September weather forecast
Björkvik, Sweden

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Weather in September

September, the first month of the autumn in Björkvik, is still a refreshing month, with an average temperature ranging between min 8.8°C (47.8°F) and max 16.5°C (61.7°F).

Temperature

As September begins, there is a minor decrease in the average high-temperature, softly falling from an agreeable 21.3°C (70.3°F) in August to a refreshing 16.5°C (61.7°F). Björkvik observes an average nighttime temperature of 8.8°C (47.8°F) during September.

Humidity

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

Rainfall

In September, in Björkvik, the rain falls for 13.4 days. Throughout September, 30mm (1.18") of precipitation is accumulated. In Björkvik, during the entire year, the rain falls for 148.4 days and collects up to 427mm (16.81") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Björkvik, Sweden, is 12h and 50min.
On the first day of September, sunrise is at 05:53 and sunset at 19:54. On the last day of the month, sunrise is at 06:57 and sunset at 18:29 CEST.

Sunshine

The average sunshine in September in Björkvik is 7.7h.

UV index

The average daily maximum UV index in September in Björkvik is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 3 in September leads to these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

What are the temperatures in Björkvik in September?

The high-temperature, in September, in Björkvik, is 16.5°C (61.7°F), while the low-temperature averages to 8.8°C (47.8°F).

What is the average humidity in September in Björkvik?

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

How much does it rain in Björkvik in September?

In Björkvik, Sweden, during September, the rain falls for 13.4 days and regularly aggregates up to 30mm (1.18") of precipitation.

When it does not snow in Björkvik?

In Björkvik, snow does not fall in June through September.

Does it snow in Björkvik in September?

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

How many hours of daylight does Björkvik have in September?

The average day length in September in Björkvik is 12h and 50min.

When is the sunrise / sunset in September in Björkvik?

On the first day of September in Björkvik, Sweden, sunrise is at 05:53 and sunset at 19:54. On the last day of the month, sunrise is at 06:57 and sunset at 18:29 CEST.

How long on average sun shines in September in Björkvik?

In Björkvik, the average sunshine duration in September is 7.7h.

How high is the UV index in September in Björkvik?

In Björkvik, Sweden, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Björkvik, Sweden

Average temperature in September - Björkvik, Sweden
  • Average high temperature in September: 16.5°C

The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in September: 8.8°C

The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).

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Average pressure in September
Björkvik, Sweden

Average pressure in September - Björkvik, Sweden
  • Average pressure in September: 1013.6mbar

The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).

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Average wind speed in September
Björkvik, Sweden

Average wind speed in September - Björkvik, Sweden
  • Average wind speed in September: 12km/h

The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).

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Average humidity in September
Björkvik, Sweden

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

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are May and June (69%).

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Average rainfall in September
Björkvik, Sweden

Average rainfall in September - Björkvik, Sweden
  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is July (63mm).
The driest month (with the least rainfall) is April (20mm).

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Average rainfall days in September
Björkvik, Sweden

Average rainfall days in September - Björkvik, Sweden
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in September
Björkvik, Sweden

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

The month with the highest snowfall is February (123mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Björkvik, Sweden

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

The month with the highest number of snowfall days is January (13.7 days).
The 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
Björkvik, Sweden

Average daylight in September / Average sunshine in September - Björkvik, Sweden
  • Average daylight in September: 12h and 5min

The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).

  • Average sunshine in September: 7h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).

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Average sunshine days in September
Björkvik, Sweden

Average sunshine days in September - Björkvik, Sweden
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is July (10.3 days).

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Average UV index in September
Björkvik, Sweden

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

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in September
Björkvik, Sweden

Average cloud cover in September - Björkvik, Sweden
  • Average cloud cover in September: 49

The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is June (Cloud cover 43).

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Average visibility in September
Björkvik, Sweden

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

The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January and February (7km).

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Björkvik, Sweden

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