September Weather in Seljord, Norway

Last updated: August 27, 2025

Experience the diverse September weather in Seljord, Norway, where temperatures can range dramatically, with a maximum of 23°C (74°F) and a chilly minimum of 0°C (32°F). The average temperature hovers around a cool 10°C (50°F), perfect for those who enjoy a brisk autumn climate. This month sees 138 mm (5.4 in) of precipitation over approximately 14 days, contributing to the lush landscapes that the region is renowned for. With an humidity level of 86%, the air feels crisp and invigorating, making September an ideal time for exploring the breathtaking natural beauty of Seljord.

September Temperature in Seljord

In September, Seljord, Norway, transitions into a cooler yet still pleasant climate, with temperatures showcasing a gentle shift towards autumn. The minimum temperature hovers around 0°C (32°F), while the average reaches a comfortable 10°C (50°F), culminating in a maximum of 23°C (74°F). This month marks a delightful balance, as summer's warmth lingers for a little longer. As the vibrant greens of summer begin to fade, visitors can enjoy the beautiful fall foliage in a mild and refreshing atmosphere, making September an ideal time for outdoor activities and exploration in this picturesque region.

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

The chart illustrates September temperature patterns in Seljord, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seljord, 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).
JanFebMarAprMayJunJulAugSepOctNovDec242529374757595650413327
Data source: Temperature data for Seljord 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 Seljord

In September, Seljord, Norway, experiences a notable surge in precipitation, with an impressive 138 mm (5.4 in) of rain falling over 14 days, marking it as one of the wettest months of the year. This significant uptick in rainfall follows a relatively drier summer and foreshadows the even rainier months ahead, particularly October, which receives 145 mm (5.7 in). As the leaves begin to change color and autumn settles in, the increased precipitation not only enriches the landscape but also accentuates the dramatic transformation of Seljord's natural beauty, culminating in a vivid tapestry of colors that thrives in the cooler, wet conditions.

September Precipitation Trends in Seljord

The chart displays monthly precipitation patterns in Seljord, 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 Seljord, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7279814686113114104138145117130
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Seljord

In September, Seljord experiences a notable shift in humidity levels, with an average of 86%. This marks a significant increase from the drier summer months, where humidity hovered around 74% in both June and July. As the autumn season approaches, the air gradually grows more saturated, transitioning from the summer's relative dryness to the higher humidity levels typical of the fall and winter months. Notably, September's humidity remains lower than the winter months, which consistently see values soaring back up to 92% by October, signaling the return of the cold, wet weather. This pattern reflects a clear trend in Seljord's climate, where the lingering warmth of late summer gives way to the crisp, damp air of autumn.

September Average Humidity in Seljord

This chart illustrates the average monthly humidity levels in Seljord, 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 Seljord is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%83%75%74%74%78%86%92%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Seljord

As summer transitions to autumn in Seljord, Norway, the UV Index sees a gentle decline. In September, the UV Index stands at 4, categorizing exposure as moderate with a burn time of just 30 minutes—a slight decrease from the previous months of high exposure. This trend reflects a gradual shift from the intense sun of June and July, which reached a peak UV Index of 7. With October on the horizon, where the UV Index further lowers to 2, it’s a perfect reminder for residents and visitors to remain mindful of sun safety as the days grow shorter. For more detailed insights, check out the complete guide to the Seljord UV Index.

Maximum UV Index Levels in Seljord for September

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

As summer bids farewell, September in Seljord, Norway, offers a gentle transition marked by 271 hours of sunshine. This month reflects a notable decline from the summer peak of 468 hours in July but still enjoys more sunlight than the chillier months ahead. The gradual decrease is part of a broader trend, as daylight begins to yield to the earlier twilight of autumn. While the summer months bask in prolonged golden hours, September strikes a balance, inviting residents and visitors alike to enjoy the crispness of early fall against a backdrop of lingering sunshine, before the longer nights envelop Seljord in October with just 216 hours of daylight.

Monthly Sunshine Duration in Seljord: September Highlighted

The September sunshine duration represents the total number of hours Seljord 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.
JanFebMarAprMayJunJulAugSepOctNovDec94h177h292h367h420h434h468h394h271h216h129h87h
Data source: Seljord September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Seljord During September

As September rolls in, the prospects for sunny weather in Seljord, Norway, dip notably, with only a 23% chance of sunshine. This decline marks a continuation of the trend observed throughout the summer months; while June and July offer a hint of brightness with probabilities hovering around 33% to 41%, September falls into a stark contrast, similar to the lower figures seen in earlier months like January and February. As autumn begins to take hold, the chances of clear skies are overshadowed by impending clouds, suggesting that those in search of sun may want to seize the last opportunities of summer before the days shorten further.

Percentage of Sunny Days in September in Seljord

The chart illustrates the percentage of sunny days in Seljord 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 Seljord experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%41%38%59%26%33%41%38%24%26%22%26%
Data source: Seljord September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Seljord in September

As September unfolds in Seljord, Norway, the daylight begins to wane, offering about 12 hours of sunlight—a gentle transition from the long, bright days of summer. Following the peak of summer in June with its remarkable 18 hours of daylight, the days gradually start to shorten, marking a clear shift towards autumn. This month serves as a comforting bridge, still basking in the aftermath of August's 15 hours before dipping into the more subdued 10 hours of October. The rhythm of the seasons is palpable as daylight dances between extremes, inviting a reflective mood as nature prepares for the cozy embrace of winter's approach.

Average Daylight Hours in Seljord for September

The chart illustrates the variation in daylight duration in Seljord throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 56m9h 12m11h 52m14h 34m17h 4m18h 30m17h 43m15h 25m12h 46m10h 5m7h 35m6h 9m
Data source: Seljord daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Seljord

In Seljord, Norway, the September wind whispers at an average speed of 1.9 m/s (4 mph), maintaining the steady and gentle breeze typical of the late summer months. This consistency carries through the seasons, as the wind speed remains fairly stable from January to August, often hovering around the same 1.8 to 1.9 m/s range. Notably, September's wind matches the summer's calmness, while a slight uptick occurs in October at 2.2 m/s (5 mph), suggesting a subtle shift as autumn approaches. This gradual build in wind speed from the summer months to the early fall reflects the region's transition, paving the way for the crisp, invigorating winds that will characterize the colder months ahead. Overall, Seljord's wind patterns offer a serene backdrop to the picturesque landscape, inviting both residents and visitors to embrace the tranquil beauty of the changing seasons.

Average September Wind Speed in Seljord

The chart displays monthly wind speed patterns in Seljord, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.92.32.41.81.91.81.91.9 m/s2.22.12.0
Data source: Seljord September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Seljord Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures range from a minimum of 0°C (32°F) to a maximum of 23°C (74°F), with an average of 10°C (50°F). Humidity is relatively high at 86%, and the month experiences significant rainfall with 138 mm (5.4 in) over 14 days. In contrast, January is much colder, featuring temperatures that drop as low as -22°C (-7°F) and only reaching a maximum of 8°C (47°F), resulting in an average temperature of -4°C (25°F). While January experiences lower precipitation at 72 mm (2.8 in) over 10 days, humidity is slightly higher at 93%. The differences in temperature and precipitation between these months highlight the transition from early autumn to the depths of winter. For more details on January weather, visit Seljord weather in January.

In September, the weather in Seljord is generally milder, with temperatures ranging from a chilly 0°C (32°F) at night to a pleasant maximum of 23°C (74°F) during the day. The month is characterized by considerable precipitation, totaling 138 mm (5.4 in) over approximately 14 days, and a high humidity level of 86%. In contrast, February sees much colder conditions, where temperatures can plummet to a minimum of -19°C (-3°F) and only reach a maximum of 8°C (46°F). February experiences less precipitation at 79 mm (3.1 in) over about 12 days, but with a slightly higher humidity of 91%. This highlights a stark difference in climate between the two months. For more specifics on February weather, visit Seljord weather in February.

When comparing the weather in September and March, notable differences emerge. September typically enjoys milder temperatures, with an average of 10°C (50°F) and maximums reaching up to 23°C (74°F), while March remains quite chilly, with average temperatures around -1°C (30°F) and maximums only up to 12°C (54°F). Additionally, September experiences higher precipitation levels of 138 mm (5.4 in) over 14 days, compared to March's 81 mm (3.2 in) over 12 days. Humidity levels are slightly higher in March at 88%, while September has a humidity of 86%. For a closer look at the weather details for March, you can visit Seljord weather in March.

September and April present distinctly different weather patterns, reflecting the transition between summer and autumn in September and the tail end of winter into spring in April. In September, temperatures range from a chilly 0°C (32°F) at night to a comfortable 23°C (74°F) during the day, with an average of 10°C (50°F). This month experiences relatively high precipitation at 138 mm (5.4 in) over 14 days, accompanied by humidity levels around 86%. In contrast, April sees a minimum temperature dipping to -15°C (5°F), with an average of 3°C (37°F) and a maximum of 20°C (68°F). Precipitation is notably lower at 45 mm (1.8 in) over just 8 days, and humidity levels are slightly lower at 83%. For more details on the weather in April, you can visit Seljord weather in April.

When comparing the weather in September and May, September generally presents milder temperatures, with averages around 10°C (50°F) and a maximum of 23°C (74°F), while May can have a wider range, with an average of 8°C (47°F) and maximums reaching up to 25°C (78°F). September is typically more humid, with an humidity level of 86%, compared to May's 75%. Precipitation is more frequent in September, with 138 mm (5.4 in) over about 14 days, compared to May’s 86 mm (3.4 in) over 12 days. For a more detailed look at weather trends during May, you can visit Seljord weather in May.

When comparing the weather in September to that of June, it's evident that June generally offers warmer conditions. June experiences an average temperature of 14°C (57°F), with highs reaching up to 27°C (81°F), while September's average rests at a cooler 10°C (50°F), peaking at 23°C (74°F). Additionally, June sees slightly less precipitation, totaling 113 mm (4.4 in) over 13 days, compared to September's 138 mm (5.4 in) across 14 days. Humidity levels are also lower in June at 74%, compared to September's higher 86%. For more specific insights on June weather, you can refer to Seljord weather in June.

September and July exhibit distinct weather patterns that reflect the transition from summer to autumn. In July, temperatures range from a minimum of 4°C (39°F) to a maximum of 28°C (84°F), with an average of 15°C (59°F), resulting in a relatively warm and humid atmosphere, with humidity levels at 74%. In contrast, September sees cooler temperatures, with a minimum of 0°C (32°F), an average of 10°C (50°F), and a maximum of 23°C (74°F). Although September experiences slightly higher precipitation at 138 mm (5.4 in) over 14 days compared to July's 114 mm (4.5 in) across 13 days, the humidity rises significantly to 86%. This shift illustrates the cooling trend and increasing moisture as summer transitions into fall. For further details on July weather, you can visit Seljord weather in July.

In comparing the weather between August and September, we notice a gradual shift towards cooler temperatures. September sees a minimum temperature drop to 0°C (32°F) and an average of 10°C (50°F), while August retains milder conditions with a minimum of 3°C (38°F) and an average of 13°C (56°F). Additionally, September experiences slightly more precipitation at 138 mm (5.4 in) over 14 days compared to August's 104 mm (4.1 in) under the same number of rainy days. The humidity also rises in September, averaging 86% compared to August's 78%. For a detailed look at Seljord's weather in August, you can visit Seljord weather in August.

September and October present a noticeable shift in weather patterns. In September, temperatures range from a minimum of 0°C (32°F) to a maximum of 23°C (74°F), with an average of 10°C (50°F). The month experiences significant precipitation, totaling 138 mm (5.4 in) over about 14 days, accompanied by high humidity levels at 86%. In contrast, October brings cooler temperatures, with a minimum of -6°C (21°F) and a maximum of 16°C (61°F), averaging only 5°C (41°F). Precipitation increases slightly to 145 mm (5.7 in) across 18 days, and humidity rises to 92%. The transition from September to October marks a significant cooling and an uptick in wet days, making October distinctly more brisk and damp. For more detailed weather insights, you can visit Seljord weather in October.

In comparing the weather between September and November, significant differences emerge. September experiences a milder temperature range with minimums around 0°C (32°F) and maximums peaking at 23°C (74°F), alongside an average of 10°C (50°F). This month also sees considerable precipitation, with 138 mm (5.4 in) falling over approximately 14 days, and humidity levels hovering around 86%.

In contrast, November brings a much chillier climate, with temperatures dropping to a minimum of -13°C (8°F) and an average of just 1°C (33°F). The maximum temperature only reaches 12°C (54°F), marking a distinct shift towards winter. Although precipitation decreases slightly to 117 mm (4.6 in) over 15 days, the humidity rises to 92%, suggesting a damp and cold atmosphere. For more details, you can explore the Seljord weather in November.

In September, the weather features milder temperatures, with a minimum of 0°C (32°F) and an average of 10°C (50°F), peaking at 23°C (74°F). This month also sees significant rainfall, accumulating 138 mm (5.4 in) over 14 days, accompanied by high humidity at 86%. In contrast, December experiences much colder conditions, where temperatures drop drastically, with a minimum of -14°C (8°F) and an average of -3°C (27°F), while the maximum rarely exceeds 8°C (46°F). Although precipitation is slightly lower at 130 mm (5.1 in), it occurs over more days, totaling 17, and the humidity rises to 92%. The stark difference in temperature and humidity highlights the transition from the mild, wetter days of September to the frigid, more humid climate of December. For those interested in specifics about December's climate, check out Seljord weather in December.

Compare Seljord's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Seljord

As September unfolds in Seljord, the transition from summer to autumn becomes evident, marked by cooler temperatures that average around 10°C (50°F). While the month can still reach a pleasant maximum of 23°C (74°F), the minimum dips down to chilly levels, reinforcing the need for cozy attire. Unlike the drier summer months, September experiences a notable increase in precipitation, with rain appearing on about half of the days, contributing to a high humidity level of 86%. This weather pattern sets the stage for stunning autumn foliage, making September an inviting time to experience the natural beauty of Seljord. For more insights on what to expect from the climate throughout the year, visit Seljord Climate.