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September Weather in Hellvik, Norway

Last updated: August 27, 2025

In September, the average temperature in Hellvik, Norway hovers around 13°C (55°F). However, temperatures can range from a chilly 5°C (41°F) to a pleasant 20°C (68°F). Expect wet weather, with 224 mm (8.8 in) of precipitation over approximately 18 days. Humidity levels are high, averaging around 90%, making for a damp yet intriguing atmosphere.

September Temperature in Hellvik

In September in Hellvik, the average temperature is 13°C (55°F). Maximums can reach 20°C (68°F), and minimums can drop as low as 5°C (41°F). This mild climate makes Hellvik an ideal destination for exploring outdoor activities while enjoying comfortable weather.

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

The chart illustrates September temperature patterns in Hellvik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hellvik, September typically has an average temperature of 13°C (55°F), with highs reaching up to 20°C (68°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec373638434956585955494339
Data source: Temperature data for Hellvik 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 Hellvik

In Hellvik in September, the total precipitation amount reaches 224 mm (8.8 in) over a span of 18 days.

September Precipitation Trends in Hellvik

The chart displays monthly precipitation patterns in Hellvik, 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 Hellvik, September typically receives around 224 mm (8.8 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1571641467085111130193224312232203
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hellvik

In Hellvik in September humidity is 90%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making every step feel more laborious and causing a sticky discomfort that can drain your energy quickly while exploring the sights.

September Average Humidity in Hellvik

This chart illustrates the average monthly humidity levels in Hellvik, 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 Hellvik is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%90%87%84%81%86%87%90%92%93%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hellvik

In Hellvik in September, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Hellvik for better planning.

Maximum UV Index Levels in Hellvik for September

The chart shows the monthly maximum UV Index (UVI) for Hellvik 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 Hellvik typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123467764211
Data source: Hellvik 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 Hellvik Compares to Other Months

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

This table compares monthly weather conditions in Hellvik, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)157 mm (6.2 inches)92%low
February Weather2°C (36°F)164 mm (6.4 inches)90%low
March Weather3°C (38°F)146 mm (5.7 inches)90%moderate
April Weather6°C (43°F)69 mm (2.7 inches)87%moderate
May Weather9°C (49°F)85 mm (3.3 inches)84%high
June Weather13°C (56°F)111 mm (4.4 inches)81%high
July Weather15°C (59°F)130 mm (5.1 inches)86%high
August Weather15°C (59°F)193 mm (7.6 inches)87%high
September Weather13°C (55°F)224 mm (8.8 inches)90%moderate
October Weather10°C (49°F)312 mm (12.3 inches)92%low
November Weather6°C (44°F)232 mm (9.1 inches)93%low
December Weather4°C (39°F)203 mm (8.0 inches)90%low

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