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September Weather in Bolungarvik, Iceland

Last updated: August 23, 2025

In Bolungarvik, Iceland, the average temperature in September hovers around 7°C (44°F), with minimums dipping to 1°C (34°F) and maximums reaching 13°C (55°F). Expect significant precipitation, averaging 167 mm (6.6 in) over approximately 21 days. Coupled with an average humidity of 91%, it's a month that promises a damp and chilly atmosphere.

September Temperature in Bolungarvik

In September in Bolungarvik, the average temperature is 7°C (44°F), with maximums reaching 13°C (55°F) and minimums dipping as low as 1°C (34°F). Be prepared for chilly weather and dress in layers if you're planning to travel during this time.

September Weather in Bolungarvik: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bolungarvik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bolungarvik, September typically has an average temperature of 7°C (44°F), with highs reaching up to 13°C (55°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec313231343843464744393533
Data source: Temperature data for Bolungarvik generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Bolungarvik

In Bolungarvik in September, the precipitation amount is 167 mm (6.6 in) over the course of 21 days.

September Precipitation Trends in Bolungarvik

The chart displays monthly precipitation patterns in Bolungarvik, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Bolungarvik, September typically receives around 167 mm (6.6 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec14013211311774688785167153130146
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bolungarvik

In Bolungarvik in September humidity is 91%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor travel uncomfortable and a bit dreary, as the air hangs heavy and cold around you.

September Average Humidity in Bolungarvik

This chart illustrates the average monthly humidity levels in Bolungarvik, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Bolungarvik is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%96%95%92%91%90%91%90%91%89%90%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bolungarvik

In Bolungarvik in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Bolungarvik, you can check the information here.

Maximum UV Index Levels in Bolungarvik for September

The chart shows the monthly maximum UV Index (UVI) for Bolungarvik in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Bolungarvik typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112355543211
Data source: Bolungarvik September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Bolungarvik Compares to Other Months

Weather in Bolungarvik varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bolungarvik, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Bolungarvik, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)140 mm (5.5 inches)95%low
February Weather0°C (32°F)132 mm (5.2 inches)96%low
March Weather0°C (32°F)113 mm (4.4 inches)95%low
April Weather1°C (34°F)117 mm (4.6 inches)92%moderate
May Weather3°C (38°F)74 mm (2.9 inches)91%moderate
June Weather6°C (43°F)68 mm (2.7 inches)90%moderate
July Weather8°C (47°F)87 mm (3.4 inches)91%moderate
August Weather8°C (47°F)85 mm (3.3 inches)90%moderate
September Weather7°C (44°F)167 mm (6.6 inches)91%moderate
October Weather4°C (40°F)153 mm (6.0 inches)89%low
November Weather2°C (35°F)129 mm (5.1 inches)90%low
December Weather1°C (33°F)146 mm (5.8 inches)91%low

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