September weather forecast
Bolungarvik, Iceland

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Weather in September

As Bolungarvik transitions from summer to autumn in September, there is a sharp drop in temperatures compared to August. The rainfall intensifies, and the influx of stronger winds signifies the arrival of autumn weather. The daylight hours are fewer, resulting in shorter days and the return of a chill in the air. The snowfall reappears but in a limited quantity of 12mm (0.47"), signaling the nearing winter season. The changing colours of the vegetation create an impressive backdrop to the city's landscape.

Temperature

The arrival of September sees a recorded average high-temperature of a still frosty 7.2°C (45°F), showing little divergence from the previous month's conditions. September's average low temperature is an icy 4.7°C (40.5°F), displaying a subtle drop from its daily peak.

Humidity

January, February, August through October, with an average relative humidity of 85%, are the most humid months.

Rainfall

In September, in Bolungarvik, the rain falls for 21.7 days. Throughout September, 75mm (2.95") of precipitation is accumulated. Throughout the year, in Bolungarvik, there are 169 rainfall days, and 830mm (32.68") of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall in Bolungarvik, Iceland. September is the first month it typically snows in Bolungarvik. Throughout September, in the average 1.7 snowfall days, it receives 12mm (0.47") of snow. In Bolungarvik, during the entire year, snow falls for 95.9 days and aggregates up to 999mm (39.33") of snow.

Daylight

The average length of the day in September is 13h and 6min.
On the first day of the month, sunrise is at 06:10 and sunset at 20:55. On the last day of September, in Bolungarvik, sunrise is at 07:42 and sunset at 19:02 GMT.

Sunshine

In September, the average sunshine in Bolungarvik is 4h.

UV index

The average daily maximum UV index in September in Bolungarvik is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, a regular UV index of 2 translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What are September temperatures in Bolungarvik?

The average high-temperature and low-temperature in Bolungarvik, Iceland, during September are 7.2°C (45°F) and 4.7°C (40.5°F) respectively.

What is the most humid month in Bolungarvik?

January, February, August through October, with an average relative humidity of 85%, are most humid months in Bolungarvik.

What is the average humidity in September in Bolungarvik?

In September, the average relative humidity in Bolungarvik, Iceland, is 85%.

How much does it rain in Bolungarvik in September?

In Bolungarvik, in September, during 21.7 rainfall days, 75mm (2.95") of precipitation is typically accumulated.

When does it start to snow in Bolungarvik?

September is the first month it typically snows in Bolungarvik, Iceland. Throughout September, in the average 1.7 snowfall days, it receives 12mm (0.47") of snow.

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

In September, the average day length is 13h and 6min.

When are sunrise and sunset in September in Bolungarvik?

On the first day of September in Bolungarvik, sunrise is at 06:10 and sunset at 20:55. On the last day of the month, sunrise is at 07:42 and sunset at 19:02 GMT.

How long on average sun shines in September in Bolungarvik?

The average sunshine duration in September in Bolungarvik, Iceland, is 4h.

How high is the UV index in September in Bolungarvik?

In Bolungarvik, Iceland, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bolungarvik, Iceland

Average temperature in September - Bolungarvik, Iceland
  • Average high temperature in September: 7.2°C

The warmest month (with the highest average high temperature) is July (9.5°C).
The month with the lowest average high temperature is March (-0.2°C).

  • Average low temperature in September: 4.7°C

The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is March (-3°C).

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Average pressure in September
Bolungarvik, Iceland

Average pressure in September - Bolungarvik, Iceland
  • Average pressure in September: 1003.4mbar

The month with the highest atmospheric pressure is June (1014.8mbar).
The month with the lowest atmospheric pressure is January (997.4mbar).

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Average wind speed in September
Bolungarvik, Iceland

Average wind speed in September - Bolungarvik, Iceland
  • Average wind speed in September: 20.2km/h

The windiest month (with the highest average wind speed) is December (29.6km/h).
The calmest month (with the lowest average wind speed) is June (15.7km/h).

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Average humidity in September
Bolungarvik, Iceland

Average humidity in September - Bolungarvik, Iceland
  • Average humidity in September: 85%

The months with the highest relative humidity are January, February, August, September and October (85%).
The months with the lowest relative humidity are May and June (82%).

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Average rainfall in September
Bolungarvik, Iceland

Average rainfall in September - Bolungarvik, Iceland
  • Average rainfall in September: 75mm

The wettest month (with the highest rainfall) is January (101mm).
The driest month (with the least rainfall) is June (34mm).

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Average rainfall days in September
Bolungarvik, Iceland

Average rainfall days in September - Bolungarvik, Iceland
  • Average rainfall days in September: 21.7 days

The month with the highest number of rainy days is September (21.7 days).
The month with the least rainy days is February (8.5 days).

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Average snowfall in September
Bolungarvik, Iceland

Average snowfall in September - Bolungarvik, Iceland
  • Average snowfall in September: 12mm

The month with the highest snowfall is March (203mm).
The months with the least snowfall are July and August (0mm).

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Average snowfall days in September
Bolungarvik, Iceland

Average snowfall days in September - Bolungarvik, Iceland
  • Average snowfall days in September: 1.7 days

The month with the highest number of snowfall days is March (18 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in September /
Average sunshine in September
Bolungarvik, Iceland

Average daylight in September / Average sunshine in September - Bolungarvik, Iceland
  • Average daylight in September: 13h and 1min

The month with the longest days is July (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 3h and 0min).

  • Average sunshine in September: 4h and 0min

The month with the most sunshine is August (Average sunshine: 6h and 30min).
The month with the least sunshine is June (Average sunshine: 0h and 24min).

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Average sunshine days in September
Bolungarvik, Iceland

Average sunshine days in September - Bolungarvik, Iceland
  • Average sunshine days in September: 5.9 days

The month with the most sunshine days is June (13.9 days).
The month with the least sunshine days is March (3.5 days).

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Average UV index in September
Bolungarvik, Iceland

Average UV index in September - Bolungarvik, Iceland
  • Average UV index in September: 2

The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).

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Average cloud cover in September
Bolungarvik, Iceland

Average cloud cover in September - Bolungarvik, Iceland
  • Average cloud cover in September: 70

The month with the most cloud cover is March (Cloud cover 79).
The month with the least cloud cover is June (Cloud cover 61).

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Average visibility in September
Bolungarvik, Iceland

Average visibility in September - Bolungarvik, Iceland
  • Average visibility in September: 9km

The months with the highest visibility are May, June, July, August and September (9km).
The month with the lowest visibility is March (7km).

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Bolungarvik, Iceland

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