September Weather in Silkeborg, Denmark

Last updated: August 21, 2025

September in Silkeborg, Denmark offers a dynamic blend of late summer warmth and the beginnings of autumn chill. With maximum temperatures reaching 25°C (77°F) and an average of 13°C (56°F), the month invites outdoor exploration, though visitors should prepare for cooler nights with lows dipping to 2°C (36°F). Rainfall is notable, averaging 83 mm (3.3 in) across approximately 13 days, contributing to a humidity level of 85% that adds a refreshing touch to the air. Embrace the changing seasons in this picturesque town, where the beauty of nature captivates amidst cooler, rain-kissed days.

September Temperature in Silkeborg

As September arrives in Silkeborg, Denmark, the warmth of summer begins to wane, marking a transitional period in temperature. The month showcases a range with a minimum of 2°C (36°F) and a pleasant average hovering around 13°C (56°F), culminating in daytime highs reaching up to 25°C (77°F). This comfortable climate invites outdoor exploration, as locals and visitors alike relish the fading warmth. The significant drop from the scorching temperatures of July and August highlights the gradual shift towards autumn, setting the perfect scene for cozy gatherings and scenic walks amidst the changing foliage. As the month progresses, the hint of cooler days sighs a reminder that winter is not too far away, yet September offers a beautiful farewell to summer’s embrace.

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

The chart illustrates September temperature patterns in Silkeborg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Silkeborg, 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).
JanFebMarAprMayJunJulAugSepOctNovDec373638455260626256504338
Data source: Temperature data for Silkeborg 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 Silkeborg

In September, Silkeborg experiences a notable transition as summer fades into autumn, reflected in its precipitation patterns. The city receives an average of 83 mm (3.3 in) of rain, falling over approximately 13 days. While this is slightly less than the 99 mm (3.9 in) recorded in August, it remains significant, suggesting a continuation of the wetter season. As the year progresses, September's precipitation serves as a bridge to the impending autumn, paving the way for increased rainfall in October, which sees a modest rise to 85 mm (3.4 in). This steady trend highlights the variability of the Danish climate, where the lush greenery nurtured throughout the summer months is kept vibrant by early autumn showers.

September Precipitation Trends in Silkeborg

The chart displays monthly precipitation patterns in Silkeborg, 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 Silkeborg, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec495766398176849983854862
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Silkeborg

In September, Silkeborg experiences a notable transition in humidity, with levels reaching 85%—a slight uptick from the summer months. This increase signals the gradual shift towards autumn, as the humidity begins to move back up after dipping to a low of 77% in June. Throughout the year, humidity in this charming Danish town tends to fluctuate, peaking in the colder months with January and February both maintaining a high level of 88% and 87%, respectively. As September wraps up the summer season, it serves as a reminder of the balance between warm, comfortable days and the impending chill of fall, making it a unique time of year within Silkeborg's climate trends.

September Average Humidity in Silkeborg

This chart illustrates the average monthly humidity levels in Silkeborg, 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 Silkeborg is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%86%84%79%77%78%80%85%87%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Silkeborg

As September rolls into Silkeborg, Denmark, residents can expect a moderate UV Index of 5, which indicates a slight decrease from the high levels experienced during the summer months. This marks a gradual transition from the intense sunlight of July and August, where the UV Index peaked at 7. Consequently, the burn time extends to 30 minutes, encouraging outdoor enthusiasts to enjoy the crisp autumn air while still practicing sun safety. With the UV Index dipping to 3 in October, it's clear that September is a pivotal month for sun exposure, striking a balance between enjoying the outdoors and remaining mindful of UV risks. For more details on UV levels throughout the year, visit Silkeborg UV Index.

Maximum UV Index Levels in Silkeborg for September

The chart shows the monthly maximum UV Index (UVI) for Silkeborg 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 Silkeborg typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Silkeborg 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 Silkeborg

In September, the sun graces Silkeborg, Denmark with 308 hours of daylight, marking a delightful transition into autumn. This month enjoys a noticeable dip in sunshine hours compared to the peak of summer, yet it remains vibrant, outshining the early months of the year. Following a summer of nearly 450 hours in July, September still offers a generous amount of sunlight, inviting residents and visitors alike to bask in the glow of a waning season. As the days gradually shorten into October—with only 239 hours of sunshine—September stands as a golden bridge, blending the warmth of summer with the crisp freshness of fall, making it an ideal time for outdoor exploration and reflection.

Monthly Sunshine Duration in Silkeborg: September Highlighted

The September sunshine duration represents the total number of hours Silkeborg 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.
JanFebMarAprMayJunJulAugSepOctNovDec99h178h255h371h418h441h449h399h308h239h134h114h
Data source: Silkeborg September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Silkeborg During September

In Silkeborg, Denmark, September marks a subtle transition in weather patterns, with the chance of sunny days settling at 26%. While this is lower than the peak seen in the spring months—such as April's promising 55%—it reflects a gradual shift toward the quieter days of autumn. Interestingly, September's sunshine probabilities closely resemble those of May and October, creating a consistent but modest likelihood of clear skies as summer fades away. With the summer warmth lingering, the brisk autumn air begins to introduce itself, making early September a charming time to enjoy the beautiful landscapes, albeit under occasionally overcast skies.

Percentage of Sunny Days in September in Silkeborg

The chart illustrates the percentage of sunny days in Silkeborg 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 Silkeborg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%26%36%56%23%33%31%39%26%24%17%24%
Data source: Silkeborg September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Silkeborg in September

As summer fades into autumn, September in Silkeborg, Denmark, witnesses a gentle decline in daylight duration, with the sun gracing the skies for approximately 12 hours each day. This month marks a transition from the long, sunlit days of summer—peaking at 17 hours in June and 16 hours in July—to the shorter, more subdued days of fall, where October offers only 10 hours of daylight. September maintains a nice balance, offering more light than the months ahead, yet hinting at the inevitable retreat of sunlight as the year progresses. This gradual shift not only highlights Denmark’s enchanting seasonal changes but also invites moments to savor the softening light that accompanies the onset of autumn.

Average Daylight Hours in Silkeborg for September

The chart illustrates the variation in daylight duration in Silkeborg throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 37m9h 33m11h 53m14h 16m16h 24m17h 33m16h 56m14h 59m12h 41m10h 19m8h 10m6h 58m
Data source: Silkeborg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Silkeborg

As September sweeps into Silkeborg, Denmark, the winds begin to gently recede, averaging a calm 3.5 m/s (8 mph). This marks a noticeable decline compared to the bustling breezes of summer months, which hovered around 4.1 m/s (9 mph) in August. The easterly whispers of September signal a transition, reflecting an overall trend of decreasing wind speeds as the year shifts into fall. With October promising a slight uptick to 4.6 m/s, the tranquil September winds create an inviting backdrop for autumnal activities, offering a perfect blend of freshness without the intensity of the earlier season.

Average September Wind Speed in Silkeborg

The chart displays monthly wind speed patterns in Silkeborg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.84.44.34.33.63.63.54.13.5 m/s4.64.24.1
Data source: Silkeborg September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Silkeborg Compares to Other Months

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

September and January present contrasting weather patterns. In September, the temperatures range from a brisk 2°C (36°F) to a comfortable 25°C (77°F), with an average of 13°C (56°F). This month often experiences 83 mm (3.3 in) of precipitation over about 13 days, and humidity levels are relatively high at 85%. In contrast, January brings much colder conditions, with temperatures dipping as low as -11°C (13°F) and averaging around 3°C (37°F), peaking at 10°C (51°F). The total precipitation is lower at 49 mm (1.9 in) over roughly 10 days, and humidity rises slightly to 88%. For further details, check Silkeborg weather in January.

In comparing the weather of September and February, significant differences in temperature and precipitation emerge. September enjoys a wider temperature range, with a minimum of 2°C (36°F) and a maximum reaching 25°C (77°F), while February sees much colder temperatures, dipping to a minimum of -14°C (7°F) and peaking at only 13°C (56°F). Precipitation is more frequent in September, occurring on 13 days with a total of 83 mm (3.3 in), compared to February, which has precipitation on 10 days and totals 57 mm (2.3 in). Both months experience high humidity levels, with September at 85% and February slightly higher at 87%. For more detailed insights into February weather, you can visit Silkeborg weather in February.

When comparing the weather in September and March, it is evident that September offers milder temperatures, ranging from a chilly 2°C (36°F) to a warm 25°C (77°F), with an average of 13°C (56°F). In contrast, March presents much cooler conditions, with temperatures dipping as low as -9°C (15°F) and averaging only 4°C (39°F). Additionally, while both months experience similar precipitation levels, September tends to be slightly wetter with 83 mm (3.3 in) over 13 days compared to March's 66 mm (2.6 in) over 12 days. Humidity remains relatively high in both months, with September at 85% and March slightly higher at 86%. For a more in-depth look at March's weather, you can visit Silkeborg weather in March.

When comparing the weather in September and April, notable differences emerge. September generally enjoys milder temperatures, with average highs around 25°C (77°F) and lows of 2°C (36°F), while April sees cooler conditions, with average highs reaching 24°C (75°F) and lows dipping to as low as -5°C (23°F). Precipitation is more frequent in September, with 83 mm (3.3 in) over 13 days, compared to April's 39 mm (1.5 in) over just 8 days. Humidity levels are quite similar, hovering around 85% in September and 84% in April. For a more detailed look at weather patterns during this month, you can visit Silkeborg weather in April.

When comparing the weather in September and May, notable differences emerge. September experiences slightly warmer temperatures, with average highs reaching up to 25°C (77°F), compared to May's maximum of 27°C (80°F), while May has a lower average temperature of 11°C (52°F) versus September's 13°C (56°F). Both months receive similar amounts of precipitation, around 81-83 mm, spread over 13 days, but September is characterized by a higher humidity level at 85% compared to May's 79%. For more detailed insights on May weather, you can refer to Silkeborg weather in May.

In comparing the weather of September and June, we see notable differences in temperature and humidity. September typically experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 13°C (56°F), while June is warmer, offering a minimum of 5°C (41°F) and an average of 16°C (60°F). The maximum temperatures also highlight this contrast, reaching 25°C (77°F) in September compared to 28°C (82°F) in June. Although September receives slightly more precipitation at 83 mm (3.3 in) over 13 days, June is not far behind with 76 mm (3.0 in) over 10 days. Additionally, September tends to be more humid, with levels around 85%, compared to June's 77%. For more detailed information about June weather, you can check Silkeborg weather in June.

In comparing the weather of September and July, we notice distinct differences in temperature and humidity. September experiences cooler temperatures with a minimum of 2°C (36°F) and a maximum of 25°C (77°F), while July typically ranges from a minimum of 6°C (42°F) to a warmer maximum of 30°C (87°F). Both months see similar precipitation levels of 84-83 mm (3.3 in), occurring over 13 days. However, September is notably more humid at 85%, compared to July's 78%. For more details about July weather specifically, you can visit Silkeborg weather in July.

In comparing the weather between September and August, it's clear that September experiences cooler temperatures, with a minimum of 2°C (36°F) compared to August's warmer minimum of 6°C (44°F). The average temperature also drops from 17°C (62°F) in August to 13°C (56°F) in September, and the maximum temperature is significantly lower, peaking at 25°C (77°F) in September versus 30°C (86°F) in August. Additionally, while both months see considerable precipitation, September receives slightly less at 83 mm (3.3 in) over 13 days, compared to August's 99 mm (3.9 in) over 16 days. Humidity is slightly higher in September at 85%, versus 80% in August. For more detailed information on August weather, you can check Silkeborg weather in August.

In September, the weather offers a minimum temperature of 2°C (36°F) and an average of 13°C (56°F), peaking at a pleasant 25°C (77°F). With 83 mm (3.3 in) of precipitation spread over 13 days and humidity levels around 85%, the month feels relatively mild and humid.

In contrast, October sees a drop in average temperatures, with a minimum of -4°C (25°F) and an average of 10°C (50°F), while the maximum temperature reaches 22°C (72°F). Although precipitation slightly increases to 85 mm (3.4 in) over 16 days, the humidity rises to 87%, making October feel cooler and more damp. For more detailed insights on October weather, check out Silkeborg weather in October.

September and November present distinct contrasts in weather patterns. In September, temperatures typically range from a minimum of 2°C (36°F) to a maximum of 25°C (77°F), with an average of 13°C (56°F), creating a mild and pleasant atmosphere. Precipitation is relatively high at 83 mm (3.3 in) over about 13 days, while humidity hovers around 85%. In contrast, November experiences cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 16°C (61°F), resulting in a lower average of 6°C (43°F). Rainfall decreases to 48 mm (1.9 in) across about 12 days, and humidity rises slightly to 87%. The wet and cool conditions of November can be explored more at Silkeborg weather in November.

In September, temperatures in Silkeborg range from a minimum of 2°C (36°F) to a maximum of 25°C (77°F), with an average of 13°C (56°F). The month sees about 83 mm (3.3 in) of precipitation over approximately 13 days, while humidity remains high at 85%. By contrast, December brings a notable drop in temperatures, with lows reaching -9°C (16°F) and highs only reaching up to 10°C (51°F), averaging around 3°C (38°F). Although precipitation decreases to 62 mm (2.4 in) across 14 days, the humidity stays consistent at 85%. For more specific details about December weather, check out Silkeborg weather in December.

Compare Silkeborg's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Silkeborg

As September unfolds in Silkeborg, the weather presents a unique shift from the warmer months. With temperatures averaging around a cool 13°C (56°F), the transition to autumn becomes evident, complemented by an occasional high of 25°C (77°F). Although the gentle chill can be refreshing, locals and visitors alike might want to prepare for the increased precipitation, experiencing around 13 rainy days throughout the month. The high humidity level of 85% adds to the crisp feel in the air, marking September as a time for cozy sweaters and scenic walks. Embrace the beauty of change as the vibrant shades of autumn begin to paint the landscape. For more insights into what to expect throughout the year, visit Silkeborg Climate.