September Weather in Vik, Norway

Last updated: August 27, 2025

In September, Vik, Norway experiences a captivating blend of mild temperatures and lush, rainy days. The maximum temperature can reach a comfortable 23°C (74°F), while the average hovers around 12°C (54°F), providing a pleasant atmosphere for outdoor enthusiasts. As the month progresses, temperatures dip to a minimum of 3°C (38°F), ushering in the crispness of autumn. Rainfall is a notable feature, with 102 mm (4.0 in) accumulated over 12 days, creating a refreshing and vibrant landscape. The humidity levels rise to 86%, enhancing the season's moody charm and inviting visitors to embrace the beauty of Vik's picturesque scenery.

September Temperature in Vik

As September arrives in Vik, Norway, the transition from summer warmth to autumn coolness becomes evident. With minimum temperatures hovering around 3°C (38°F) and an average of 12°C (54°F), the month offers a refreshing shift from the warmer days of August. The maximum temperature can still reach a pleasant 23°C (74°F), allowing for some mild and enjoyable days, perfect for outdoor adventures amidst stunning fall scenery. However, as the month progresses, temperatures start to dip, marking the onset of colder months ahead—an important trend to note for those planning a visit. Overall, September in Vik serves as a beautiful bridge between the vibrant warmth of summer and the crisp chill of autumn.

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

The chart illustrates September temperature patterns in Vik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vik, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec252732404959636054443627
Data source: Temperature data for Vik 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 Vik

As September rolls into Vik, Norway, the region experiences a notable uptick in precipitation, recording 102 mm (4.0 in), the highest for the month in comparison to the preceding summer. This increase mirrors the seasonal transition, as the number of rainy days swells to 12, contributing to a total wetness that sets the stage for the approaching autumn. Following the relatively dry spell of April and the moderate rains of late spring and early summer, September’s precipitation serves as a pivotal marker, hinting at the impending winter months. Indeed, this month marks a crucial shift, as the landscape prepares for the heavier downpours of October, which averages 125 mm (4.9 in), ushering in the wetter, cooler months ahead.

September Precipitation Trends in Vik

The chart displays monthly precipitation patterns in Vik, 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 Vik, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec576163388688949610212594102
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Vik

In September, humidity in Vik, Norway, experiences a notable uptick, reaching 86% after the summer months. This shift marks a transition from the more moderate levels observed in July and August—72% and 77% respectively—signaling the onset of autumn. The trend exhibits a gradual increase from the drier conditions of spring and early summer, where levels dip to their lowest at 71% in June and 73% in May. As the year progresses, humidity climbs back up, peaking again in the colder months of October through December, where it hovers around 92-94%. Thus, September serves as a bridge, hinting at the return of the crisp, damp air typical of Norway's later autumn.

September Average Humidity in Vik

This chart illustrates the average monthly humidity levels in Vik, 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 Vik is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%82%73%71%72%77%86%92%93%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Vik

As September rolls into Vik, Norway, the UV Index dips to 4, classifying it within the moderate exposure category. This marks a gentle decline from the peak summer months of July and August, where the index reached 7. With a burn time of about 30 minutes, it's essential to remain cautious while enjoying the fading warmth of early autumn. As the days grow shorter and the sunlight softens, September offers a pleasant respite, yet sun protection remains a priority, especially for those spending extended time outdoors. For more insights, visit Vik UV Index.

Maximum UV Index Levels in Vik for September

The chart shows the monthly maximum UV Index (UVI) for Vik 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 Vik typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Vik 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.

September Sunshine in Vik

September in Vik, Norway, offers a delightful transition from summer's long, sun-drenched days to the cooler embrace of autumn. With 263 hours of sunshine, it's a month that marks a noticeable shift in daylight, especially when compared to the summer months' peak, like July's 461 hours. As the bustling energy of summer begins to wane, September still retains a significant amount of sun, outshining the darker days of October and November, which see a drop to 208 and 125 hours respectively. This trend of gradually diminishing daylight invites both locals and visitors to savor the lingering warmth and spectacular landscapes, as Vik begins to don its autumnal colors, creating a picturesque backdrop for those seeking a serene getaway.

Monthly Sunshine Duration in Vik: September Highlighted

The September sunshine duration represents the total number of hours Vik experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec90h176h285h369h402h436h461h383h263h208h125h93h
Data source: Vik September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vik During September

In September, Vik, Norway tends to experience a moderate likelihood of sunny weather, with only 24% chance of sunshine. This marks a decline from the peak 55% in April, showcasing a noticeable trend as summer transitions into autumn. While the warmer months of May through August boast slightly higher probabilities for sunny days, September falls short, reflecting the approach of gloomy fall weather. The gradual decrease in sunlit days hints at the changing scenery, as the days shorten and temperatures dip. So, if you're planning a visit, be prepared for a mix of sun and clouds as the vibrant Norwegian landscape shifts into its autumn hues.

Percentage of Sunny Days in September in Vik

The chart illustrates the percentage of sunny days in Vik throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Vik experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%44%42%56%27%37%43%32%24%27%19%25%
Data source: Vik September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vik in September

In September, Vik, Norway, experiences a notable shift as daylight duration settles at 12 hours, marking a transition from the long, sun-drenched days of summer to the shorter, crisp days of autumn. Following the peak of 18 hours in June and a gradual decline through August, September's daylight offers a perfect balance for enjoying the waning warmth and vibrant fall colors. As the month progresses, daylight dwindles further, foreshadowing the cozy atmosphere of winter, where December brings only 5 hours of daylight. This ebb and flow of sunlight reflects the stunning cyclical beauty of Vik’s seasons, inviting both adventure and introspection.

Average Daylight Hours in Vik for September

The chart illustrates the variation in daylight duration in Vik throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 47m9h 8m11h 51m14h 38m17h 13m18h 43m17h 54m15h 30m12h 47m10h 3m7h 28m5h 58m
Data source: Vik daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Vik

As autumn approaches in Vik, Norway, the September winds bring a gentle shift with an average speed of 2.0 m/s (4 mph), maintaining the calmer patterns seen throughout the summer months. This slight dip from late summer's breezy 2.1 m/s in August leads into the more robust gusts of October, which pick up to 2.5 m/s (6 mph). The trend reveals that September acts as a transitional phase, where the wind begins to stir just enough to hint at the crispness of fall while still allowing for those pleasant, mild days. As the year progresses, Vik's winds generally fluctuate gently, but September's calm is a reminder of the fleeting warmth before winter sets in.

Average September Wind Speed in Vik

The chart displays monthly wind speed patterns in Vik, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.02.22.51.91.91.82.12.0 m/s2.52.11.9
Data source: Vik September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Vik Compares to Other Months

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

September and January present starkly contrasting weather conditions. In September, temperatures range from a mild 3°C (38°F) to a comfortable maximum of 23°C (74°F), with an average of 12°C (54°F). This month experiences significant rainfall, totaling 102 mm (4.0 in) over about 12 days, with humidity levels at a relatively high 86%. Conversely, January plunges into the depths of winter, with temperatures dropping dramatically to a minimum of -21°C (-5°F) and an average of -4°C (25°F), peaking at just 9°C (49°F). Precipitation is less frequent, totaling 57 mm (2.3 in) over 8 days, but the humidity is slightly higher at 94%. This dramatic shift from September's mildness to January's chill illustrates the seasonal extremes prevalent in this region. For more details about the weather in this area during January, check out Vik weather in January.

In September, the weather is pleasantly mild, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 23°C (74°F), making it ideal for outdoor activities. However, it experiences a fair amount of precipitation, totaling 102 mm (4.0 in) over about 12 days, along with a high humidity of 86%. In stark contrast, February brings much colder conditions, with average temperatures ranging from a chilly -22°C (-8°F) to a maximum of 9°C (48°F). Despite having lower precipitation at 61 mm (2.4 in) over approximately 10 days, February is marked by even higher humidity levels at 92%. For more details on the weather in February, you can check Vik weather in February.

September and March present contrasting weather conditions, each with its distinct characteristics. In September, temperatures typically range from a chilly 3°C (38°F) at night to a pleasant maximum of 23°C (74°F) during the day, with an average of 12°C (54°F). The month sees about 102 mm (4.0 in) of precipitation spread over 12 days, accompanied by relatively high humidity of 86%.

In contrast, March experiences much colder weather, with nighttime temperatures plunging to a low of -20°C (-3°F) and daytime highs reaching only 15°C (59°F), averaging around 0°C (32°F). Precipitation in March is lighter, totaling 63 mm (2.5 in) over 8 days, but the humidity is slightly higher at 89%.

These differences highlight the transition from the end of summer in September to the lingering chill of late winter in March. For more detailed weather insights for March, you can check this link: Vik weather in March.

In comparing the weather of September and April, we see notable differences in temperature and precipitation. September boasts a milder range with minimum temperatures around 3°C (38°F) and averages reaching 12°C (54°F), while April is colder, with minimum temperatures plummeting to -13°C (9°F) and an average of only 4°C (40°F). Although both months share a maximum temperature of 23°C (73°F), April experiences significantly less precipitation at just 38 mm (1.5 in) over 6 days compared to September's 102 mm (4.0 in) over 12 days. Humidity levels are relatively high in both months, with September at 86% and April slightly lower at 82%. For more details on April weather, you can check out Vik weather in April.

In comparing the weather of September and May, it's evident that September typically boasts milder temperatures, with an average of 12°C (54°F) and a maximum of 23°C (74°F). In contrast, May starts off cooler with a minimum temperature of -1°C (31°F) but can peak at a warm 28°C (83°F) on hotter days. While September experiences higher humidity at 86% and greater precipitation of 102 mm (4.0 in) over 12 days, May sees less rainfall at 86 mm (3.4 in) across a similar number of days with lower humidity at 73%. For more insights on May conditions, you can check Vik weather in May.

In comparing the weather between September and June, September typically presents cooler temperatures, with a minimum of 3°C (38°F), averaging 12°C (54°F), and reaching a maximum of 23°C (74°F). This month also experiences higher humidity at 86% and more significant precipitation, averaging 102 mm (4.0 in) over 12 days. Conversely, June tends to be warmer, with temperatures ranging from a minimum of 4°C (40°F) to an average of 15°C (59°F) and a peak of 28°C (82°F). The rainfall in June is slightly less at 88 mm (3.5 in), falling over 11 days, and the humidity is lower at 71%. For more detailed insights into June's weather in Vik, check out Vik weather in June.

In comparing the weather conditions of September and July, September tends to be cooler with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 23°C (74°F), while July enjoys warmer temperatures, with a minimum of 7°C (44°F) and a maximum of 30°C (87°F). Additionally, September experiences higher humidity at 86% compared to July's 72%, contributing to a more clammy feel during the former. While both months see similar levels of precipitation, September records slightly more with 102 mm (4.0 in) over 12 days, whereas July has 94 mm (3.7 in) over 11 days, making early autumn notably wetter. For a closer look at July's climate specifics, you can check Vik weather in July.

In comparison to August, September experiences cooler temperatures, with a minimum of 3°C (38°F) compared to August's 5°C (42°F) and an average temperature dropping from 16°C (61°F) to 12°C (54°F). The maximum temperature also reflects this shift, decreasing from 27°C (81°F) in August to 23°C (74°F) in September. Precipitation levels are slightly higher in September at 102 mm (4.0 in) over 12 days, whereas August had 96 mm (3.8 in) over 14 days. Additionally, September's humidity increases to 86%, compared to August's 77%, contributing to a noticeably different feel in the air. For more details on the August weather, check out Vik weather in August.

September and October showcase a notable shift in weather patterns. September boasts milder temperatures, with averages around 12°C (54°F) and maximums reaching 23°C (74°F), while the month sees a substantial amount of precipitation, totaling 102 mm (4.0 in) over about 12 days. In contrast, October's temperatures drop significantly, averaging 7°C (44°F) and peaking at 16°C (62°F), with minimums dipping to -3°C (26°F). Additionally, October experiences even higher rainfall, accumulating 125 mm (4.9 in) over 14 days, coupled with increased humidity at 92%. For more details on October weather in Vik, check out Vik weather in October.

September and November exhibit quite distinct weather patterns. In September, temperatures range from a mild 3°C (38°F) at night to a warm 23°C (74°F) during the day, with an average of 12°C (54°F). The month sees 102 mm (4.0 in) of precipitation over 12 days and a relatively high humidity level of 86%. In contrast, November ushers in much colder conditions, with temperatures dropping to a minimum of -9°C (15°F) and averaging just 2°C (36°F). Despite slightly less rainfall, at 94 mm (3.7 in) over the same number of days, November boasts higher humidity at 93%. For more details, check out Vik weather in November.

In September, temperatures are relatively mild, with minimums around 3°C (38°F) and maximums reaching 23°C (74°F), creating a comfortable climate for outdoor activities. The month experiences an average of 12°C (54°F) with precipitation occurring on 12 days, leading to a relatively high humidity of 86%. In contrast, December brings a stark change in weather, characterized by much colder temperatures, with minimums plunging to -15°C (5°F) and maximums only reaching 7°C (45°F). The average temperature drops to -3°C (27°F), and despite a similar amount of precipitation at 102 mm (4.0 in), it occurs over 15 days, resulting in a higher humidity of 93%. For those interested in more details about December weather, you can visit Vik weather in December.

Compare Vik's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Vik

As September unfolds in Vik, the weather begins to transition markedly from the warmth of summer to the crispness of autumn. With temperatures averaging around 12°C (54°F), the region experiences cooler days and notably chillier nights. This shift is complemented by a higher humidity of 86%, contributing to a brisk atmosphere that feels refreshingly invigorating. Rain is not uncommon, with 102 mm (4.0 in) of precipitation spread over 12 days, marking September as one of the wetter months. This blend of cool air and frequent showers sets the stage for the stunning fall foliage, making it a unique time to experience the beauty of Vik. For a more detailed understanding of the local climate, explore Vik Climate.