Last updated: October 30, 2025
In Billund, Denmark, September brings a dynamic mix of weather patterns, with temperatures ranging from a pleasant maximum of 26°C (79°F) to a refreshingly cool minimum of 2°C (36°F). The average temperature hovers around 14°C (57°F), making it a transitional month as autumn approaches. Rainfall is a notable aspect, with 92 mm (3.6 in) of precipitation over approximately 14 days, contributing to the region's lush landscapes. High humidity levels at 84% further enhance the moist atmosphere, setting a perfect backdrop for outdoor adventures or cozy indoor activities. Enjoy the charm of September in Billund, where every day holds the potential for surprise!
As September unfolds in Billund, Denmark, temperatures transition into a more moderate phase, marking the end of summer. With minimums around 2°C (36°F) and averages reaching 14°C (57°F), this month offers a refreshing respite from the summer heat, while still allowing for pleasant days with maximums peaking at 26°C (79°F). The landscape begins to shift, echoing the arrival of autumn, with cooler mornings encouraging cozy sweaters and warm cups of coffee. This gradual cooling trend sets the stage for the crisp, vibrant colors of fall, making September an inviting time to explore the scenic beauty and charm of Billund.
In September, Billund, Denmark experiences a significant amount of rainfall, with 92 mm (3.6 in) accumulated over 14 days. This marks a slight decrease from August's total of 93 mm, despite a similar number of rainy days. The precipitation typically peaks during this month, setting the stage for the wetter autumn ahead, as October follows closely with an increased average of 98 mm. The transition to fall is evident as September's weather invites a cozy atmosphere, nudging residents to embrace the season's change while preparing for the rainy days to come. Overall, September acts as a bridge, maintaining the summer's humidity while hinting at the forthcoming October deluge.
September in Billund, Denmark, sees a notable increase in humidity, reaching 84% after the warmer summer months. Following a steady decline from the high humidity levels of 89% in January to 75% in June, the humidity begins to rise again as autumn approaches. This slight uptick reflects the transition towards the cooler seasons, where the air holds more moisture once again. Overall, September stands as a reminder of summer's lingering warmth while hinting at the moisture-laden months ahead.
In September, Billund experiences a UV Index of 5, indicating a moderate level of sun exposure that calls for some caution. As summer fades, the UV levels begin to decrease from the peak highs of July and August, where they reached a high of 7. With a recommended burn time of 30 minutes, it's essential for residents and visitors to be mindful of sun protection during outdoor activities, especially as the days start to shorten. This month perfectly illustrates the transition towards milder conditions, following the trend of decreasing UV strength as autumn approaches. For more detailed insights, check out the Billund UV Index.
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In September, Billund, Denmark basks in a generous 299 hours of sunshine, marking a delightful shift as summer gradually yields to autumn. This month signals a distinct trend when compared to the earlier peak of August, which boasted 389 hours of sunlight. While the days are still bright, the sunlight diminishes from the summer highs, yet September remains luminous enough to cherish outdoor activities and the vibrant fall foliage. The gradual transition towards the cooler months is evident as the sunlight starts to dip again, with October expected to bring 237 hours. Despite this, September stands out as a charming blend of warmth and light, inviting both locals and visitors to savor the lingering beauty of summer before the winter chill sets in.
In September, the likelihood of sunny weather in Billund, Denmark, hovers around 26%. This marks a slight decline from the peak sunshine of April at 50%, but it remains on par with the earlier summer months. As summer gives way to autumn, the chances of soaking up the sun diminish, reflecting a broader trend of fluctuating sunshine throughout the year. Notably, the frequency of sunny days begins to taper off after a summer that experienced an average of 30% to 38% chances from June through August. While early fall may still offer glimpses of sun, those seeking brighter days should keep their expectations in check as they prepare for the incoming crispness of autumn.
As September unfolds in Billund, Denmark, the lingering warmth of summer starts to fade, reflected in the daylight duration that settles at 12 hours. Following a vibrant summer where daylight peaked at 17 hours in June, September marks a gentle transition into autumn, with the days growing shorter. This month represents a decline of 2 hours compared to August, where daylight stretched to 14 hours. The gradual shift from the long, sunlit days of summer sets the stage for the cozy embrace of fall, making September a beautiful, yet bittersweet, turning point in the seasonal cycle.
As the summer season winds down, September in Billund, Denmark ushers in a gentle breeze with an average wind speed of 3.6 m/s (8 mph). This marks a slight dip compared to the more spirited gusts of earlier months, such as August with its 4.1 m/s (9 mph) winds. While the calmness may suggest a tranquil transition, it also sets the stage for the brisker winds of October and the 4.6 m/s (10 mph) speeds that follow. This ebb and flow of wind speeds throughout the year illustrates a notable trend: as autumn approaches, Billund often experiences a softening of breezes before the invigorating gusts return, encapsulating the essence of the changing seasons.
Weather in Billund varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Billund, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a pleasant maximum of 26°C (79°F), with an average of 14°C (57°F). The month experiences an average precipitation of 92 mm (3.6 in) over approximately 14 days, accompanied by relatively high humidity at 84%. In stark contrast, January brings colder conditions, with temperatures dropping to a minimum of -10°C (15°F) and peaking at a maximum of 10°C (51°F), averaging just 3°C (37°F). Precipitation is lower at 57 mm (2.3 in) over around 11 days, and humidity increases to 89%. This shift in weather highlights the transition from a mild, wetter autumn to a cold, drier winter. For more detailed information, check out Billund weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures vary from a minimum of 2°C (36°F) to a comfortable average of 14°C (57°F), peaking at a maximum of 26°C (79°F). The month experiences higher precipitation, with 92 mm (3.6 in) of rain over approximately 14 days and a humidity level of 84%. In contrast, February is much colder, with temperatures ranging from a frigid minimum of -17°C (2°F) to a cooler average of 2°C (37°F), reaching a maximum of only 13°C (55°F). The total precipitation for February is lower at 68 mm (2.7 in) over about 11 days, accompanied by higher humidity at 88%. For more detailed insights, check out Billund weather in February.
In September, the weather is generally milder with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 26°C (79°F), averaging around 14°C (57°F). The month experiences higher humidity at 84% and receives more rain, totaling 92 mm (3.6 in) spread over 14 days. In contrast, March is noticeably colder, with temperatures dipping as low as -9°C (16°F) and averaging only 4°C (39°F), peaking at 14°C (58°F). Although it has slightly less rainfall at 71 mm (2.8 in) across 12 days, the humidity remains high at 87%. For more detailed information on March weather, see Billund weather in March.
September and April exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 26°C (79°F), with an average of 14°C (57°F). It experiences more precipitation, totaling 92 mm (3.6 in) over approximately 14 days. In contrast, April has a colder temperature range, with a minimum of -5°C (24°F) and a maximum of 24°C (75°F), averaging around 7°C (45°F). Additionally, April has significantly lower precipitation at 41 mm (1.6 in) across about 10 days. Humidity remains consistent at 84% for both months, highlighting the dampness typical of this region. For a deeper look into April's climate specifics, you can refer to Billund weather in April.
In comparing the weather between September and May, we see some notable differences. September generally features a higher average temperature of 14°C (57°F), with maximums reaching 26°C (79°F), while May's temperatures are cooler, averaging 11°C (52°F), although it can also peak at 26°C (80°F). Precipitation levels are quite similar, with September experiencing 92 mm (3.6 in) and May at 83 mm (3.3 in), both spread over 14 days; however, September tends to be slightly more humid at 84% compared to May's 79%. For more detailed insights into May's weather, you can check Billund weather in May.
September and June offer distinct weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 26°C (79°F), with an average temperature of 14°C (57°F). This month experiences more precipitation, totaling 92 mm (3.6 inches) over 14 days, and is characterized by higher humidity levels at 84%. In contrast, June sees slightly warmer temperatures, with a minimum of 4°C (40°F) and a maximum of 29°C (84°F), averaging around 15°C (60°F). Precipitation is less frequent in June, totaling 75 mm (2.9 inches) across 11 days, and the humidity level is lower at 75%. For more detailed information on June weather, you can check Billund weather in June.
In comparing the weather between September and July, we see notable differences in temperature and precipitation patterns. September experiences a wider temperature range, with minimums dropping to 2°C (36°F) and maximums reaching 26°C (79°F), while the average temperature is around 14°C (57°F). In contrast, July tends to be warmer overall, with minimum temperatures of 5°C (42°F) and maximums peaking at a warmer 31°C (87°F), resulting in an average temperature of 16°C (62°F). Precipitation is more frequent in September, with 92 mm recorded over 14 rainy days, compared to 81 mm over 12 days in July. Additionally, humidity levels are higher in September at 84%, compared to 76% in July. For more detailed insights into July's weather in Billund, you can check Billund weather in July.
In comparing the weather between September and August, we observe noticeable differences in both temperature and humidity levels. September features a broader temperature range, with a minimum of 2°C (36°F) and a maximum of 26°C (79°F), whereas August typically sees warmer conditions, ranging from a minimum of 6°C (44°F) to a maximum of 31°C (89°F). Additionally, September experiences slightly more precipitation—92 mm (3.6 in) over 14 days—while August has 93 mm (3.7 in) across 16 days. Humidity levels also rise in September, reaching 84%, compared to August's 77%. For a more detailed look at August's weather, you can check out Billund weather in August.
September and October showcase a notable transition in weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 26°C (79°F), with an average of 14°C (57°F), while October sees a cooler climate with temperatures dropping to a minimum of -4°C (25°F) and averaging 10°C (51°F). Both months experience significant precipitation, with September recording 92 mm (3.6 in) over 14 days and October slightly increasing to 98 mm (3.9 in) over 16 days. Additionally, humidity rises from 84% in September to 87% in October, highlighting the dampness that often characterizes autumn. For more insights, you can explore Billund weather in October.
In comparing the weather between September and November, we see a notable shift in temperatures and conditions. September boasts a more temperate climate with average highs reaching 26°C (79°F) and lows around 2°C (36°F), accompanied by significant rainfall of 92 mm (3.6 in) over 14 days. Humidity during this month is relatively high at 84%. In contrast, November brings cooler temperatures, with averages dropping to a maximum of 16°C (61°F) and a minimum of -3°C (27°F). This month experiences less total precipitation at 57 mm (2.2 in) over 13 days, but the humidity slightly increases to 88%. For a deeper look into what to expect in November, you can visit Billund weather in November.
September and December present contrasting weather patterns. In September, temperatures range from a mild 2°C (36°F) at night to a warm 26°C (79°F) during the day, with an average of 14°C (57°F). Despite experiencing 14 days of precipitation totaling 92 mm (3.6 in), the humidity sits at a moderate 84%. In stark contrast, December sees much colder temperatures ranging from a low of -14°C (6°F) to a maximum of just 10°C (50°F), averaging around 4°C (39°F). While precipitation decreases to 68 mm (2.7 in) over the same number of days, humidity slightly increases to 87%. For more details about December weather, visit Billund weather in December.
As September transitions into autumn in Billund, the weather showcases a unique charm distinct from the summer months. Temperatures begin to cool, averaging a mild 14°C (57°F), while the maximum can still reach up to 26°C (79°F) on warmer days, offering a final taste of summer. However, this month is marked by increased rainfall, with 14 days of precipitation contributing to a total of 92 mm (3.6 in), and humidity levels soaring to 84%. This blend of mild temperatures and frequent showers creates a refreshing atmosphere, making September an intriguing time to experience Billund's changing seasons. For a deeper dive into what to expect throughout the year, check out the full Billund Climate.