September Weather in Norheimsund, Norway

Last updated: August 27, 2025

In September, Norheimsund, Norway, experiences a dynamic blend of weather patterns, marked by a maximum temperature reaching 21°C (70°F), while the average hovers around 10°C (50°F), and nocturnal chills can dip as low as 1°C (35°F). Rain is a frequent visitor, with 292 mm (11.5 in) of precipitation spread across 19 days, creating a damp, yet invigorating atmosphere. The humidity often peaks at a notable 93%, contributing to a lush, vibrant landscape as autumn begins to take hold. Whether you're a local or a traveler, September in Norheimsund offers a captivating blend of cool temperatures and scenic beauty, perfect for embracing the changing season.

September Temperature in Norheimsund

As September unfolds in Norheimsund, temperatures begin to shift noticeably, marking the transition from summer's warmth to the crispness of autumn. With minimums averaging around 1°C (35°F) and averages reaching 10°C (50°F), the air carries a refreshing chill compared to the preceding summer months. The maximum temperatures can still flirt with a pleasant 21°C (70°F), allowing for lovely days outdoors amidst the changing foliage. This month serves as a reminder of nature's cycle, offering a perfect balance between lingering warmth and the cool embrace of fall, making it an ideal time for exploring the stunning landscapes of this Norwegian gem.

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

The chart illustrates September temperature patterns in Norheimsund, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Norheimsund, 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).
JanFebMarAprMayJunJulAugSepOctNovDec282731374555575550423529
Data source: Temperature data for Norheimsund 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 Norheimsund

September marks a significant uptick in precipitation in Norheimsund, Norway, with 292 mm (11.5 in) of rainfall recorded, making it the wettest month of the year. This surge in precipitation reflects a noticeable trend as the region transitions from summer to autumn, following a relatively drier August that saw 226 mm (8.9 in). With 19 days of rain in September, the month sustains a similar frequency of rainy days as seen in July and August, but with a much higher cumulative total. This pattern hints at the looming arrival of the wetter months ahead, as October further escalates the rainfall to 316 mm (12.4 in), establishing a clear seasonal rhythm where early autumn brings intense moisture to Norheimsund.

September Precipitation Trends in Norheimsund

The chart displays monthly precipitation patterns in Norheimsund, 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 Norheimsund, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec218214224148106190206227292316237253
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Norheimsund

In Norheimsund, Norway, September marks a noticeable shift in humidity, with levels settling at 93%. This slight increase from the summer's 91% indicates the onset of autumn, characterized by cooler temperatures and the gradual transition of the season. The trend shows humidity levels rising again as the year progresses, following a dip during the warmer months of June (83%) and May (86%). As the region braces for the approaching winter, humidity levels are expected to climb back toward winter highs, reminiscent of the near-saturated conditions experienced in January and February, which hover around a remarkable 98% and 96%. This journey through humidity levels beautifully illustrates the cyclical nature of Norheimsund's climate, where summer's warmth yields to autumn's embrace.

September Average Humidity in Norheimsund

This chart illustrates the average monthly humidity levels in Norheimsund, 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 Norheimsund 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 Norheimsund

In September, the UV Index in Norheimsund, Norway registers a moderate 4, indicating a notable shift as summer gives way to fall. This represents a decrease from the earlier high readings of 6 and 7 in May through July, where sun safety precautions became increasingly vital. As the burn time lengthens to 30 minutes, residents and visitors are reminded that even during this transitional month, protection against UV rays remains essential. With the UV Index on the decline, September offers a more manageable exposure level, especially compared to the intense sunshine of the height of summer. To learn more about UV levels throughout the year, check out the detailed information at Norheimsund UV Index.

Maximum UV Index Levels in Norheimsund for September

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

Amidst the stunning landscapes of Norheimsund, Norway, September marks the transition from the vibrant summer days to the onset of autumn. With 233 hours of sunshine, this month experiences a notable decrease from the sun-drenched peak of July, which boasts 420 hours. However, September still outshines the dreariness of winter months like November and December, which see as little as 107 and 63 hours, respectively. The gradual decline in daylight hours hints at nature's shift as the leaves begin to change, while the lingering warmth ensures ample opportunities to enjoy the breathtaking fjords and countryside before the colder months settle in. This perfect blend of sunshine and scenic beauty makes September a charming time to explore the unique wonders of Norheimsund.

Monthly Sunshine Duration in Norheimsund: September Highlighted

The September sunshine duration represents the total number of hours Norheimsund 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.
JanFebMarAprMayJunJulAugSepOctNovDec62h143h228h319h395h368h420h354h233h178h107h63h
Data source: Norheimsund September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Norheimsund During September

In Norheimsund, Norway, the likelihood of sunny weather experiences a notable decline as summer transitions to autumn. September, with only a 14% chance of sunshine, stands out as one of the cloudiest months of the year, following the relatively brighter summer months of July and August. The overall trend reveals a steady decrease in sunny days from the warmth of midsummer through to the onset of autumn, with each successive month, from June's 24% to October's 11%, showing diminishing prospects for sunlight. As the days shorten and the cooler weather sets in, September serves as a reminder to embrace the changing seasons, albeit with a little less bright sunshine.

Percentage of Sunny Days in September in Norheimsund

The chart illustrates the percentage of sunny days in Norheimsund 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 Norheimsund experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec43%44%20%46%31%24%27%38%15%11%12%21%
Data source: Norheimsund September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Norheimsund in September

As September arrives in Norheimsund, Norway, the days begin to shorten, transitioning from the long, sun-drenched summers to the crisp, cooler autumn months. With approximately 12 hours of daylight, September marks a gentle decline from the abundant 15 hours seen in August. This shift not only heralds the end of summer but also offers a unique charm, where the days gradually darken, inviting vibrant fall colors to emerge amidst the stunning landscapes. Following the high energy of summer, the diminishing daylight reminds us to embrace the changing seasons, as October's further reduction to 10 hours of daylight looms. Such variations underscore the remarkable rhythms of nature, creating a tapestry of light that shapes daily life in this beautiful Norwegian locale.

Average Daylight Hours in Norheimsund for September

The chart illustrates the variation in daylight duration in Norheimsund throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 42m9h 6m11h 51m14h 40m17h 17m18h 49m17h 59m15h 33m12h 48m10h 1m7h 24m5h 52m
Data source: Norheimsund daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Norheimsund

As September arrives in Norheimsund, Norway, a gentle breeze begins to stir, with average wind speeds reaching 1.4 m/s (3 mph). This marks a slight uptick from the calmer summer months, where the wind settles around 1.2 to 1.3 m/s (3 mph). Interestingly, as the region transitions into autumn, the winds gradually strengthen, with October and November showcasing average speeds of 1.8 m/s (4 mph) and 1.6 m/s (4 mph), respectively. This shift symbolizes the changing seasons, as the tranquil summer days give way to the invigorating gales of fall, inviting both locals and visitors to embrace the refreshing air and the stunning autumnal landscapes.

Average September Wind Speed in Norheimsund

The chart displays monthly wind speed patterns in Norheimsund, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.91.61.51.31.31.21.31.4 m/s1.81.61.8
Data source: Norheimsund September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Norheimsund Compares to Other Months

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

September and January present strikingly different weather conditions. In September, temperatures range from a mild minimum of 1°C (35°F) to a comfortable maximum of 21°C (70°F), with an average of 10°C (50°F). In contrast, January plunges into the cold, where temperatures can dip as low as -20°C (-3°F), with an average of -2°C (28°F) and a maximum of 6°C (44°F). Additionally, September experiences significant rainfall, totaling 292 mm (11.5 in) over 19 days, contributing to a high humidity level of 93%. January, while still wet with 218 mm (8.6 in) of precipitation across 17 days, boasts even higher humidity at 98%, making the chill feel even more pervasive. For more detailed insights on January weather, you can refer to Norheimsund weather in January.

September and February present stark contrasts in weather conditions. September enjoys milder temperatures, with averages around 10°C (50°F) and highs reaching up to 21°C (70°F), while February plunges into the cold, with average temperatures at -3°C (28°F) and lows dropping to as frigid as -26°C (-14°F). While September experiences considerable rainfall, totaling 292 mm (11.5 in) over 19 days, February is slightly drier with 214 mm (8.4 in) across 17 days. Additionally, February's humidity sits at a high 96%, just above September's 93%, contributing to a uniquely chilly and damp environment. For a detailed look at February’s conditions, check out Norheimsund weather in February.

When comparing the weather in September and March, it’s clear that both months exhibit distinct characteristics. September experiences milder temperatures, with averages around 10°C (50°F) and highs reaching 21°C (70°F), while March is significantly colder, with average temperatures only around 0°C (32°F) and lows dropping to -20°C (-4°F). In terms of precipitation, September sees more rainfall at 292 mm (11.5 in) over 19 days, compared to March's 224 mm (8.8 in) over 20 days. Interestingly, the humidity levels remain quite high in both months, with September at 93% and March even slightly higher at 94%. For more detailed insights into March weather, you can check Norheimsund weather in March.

When comparing the weather in September and April, significant differences emerge. September enjoys a milder average temperature of around 10°C (50°F), with maximum highs reaching up to 21°C (70°F), while April is cooler, with an average temperature of just 3°C (37°F) and a maximum of 19°C (66°F). Additionally, September experiences higher precipitation levels, totaling 292 mm (11.5 in) over 19 days, compared to April's 148 mm (5.8 in) across 15 days. Humidity levels are relatively high in both months, with September slightly wetter at 93% compared to April's 89%. For more details on the weather specifics in April, you can check Norheimsund weather in April.

When comparing the weather in September and May, some notable differences emerge. September experiences a milder average temperature of 10°C (50°F), with maximum temperatures reaching up to 21°C (70°F). In contrast, May starts cooler, with an average of 7°C (45°F) and a maximum of 27°C (80°F), indicating higher variability in temperatures throughout the month. Precipitation is significantly greater in September, with 292 mm (11.5 in) falling over 19 days, compared to May's 106 mm (4.2 in) across 16 days. Additionally, September has a higher humidity level at 93%, compared to May's 86%. This suggests that September's weather feels more damp and overcast, while May offers a fresher, albeit variable climate. For those interested in exploring May's weather patterns, you can find more details here: Norheimsund weather in May.

September and June present quite different weather patterns. In September, temperatures range from a chilly 1°C (35°F) at night to a comfortable 21°C (70°F) during the day, with an average of 10°C (50°F). However, this month sees substantial rainfall, totaling 292 mm (11.5 in) over 19 days, resulting in high humidity levels of 93%. In contrast, June's weather is generally milder, with temperatures ranging from 2°C (36°F) to a pleasant 26°C (79°F), averaging around 13°C (55°F). Precipitation is also lower in June, at 190 mm (7.5 in) over the same number of days, accompanied by a humidity of 83%. For more details about the June weather in this region, you can check Norheimsund weather in June.

When comparing the weather between September and July, September tends to be cooler and wetter. In September, temperatures range from a minimum of 1°C (35°F) to a maximum of 21°C (70°F), with an average of 10°C (50°F). This month also sees significant rainfall, accumulating 292 mm (11.5 in) across 19 days, with humidity levels reaching 93%. In contrast, July offers milder temperatures ranging from a minimum of 4°C (39°F) to a pleasant maximum of 29°C (85°F) and an average of 14°C (58°F). While July still has 19 days of precipitation, it sees less overall rainfall at 206 mm (8.1 in) and lower humidity at 87%. For more details on July weather, you can check Norheimsund weather in July.

September sees a notable shift in weather compared to August, with cooler temperatures ranging from a minimum of 1°C (35°F) to a maximum of 21°C (70°F) and an average of 10°C (50°F). In contrast, August offers milder conditions, with temperatures reaching a minimum of 4°C (39°F) and a maximum of 25°C (77°F), averaging around 13°C (56°F). Additionally, September experiences more precipitation, with 292 mm (11.5 in) over 19 days, compared to August's 226 mm (8.9 in) across 21 days. Humidity levels are slightly higher in September at 93%, compared to 91% in August. For a closer look at August's weather specifics, visit Norheimsund weather in August.

September and October exhibit notable changes in weather patterns. In September, temperatures range from a minimum of 1°C (35°F) to a maximum of 21°C (70°F), with an average of 10°C (50°F) and 292 mm (11.5 in) of precipitation over 19 days. Humidity levels are relatively high at 93%. In contrast, October sees a drop in average temperature to 5°C (42°F), with minimums reaching as low as -8°C (17°F) and maximums peaking at 17°C (63°F). Precipitation increases slightly to 316 mm (12.4 in) over 23 days, while humidity rises to 95%. For a closer look at weather patterns during this time, check out Norheimsund weather in October.

September and November present stark contrasts in weather patterns. In September, temperatures range from a minimum of 1°C (35°F) to a comfortable maximum of 21°C (70°F), offering mild days with an average of 10°C (50°F). However, this month also brings significant rainfall, with 292 mm (11.5 in) over 19 days and high humidity at 93%. In contrast, November sees a drop in temperatures, with a minimum of -12°C (10°F) and a maximum of just 10°C (50°F), resulting in an average of only 2°C (35°F). Precipitation decreases slightly to 237 mm (9.3 in) over 17 days, and humidity rises to a notable 97%. For more details on November weather, you can explore Norheimsund weather in November.

In comparing the weather between September and December, it's clear that both months present distinct climatic characteristics. September typically sees milder temperatures, with an average of 10°C (50°F) and a maximum reaching 21°C (70°F). However, it also experiences considerable precipitation, totaling 292 mm (11.5 in) across 19 days, alongside high humidity levels of 93%. In contrast, December ushers in much colder conditions, with an average temperature of -2°C (30°F) and daytime highs only reaching 7°C (45°F). Despite slightly lower overall precipitation at 253 mm (10.0 in) over 20 days, December's humidity is even higher at 97%. For more detailed insights about the chillier month, you can check the Norheimsund weather in December.

Compare Norheimsund's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Norheimsund

As summer transitions into autumn, September in Norheimsund reveals a dramatic shift in weather patterns. Temperatures begin to cool, offering a crisp air that can oscillate from the mild warmth typical of early fall to unexpectedly cool nights. This month marks a significant increase in precipitation, with almost two-thirds of the days experiencing rain, making it one of the wetter months of the year. The high humidity often intensifies the perception of chill, wrapping the landscape in a moody mist that enhances the town's scenic beauty. For a deeper dive into how September fits into the broader climate context, visit Norheimsund Climate.