September Weather in Nesbyen, Norway

Last updated: August 27, 2025

September in Nesbyen, Norway offers a captivating transition into autumn, where the maximum temperatures reach a comfortable 22°C (71°F). The average temperature settles around 8°C (46°F), while chilly nights can dip as low as -2°C (29°F). With 105 mm (4.1 in) of rainfall over approximately 15 days, expect a rich tapestry of colors as the landscape transforms, despite the frequent showers. The air is often heavy with a humidity level of 92%, making for a lush and invigorating atmosphere as summer's warmth gives way to the crispness of fall.

September Temperature in Nesbyen

As September unfolds in Nesbyen, Norway, the transition from summer to autumn is palpable, with temperatures beginning to dip. Minimums hover around -2°C (29°F), indicating the first signs of chill, while the averages settle at a cool 8°C (46°F), providing a stark contrast to the warmer months preceding it. **Daytime highs reach a comfortable 22°C (71°F), allowing for lingering outdoor activities before the colder months take hold. Compared to the sweltering peaks of summer, September showcases a refreshing crispness that invites both locals and visitors to savor the changing landscape, where vibrant foliage begins to emerge against the backdrop of closing seasons. This month serves as a gentle reminder of the approaching winter, as nights grow longer and the air takes on a distinctive briskness.

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

The chart illustrates September temperature patterns in Nesbyen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nesbyen, 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).
JanFebMarAprMayJunJulAugSepOctNovDec212127344454565346372820
Data source: Temperature data for Nesbyen generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Nesbyen

In September, Nesbyen experiences substantial precipitation, with a total of 105 mm (or 4.1 in), making it one of the wettest months of the year. This volume of rain falls over 15 days, contributing to a gradual transition from the lush greenery of summer to the crispness of autumn. Notably, September's rainfall is slightly lower than the preceding months of July and August, which see peak precipitation of 107 mm and 110 mm respectively. However, when compared to the drier early months of the year, September retains a significant dampness that continues the trend of increasing precipitation as the seasons shift. With October anticipated to bring even more rainfall, the patterns reflect a clear seasonal shift towards wetter, colder weather in the region.

September Precipitation Trends in Nesbyen

The chart displays monthly precipitation patterns in Nesbyen, 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 Nesbyen, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec49495746791081071101051097788
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nesbyen

In September, humidity in Nesbyen, Norway rises slightly to 92%, reflecting the transition from the warmer summer months to the cooler autumn season. This increase follows a pattern of fluctuating humidity levels throughout the year, peaking in the winter with values reaching 99% in January and 97% in February. Interestingly, the onset of fall brings a gradual uptick after the summer months, where humidity hovered around 84% in July and 89% in August. As the lush greenery of summer gives way to the crisp air of autumn, the humidity remains relatively high, setting the stage for the changing landscape and hinting at the moisture-laden months ahead.

September Average Humidity in Nesbyen

This chart illustrates the average monthly humidity levels in Nesbyen, 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 Nesbyen is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%97%94%89%85%82%84%89%93%96%97%99%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nesbyen

As September rolls in, Nesbyen, Norway experiences a moderate UV Index of 4, indicating the sun's rays are becoming less intense than in the peak summer months. Following a vibrant summer with high index readings of 6 and 7 in May through July, the UV exposure shifts, offering a burn time of 30 minutes before protective measures are necessary. This gradual decline is ideal for outdoor enthusiasts to savor the crisp autumn air while remaining mindful of their sun exposure. With milder UV levels, September presents a perfect opportunity to enjoy the beautiful landscapes, making sure to keep a watchful eye on the sky. For more detailed information on the UV Index throughout the year, visit Nesbyen UV Index.

Maximum UV Index Levels in Nesbyen for September

The chart shows the monthly maximum UV Index (UVI) for Nesbyen 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 Nesbyen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123467754211
Data source: Nesbyen 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 Nesbyen

September in Nesbyen, Norway, enjoys a robust 253 hours of sunshine, a remarkable transition from the sun-drenched summer months. Following the peak of 462 hours in July, the light gently wanes as autumn approaches, marking a notable shift from the vibrant brightness of July and August's 384 hours. This gradual reduction signals the onset of cooler weather while still offering ample opportunities to bask in the lingering warmth of early fall. Although October dips further to 198 hours, September stands out as a beautiful bridge between summer's abundance and the winter's dimming light, inviting both residents and visitors to savor the last golden rays before they retreat behind the clouds.

Monthly Sunshine Duration in Nesbyen: September Highlighted

The September sunshine duration represents the total number of hours Nesbyen 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.
JanFebMarAprMayJunJulAugSepOctNovDec85h175h290h369h416h423h462h384h253h198h119h76h
Data source: Nesbyen September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nesbyen During September

In Nesbyen, Norway, the likelihood of sunny weather dips significantly in September, with only a 20% chance of sunshine. This marks a clear trend of diminishing sunlight as summer transitions into autumn, following the relatively higher probabilities seen in the months preceding it. Notably, April boasts the best prospects for sun at 52%, while July and August offer moderate chances before September ushers in cloudier skies. As the days grow shorter and cooler, the expectation for sunny weather in September becomes more subdued, hinting at the approaching embrace of fall.

Percentage of Sunny Days in September in Nesbyen

The chart illustrates the percentage of sunny days in Nesbyen 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 Nesbyen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%35%36%52%27%34%43%29%20%26%25%26%
Data source: Nesbyen September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nesbyen in September

As summer fades in Nesbyen, Norway, September marks a significant transition in daylight duration. With approximately 12 hours of daylight, the month reflects a gradual decline following the sun-drenched days of July and August, which bask in nearly 18 hours of light. This shift indicates the approach of autumn, with daylight decreasing more rapidly as the region prepares for the winter months ahead. By October, daylight diminishes further to 10 hours, highlighting just how dramatically the long, sunlit nights of summer give way to the crisper, shorter days of fall. The trend from vibrant summer to the cozy twilight of autumn paints a beautiful seasonal progression in this Norwegian village.

Average Daylight Hours in Nesbyen for September

The chart illustrates the variation in daylight duration in Nesbyen 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: Nesbyen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Nesbyen

In September, Nesbyen experiences a gentle average wind speed of 2.0 m/s (4 mph), maintaining a consistent breeze that hints at the transition into autumn. This month stands out as a slight uptick from the summer months, where winds lingered around 1.8 m/s to 2.0 m/s. Observing the broader trend throughout the year, there's a gradual increase in wind speeds as the seasons change; from the calm of 1.7 m/s in May to a modest rise by October, where it reaches 2.3 m/s (5 mph). This steady progression not only reflects the shifting weather patterns but also adds a refreshing touch to the crispness of the air, inviting residents and visitors alike to embrace the charm of early autumn in this beautiful Norwegian village.

Average September Wind Speed in Nesbyen

The chart displays monthly wind speed patterns in Nesbyen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.02.42.51.71.92.01.82.0 m/s2.32.12.1
Data source: Nesbyen September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Nesbyen Compares to Other Months

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

September and January showcase contrasting weather patterns. In September, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 22°C (71°F), with an average of 8°C (46°F). The month experiences 105 mm (4.1 in) of precipitation over about 15 days and a humidity level of 92%. In stark contrast, January's temperatures plummet significantly, with a minimum of -26°C (-15°F), an average of -6°C (21°F), and a maximum of just 7°C (44°F). This month sees less precipitation, totaling 49 mm (1.9 in) across roughly 10 days and an even higher humidity level of 99%. For more detailed weather insights, check out Nesbyen weather in January.

In September, temperatures range from a chilly -2°C (29°F) at night to a pleasant 22°C (71°F) during the day, with an average of 8°C (46°F). The month experiences significant rainfall, totaling 105 mm (4.1 in) over approximately 15 days, paired with high humidity levels at 92%. In contrast, February is much colder, with minimum temperatures dropping to -23°C (-10°F) and an average of -6°C (22°F). The maximum temperature barely reaches 7°C (45°F), and precipitation is lower at 49 mm (1.9 in) across around 10 days, along with even higher humidity at 97%. For more detailed information, you can check Nesbyen weather in February.

In September, the weather in Nesbyen is relatively mild, with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 22°C (71°F), and an average of 8°C (46°F). The month experiences about 105 mm (4.1 in) of precipitation over 15 days, contributing to a high humidity level of 92%. In contrast, March brings significantly colder temperatures, with a range from a minimum of -23°C (-9°F) to a maximum of 12°C (54°F) and an average temperature of -3°C (27°F). The precipitation in March is lower at 57 mm (2.3 in) over 10 days, though humidity remains quite high at 94%. For a closer look at the weather specifics for March, you can check Nesbyen weather in March.

September and April present distinct weather contrasts. In September, temperatures range from a chilly -2°C (29°F) at their lowest, with averages around 8°C (46°F) and highs reaching 22°C (71°F). This month typically experiences more precipitation, totaling 105 mm (4.1 inches) over about 15 days, accompanied by high humidity at 92%. In contrast, April features colder conditions overall, with minimum temperatures plummeting to -17°C (2°F) and an average of only 1°C (34°F). Highs in April can reach up to 19°C (67°F), but rainfall is significantly lower, averaging 46 mm (1.8 inches) across 9 days, resulting in a slightly reduced humidity of 89%. For a more detailed look at April's weather patterns, check this link: Nesbyen weather in April.

In comparing the weather of September and May, September exhibits a milder range of temperatures with a minimum of -2°C (29°F) and an average temperature of 8°C (46°F), peaking at 22°C (71°F). The month is relatively wet, receiving 105 mm (4.1 in) of precipitation over 15 days, coupled with high humidity levels of 92%. In contrast, May experiences slightly cooler temperatures, with a minimum of -10°C (14°F), an average of 7°C (44°F), and a maximum of 24°C (76°F). Precipitation in May is less, at 79 mm (3.1 in) across 12 days, accompanied by lower humidity at 85%. For a more detailed insight, check the Nesbyen weather in May.

In September, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 22°C (71°F), with an average of 8°C (46°F). The month is quite humid, with an average humidity of 92% and precipitation totaling 105 mm (4.1 in) over 15 days. In contrast, June offers milder conditions, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 26°C (79°F), averaging at 12°C (54°F). Although June sees slightly more precipitation at 108 mm (4.3 in) over 13 days, the humidity is lower at 82%. For a detailed breakdown of June weather, you can refer to Nesbyen weather in June.

In September, the weather in Nesbyen tends to be cooler and more variable compared to July. With temperatures ranging from a chilly minimum of -2°C (29°F) to a maximum of 22°C (71°F), the average temperature sits at 8°C (46°F). September also experiences higher humidity at 92%, alongside significant precipitation of 105 mm (4.1 in) over approximately 15 days. In contrast, July sees milder conditions, with temperatures varying from a minimum of 1°C (34°F) to a maximum of 27°C (81°F), averaging at 13°C (57°F). The summer month receives slightly more precipitation at 107 mm (4.2 in) over around 14 days, but with lower humidity at 84%. For more detailed insights on July weather, check Nesbyen weather in July.

In comparing the weather between August and September, September tends to be cooler with average temperatures ranging from -2°C (29°F) to 22°C (71°F), while August maintains a slightly warmer range of 1°C (34°F) to 24°C (76°F). Both months experience considerable precipitation, with September receiving 105 mm (4.1 in) over 15 days and August showing a slightly higher total of 110 mm (4.3 in) across 16 days. Humidity levels are also a touch higher in September at 92%, compared to August's 89%. For more detailed insights into August's weather, you can check out Nesbyen weather in August.

September and October showcase a notable shift in weather patterns. In September, temperatures range from a minimum of -2°C (29°F) to a maximum of 22°C (71°F), with an average of 8°C (46°F) and 105 mm of rainfall over 15 days at a humidity of 92%. In contrast, October experiences colder temperatures, with a minimum of -12°C (11°F) and a maximum of 15°C (60°F), averaging just 3°C (37°F). This month sees slightly higher precipitation at 109 mm, occurring over 18 days and accompanied by increased humidity at 96%. For a detailed look at October weather in this region, you can visit Nesbyen weather in October.

September and November present stark contrasts in weather conditions. In September, temperatures range from a minimum of -2°C (29°F) to a maximum of 22°C (71°F), with an average of 8°C (46°F). The month sees a total precipitation of 105 mm (4.1 in) over 15 days, and the humidity is relatively high at 92%. In contrast, November brings colder temperatures, with a minimum reaching -19°C (-1°F) and an average of -2°C (28°F), peaking at 10°C (50°F). This month experiences less precipitation, totaling 77 mm (3.0 in) over 13 days, alongside an even higher humidity level of 97%. For more details on the weather during this month, check out Nesbyen weather in November.

In September, the weather is relatively mild, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 22°C (71°F) and an average of 8°C (46°F). The month sees about 105 mm (4.1 in) of precipitation spread over 15 days, resulting in a humidity level of 92%. In contrast, December brings much colder conditions, with temperatures plummeting to a minimum of -27°C (-16°F) and peaking at only 5°C (42°F), averaging -6°C (21°F). Although December has slightly less precipitation at 88 mm (3.5 in) across 16 days, the humidity is higher at 99%, creating a noticeably chillier atmosphere. For a detailed look at the climate specifics during this winter month, check Nesbyen weather in December.

Compare Nesbyen's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Nesbyen

As September unfolds in Nesbyen, the weather shifts dramatically from the warm summer months, ushering in a crispness that signals the arrival of autumn. While temperatures can still peak at a comfortable 22°C, the average drops to a cool 8°C, with chilly nights dipping as low as -2°C. This month experiences a notable increase in precipitation, with about 105 mm falling over 15 days, contributing to the lush landscapes that define this time of year. The high humidity, hovering at an impressive 92%, enhances the fresh, invigorating feel of the air. For those looking to explore the beauty of Nesbyen during this transitional period, understanding the September climate is essential. For more detailed insights, check out Nesbyen Climate.