy days is February (4.2 days).

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Average snowfall in September
Ultervik, Sweden

Average snowfall in September - Ultervik, 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
Ultervik, Sweden

Average snowfall days in September - Ultervik, Sweden
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17.4 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
Ultervik, Sweden

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

The month with the longest days is June (Average daylight: 20.6h).
The month with the shortest days is December (Average daylight: 4.6h).

  • Average sunshine in September: 7.7h

The month with the most sunshine is June (Average sunshine: 13h).
The month with the least sunshine is December (Average sunshine: 1.5h).

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Average sunshine days in September
Ultervik, Sweden

Average sunshine days in September - Ultervik, Sweden
  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is June (15.7 days).
The month with the least sunshine days is November (10.1 days).

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Average UV index in September
Ultervik, Sweden

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

The month with the highest UV index is 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
Ultervik, Sweden

Average cloud cover in September - Ultervik, Sweden
  • Average cloud cover in September: 45

The month with the most cloud cover is January (Cloud cover 66).
Months with the least cloud cover are July and August (Cloud cover 38).

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Average visibility in September
Ultervik, Sweden

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

Months with the highest visibility are June, July and August (10km).
Months with the lowest visibility are January, February and March (8km).

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