September Weather in Ulvik, Norway

Last updated: August 27, 2025

In Ulvik, Norway, September offers a transitional climate characterized by a maximum temperature reaching 19°C (67°F), while the average hovers around a brisk 7°C (45°F), dipping to a chilly -3°C (27°F) at night. This month faces significant rainfall, with 182 mm (7.2 in) of precipitation spread over 19 days, contributing to the region's picturesque landscapes. The air remains notably humid, with levels around 93%, enhancing the lush, vibrant scenery that September brings. Ideal for those who appreciate the beauty of nature in its dynamic change, this month in Ulvik showcases both the charm and challenges of a Nordic autumn.

September Temperature in Ulvik

As September unfolds in Ulvik, Norway, temperatures begin to transition from the warmth of summer to the crispness of autumn. With a minimum temperature dropping to -3°C (27°F) and a comfortable average of 7°C (45°F), the month signals the end of warmer days. Daytime highs can reach up to 19°C (67°F), offering a pleasant atmosphere for outdoor activities amid the changing foliage. This cooling pattern reveals a remarkable shift as the region prepares for the colder months, with September acting as a gentle bridge, transforming Ulvik into a serene landscape marked by early autumn colors and fresh, invigorating air.

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

The chart illustrates September temperature patterns in Ulvik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulvik, 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).
JanFebMarAprMayJunJulAugSepOctNovDec242226313950535145373025
Data source: Temperature data for Ulvik 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 Ulvik

September in Ulvik, Norway, marks a distinct uptick in precipitation, with an impressive 182 mm (7.2 in) of rainfall recorded over 19 days. This notable increase signifies the transition into the wetter months of autumn, highlighting a pattern where late summer's relative dryness gives way to early fall's abundant rainfall. Compared to its predecessors, September sees a considerable rise from August's 132 mm, foreshadowing the even heavier rains in October, which often exceeds 200 mm. This trend underscores Ulvik's reputation for significant monthly rainfall as the seasons shift, bringing refreshed greenery and dynamic landscapes that characterize the region’s stunning natural beauty.

September Precipitation Trends in Ulvik

The chart displays monthly precipitation patterns in Ulvik, 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 Ulvik, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec15113314910475117114132182203160182
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ulvik

In September, Ulvik, Norway experiences a notable shift in humidity, measured at 93%. This figure reflects a slight increase from the summer months of July and August, which saw humidity levels at 87% and 91% respectively. As autumn approaches, this uptick is part of a broader trend where humidity remains relatively high throughout the year, peaking in the winter months with January and February at nearly 98%. The gradual decline from early spring's 94% in March down to 83% in June indicates a seasonal ebb, but humidity soon rises again as nature prepares for the cooler seasons. This cyclical pattern illustrates Ulvik's unique climate, where the cozy embrace of moisture is a constant companion throughout the year.

September Average Humidity in Ulvik

This chart illustrates the average monthly humidity levels in Ulvik, 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 Ulvik is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%94%90%87%83%87%91%93%95%97%97%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ulvik

In September, Ulvik, Norway, experiences a UV Index of 4, indicating a moderate level of sun exposure. As summer fades, this month marks a notable transition, with the UV levels gradually decreasing from the heights of July and June, where the Index peaked at 7. With a burn time of just 30 minutes, it’s essential to remain vigilant when outdoors. While the sunlight may be less intense compared to earlier months, protective measures are still advisable to enjoy the beauty of Ulvik's autumnal scenery safely. For more detailed insights, visit the Ulvik UV Index.

Maximum UV Index Levels in Ulvik for September

The chart shows the monthly maximum UV Index (UVI) for Ulvik 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 Ulvik typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567754211
Data source: Ulvik 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 Ulvik

September in Ulvik, Norway, heralds the transition into autumn, showcasing a significant drop in sunshine hours compared to the lively summer months. With 242 hours of sunlight, September still enjoys the remnants of summer’s warmth, making it a delightful time for outdoor activities amidst the stunning fall foliage. This month marks a drastic decline from July’s peak of 433 hours and reflects a steady decrease in daylight as the year progresses. Following the vibrant exuberance of summer, September retains enough sunshine to invite adventure, yet subtly hints at the approaching coziness of shorter days ahead, fostering a sense of reflection and preparation for the winter chill.

Monthly Sunshine Duration in Ulvik: September Highlighted

The September sunshine duration represents the total number of hours Ulvik 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.
JanFebMarAprMayJunJulAugSepOctNovDec65h149h242h335h401h383h433h362h242h183h107h61h
Data source: Ulvik September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ulvik During September

In Ulvik, Norway, the likelihood of sunny weather takes a notable downturn in September, with only a 12% chance of sunshine. This decrease follows the summer months, where chances hover around 33-35%, and sharply contrasts with the more promising early spring days in April, which boast a 43% chance of sun. As the season transitions from August to September, the sunny days dwindle significantly, reflecting a trend that foreshadows the cooler, darker months ahead. With the unpredictable shifts in weather, September often brings a charming blend of early autumn's crisp air and the lingering warmth of late-summer sunlight, albeit with less frequent sunny spells.

Percentage of Sunny Days in September in Ulvik

The chart illustrates the percentage of sunny days in Ulvik 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 Ulvik experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%29%16%43%32%28%33%35%13%8%5%9%
Data source: Ulvik September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ulvik in September

As summer transitions to autumn in September, Ulvik, Norway experiences a noticeable shift in daylight, with hours tapering from the sun-drenched days of summer. The month boasts about 12 hours of daylight, a decrease from the vibrant 15 hours seen in August. This gradual decline sets the stage for the approaching winter months, where daylight diminishes further, dropping to just 10 hours in October and a mere 5 hours by December. The trend highlights the region's unique seasonal rhythm, where long summer evenings gracefully give way to the cozy, shorter days of autumn, allowing residents to savor the changing colors of nature before winter's embrace.

Average Daylight Hours in Ulvik for September

The chart illustrates the variation in daylight duration in Ulvik throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 39m9h 4m11h 51m14h 41m17h 20m18h 54m18h 3m15h 35m12h 48m10h7h 22m5h 49m
Data source: Ulvik daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ulvik

As September sweeps into Ulvik, Norway, the gentle caress of the wind offers a brief pause before autumn settles in. With an average wind speed of 1.8 m/s (4 mph), September mirrors the calmness of summer, maintaining a consistent breeze that is both refreshing and soothing. This trend of mild winds, ranging from a low of 1.6 m/s in the spring months to a slight increase in October, signifies a gradual shift in the seasons. Notably, despite the overall stability in wind speeds throughout the year, September stands out as a moment of transition, where the lingering warmth of summer meets the crisp promise of fall, inviting both reflection and anticipation.

Average September Wind Speed in Ulvik

The chart displays monthly wind speed patterns in Ulvik, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.82.01.61.61.61.61.91.81.8 m/s2.11.71.9
Data source: Ulvik September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ulvik Compares to Other Months

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

September and January present stark contrasts in weather. In September, temperatures range from a chilly -3°C (27°F) to a pleasant 19°C (67°F), with an average of 7°C (45°F). This month sees 182 mm (7.2 in) of precipitation spread across 19 days, accompanied by high humidity at 93%. In contrast, January features much colder conditions, with temperatures dipping as low as -23°C (-9°F) and peaking at only 4°C (39°F), resulting in an average temperature of -5°C (24°F). Although precipitation is slightly lower at 151 mm (5.9 in) over 17 days, the humidity rises to a remarkable 98%. For a closer look at January weather specifics, you can visit Ulvik weather in January.

September and February showcase stark contrasts in weather conditions. In September, temperatures typically range from a chilly -3°C (27°F) at night to a mild 19°C (67°F) during the day, with an average temperature of 7°C (45°F). The month experiences a significant amount of precipitation, totaling 182 mm (7.2 in) over 19 days, accompanied by a high humidity level of 93%. In contrast, February is markedly colder, with temperatures plunging to a minimum of -29°C (-19°F) and averaging -5°C (23°F), though it can occasionally reach 7°C (45°F) at its peak. February's precipitation is lower at 133 mm (5.2 in) over 16 days, with even higher humidity at 96%. For a closer look at the weather specific to this month, check out Ulvik weather in February.

In comparing the weather of September and March, we see notable differences in temperature and precipitation. September enjoys milder conditions, with an average temperature of 7°C (45°F), while March is significantly colder, averaging -3°C (26°F). The maximum temperatures in September reach up to 19°C (67°F), contrasting sharply with March's peak of just 6°C (44°F). Precipitation levels are fairly close, with September receiving 182 mm (7.2 in) over 19 days and March having slightly less at 149 mm (5.9 in) during the same number of days. Humidity remains high in both months, at 93% in September and 94% in March, creating a damp atmosphere. For a closer look at the specifics of March weather, check out this link: Ulvik weather in March.

In comparing the weather between September and April, there is a notable difference in temperatures and precipitation. September experiences milder temperatures with a minimum of -3°C (27°F) and an average of 7°C (45°F), while April sees much colder conditions, with a minimum of -21°C (-5°F) and an average of -1°C (31°F). Interestingly, both months have substantial precipitation; however, September is significantly wetter, recording 182 mm (7.2 in) over 19 days compared to April's 104 mm (4.1 in) over 15 days. Humidity levels are also high in both months, with September at 93% and April slightly lower at 89%. For more detailed insights into weather conditions in April, refer to Ulvik weather in April.

The weather in September is generally milder than in May, with average temperatures ranging from a low of -3°C (27°F) to a high of 19°C (67°F), while May experiences cooler temperatures, with a minimum of -9°C (16°F) and a maximum of 23°C (74°F). September is wetter as well, receiving about 182 mm (7.2 in) of precipitation over 19 days, compared to May's 75 mm (2.9 in) spread over 15 days. Additionally, humidity levels are higher in September at 93%, while May has a slightly lower humidity of 86%. For more detailed insights about May weather, check out Ulvik weather in May.

In September, the weather in Ulvik is notably cooler than in June, with average temperatures ranging from a chilly 7°C (45°F) to a maximum of 19°C (67°F), while June boasts higher averages of 10°C (50°F) to 23°C (73°F). Additionally, September experiences more rainfall, with 182 mm (7.2 in) of precipitation over 19 days compared to June's 117 mm (4.6 in) over 17 days. While both months have high humidity, September's 93% is slightly higher than June's 83%, contributing to a distinctively damp and cooler feel in early autumn. For more information about June weather in Ulvik, you can visit Ulvik weather in June.

When comparing September and July weather, notable differences emerge in temperature and precipitation. September experiences cooler temperatures with a minimum of -3°C (27°F) and an average of 7°C (45°F), while July boasts warmer conditions with a minimum of 0°C (32°F) and an average of 12°C (54°F). The maximum temperature in July reaches up to 27°C (80°F), significantly higher than September's maximum of 19°C (67°F). Additionally, September is wetter, with 182 mm (7.2 in) of precipitation over 19 days, compared to July's 114 mm (4.5 in) over 16 days. Humidity is also higher in September at 93%, contrasting with July's 87%. For a detailed look at July weather in Ulvik, visit Ulvik weather in July.

In comparing the weather between September and August, we can see notable differences. September tends to be cooler, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 19°C (67°F), resulting in an average of 7°C (45°F). In contrast, August enjoys milder conditions, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 22°C (72°F) and an average of 11°C (51°F). Additionally, September experiences more precipitation at 182 mm (7.2 in) over 19 days, compared to August's 132 mm (5.2 in) over the same number of days. Humidity levels are slightly higher in September at 93%, compared to 91% in August. For more detailed information about August weather, you can check Ulvik weather in August.

September typically features milder temperatures, with an average of 7°C (45°F) and daytime highs reaching 19°C (67°F), making it a comfortable early autumn month. However, it also experiences significant rainfall, totaling 182 mm (7.2 in) over 19 days, coupled with high humidity levels at 93%. In contrast, October brings cooler temperatures, including a lower average of 3°C (37°F) and maximums peaking at 14°C (58°F). This month sees even more precipitation, measuring 203 mm (8.0 in) across 23 days, with humidity rising slightly to 95%. For more in-depth information about the weather in October, you can visit Ulvik weather in October.

In comparing the weather statistics for September and November, there is a notable shift in temperature and conditions. September experiences a milder climate with an average temperature of 7°C (45°F), ranging from a minimum of -3°C (27°F) to a maximum of 19°C (67°F). This month is characterized by higher precipitation, totaling 182 mm (7.2 inches) over 19 days, accompanied by a humidity level of 93%.

In contrast, November brings significantly colder weather, with an average temperature dropping to -1°C (30°F), and lows reaching -21°C (-5°F), while the maximum temperature is capped at 8°C (46°F). Precipitation is slightly lower at 160 mm (6.3 inches), spread across 17 days, but the humidity is even higher at 97%. For more details on the specific weather in November, you can check Ulvik weather in November.

In comparing the weather of September and December, a stark contrast can be observed in both temperature and general conditions. September typically sees milder temperatures, with a minimum of -3°C (27°F), an average of 7°C (45°F), and a maximum of 19°C (67°F), allowing for more comfortable outdoor activities. In contrast, December experiences much colder temperatures, with a minimum of -19°C (-2°F), an average of -4°C (26°F), and a maximum of 5°C (41°F), making it a much harsher month weather-wise.

Precipitation levels are similar between the two months, each recording around 182 mm (7.2 in), but December has slightly more rainy or snowy days, totaling 21 days compared to September's 19 days. Additionally, humidity is higher in December at 97%, compared to 93% in September, contributing to the chilly feel of the winter month. For a more detailed look at December weather in a specific location, check out Ulvik weather in December.

Compare Ulvik's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Ulvik

September in Ulvik presents a unique transition into autumn, characterized by cooler temperatures and increased precipitation compared to the summer months. With an average temperature dipping significantly, the crisp air signals the arrival of fall, while the high humidity levels create a distinct, refreshing atmosphere. This month is marked by nearly two-thirds of the days experiencing rain, contributing to a total precipitation that is among the highest in the year. As nature begins to change its palette, September invites visitors to appreciate Ulvik’s serene landscape bathed in soft autumn hues. For a deeper insight into the climate, visit Ulvik Climate.