Last updated: August 27, 2025
In September, Kopparberg, Sweden experiences a transition into autumn with a maximum temperature reaching a pleasant 23°C (74°F) while the average sits at a crisp 11°C (51°F). Temperatures can dip to a chilly -2°C (28°F), making warm layers a necessity for outdoor enthusiasts. The month is characterized by 64 mm (2.5 in) of precipitation, distributed across approximately 12 days, contributing to the region's lush landscape. Coupled with an average humidity of 86%, September in Kopparberg offers a refreshing, albeit damp, experience that beautifully captures the essence of the changing seasons.
In September, Kopparberg experiences a transition into autumn, with temperatures starting to cool after the warmth of summer. The minimum temperature dips to a brisk -2°C (28°F), while the average settles around 11°C (51°F), providing a refreshing change. Daytime highs still reach a pleasant 23°C (74°F), allowing for enjoyable outdoor activities amid the colorful foliage. This month marks a distinct shift from the sultry warmth of August, as the cooler nights hint at the encroaching winter. Overall, September in Kopparberg offers a perfect blend of mild days and crisp evenings, embodying the charm of early autumn.
In Kopparberg, Sweden, September marks a shift towards the more vibrant autumn months, bringing an average precipitation of 64 mm (2.5 in) over approximately 12 days. This drop in rainfall follows the wetter summer, particularly August, which recorded the highest monthly precipitation at 95 mm (3.8 in). The relatively moderate September rainfall is a welcome reprieve, yet it maintains a significant contribution to the year's overall moisture. As nature prepares for the colder season, residents can expect a mix of crisp air and occasional showers, setting the stage for the breathtaking autumn foliage that characterizes this picturesque region.
In September, Kopparberg starts to transition from the warmth of summer, with humidity levels rising to 86%. This increase follows the warm, more moderate months of July and August, which saw humidity hovering around 70% and 77%, respectively. As autumn approaches, the air becomes noticeably more moisture-laden, indicating a shift towards the wetter months ahead. This trend of increasing humidity continues into the fall, with October and November reaching 91% and 93%, showcasing Kopparberg's propensity for a damp climate as winter sets in. Thus, September serves as a pivotal month, bridging the drier summer and the moist chill of autumn.
As the summer fades and autumn approaches, September in Kopparberg, Sweden, offers a transition reflected in its UV Index, which stands at 4, indicating moderate exposure. This slight decrease follows the peak summer months of June and July, where UV levels reached 7, demanding greater sun protection with a quicker burn time of just 25 minutes. As we move into September, the burn time extends back to 30 minutes, similar to the previous months of April and May. With the UV Index gradually declining towards 2 in October, it's a reminder to enjoy the lingering daylight while remaining mindful of UV exposure. For more details on UV levels throughout the year, visit Kopparberg UV Index.
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As summer gracefully bows out, September in Kopparberg offers a gentle transition marked by a significant drop in sunlight hours, totaling 267 hours. This figure reflects a notable decrease from the sun-drenched days of July and August, where sunshine peaked at 463 and 389 hours, respectively. Interestingly, September still enjoys more light than the winter months ahead, particularly October and November, which will see hours plummet to just 193 and 108. The gradual waning of daylight heralds the onset of autumn, inviting a stunning tapestry of fall colors and a cozy atmosphere that beckons residents and visitors alike to savor the rich beauty of nature as it prepares for the chill of winter.
In Kopparberg, Sweden, the likelihood of sunny weather in September is relatively modest, at just 25%. This marks a noticeable decline from the sunnier summer months, with July peaking at 46%. Following the vibrant days of late summer, the chance of basking in the sun dwindles, continuing a trend of decreasing sunlight as the autumn months approach. The weather in September can often feel transitional, as the promise of long sunny days gives way to cooler, more overcast conditions. While it's not the sunniest time of year, the chance for pleasant weather still exists, providing opportunities for outdoor activities amidst the changing leaves.
As summer fades, September in Kopparberg, Sweden, brings a noticeable transition in daylight duration, offering about 12 hours of sunlight each day. After basking in the long, 18 hours of daylight during June, the days shorten gradually, reflecting the gradual shift from the bright summer months. This reduction continues into October, where daylight dips to 10 hours. The rhythm of nature is evident, as daylight decreases noticeably, contrasting sharply with the early months of the year when only 6 hours were available in January. September strikes a balance—still generous compared to the winter months ahead, yet hinting at the approaching darker days of autumn.
In Kopparberg, Sweden, the winds of September bring a gentle average speed of 3.2 m/s (7 mph), marking a slight increase from the summer lull. This transition is part of a broader trend that sees the winds gradually picking up as the year progresses, with the breeze often becoming more pronounced by October, when it reaches an average of 4.1 m/s (9 mph). Interestingly, while summer months like June and July experience the calmest winds, August nudges upward to 3.1 m/s (7 mph), creating a seamless blend into the slightly bracing September air. As the seasons shift, this subtle rise in wind speed hints at the invigorating embrace of autumn, signaling a dynamic change in the landscape of Kopparberg.
Weather in Kopparberg varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kopparberg, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather patterns. September typically features a more temperate climate, with average temperatures around 11°C (51°F) and highs reaching up to 23°C (74°F), accompanied by relatively high humidity at 86%. The month experiences some precipitation, averaging 64 mm (2.5 in) over about 12 days. In contrast, January plunges into the depths of winter, where average temperatures drop to -3°C (27°F), with lows plummeting to -25°C (-12°F) and highs just reaching 8°C (47°F). The precipitation in January is lower, at 46 mm (1.8 in) over roughly 9 days, but the humidity is slightly higher at 94%. For a more detailed look at January weather specifics, you can visit Kopparberg weather in January.
September and February present stark contrasts in weather patterns. In September, temperatures range from a chilly -2°C (28°F) at night to a comfortable 23°C (74°F) during the day, with an average of 11°C (51°F). The month sees about 64 mm (2.5 in) of precipitation over 12 days, accompanied by relatively high humidity at 86%. In contrast, February experiences much colder temperatures, with minimums plunging to -18°C (0°F) and daytime highs only reaching up to 10°C (51°F), resulting in an average of -3°C (27°F). Precipitation in February is lower, at 42 mm (1.7 in) across 10 days, but humidity rises slightly to 92%. For a detailed comparison of February's weather, check Kopparberg weather in February.
In September, the temperatures are generally milder, with a minimum of -2°C (28°F) and an average of 11°C (51°F), peaking at a maximum of 23°C (74°F). The month experiences about 64 mm (2.5 in) of precipitation over 12 days and has a humidity level of 86%. In contrast, March is noticeably colder, featuring a minimum temperature of -16°C (3°F) and an average of around 0°C (32°F), with highs reaching 18°C (64°F). This month sees slightly less precipitation at 46 mm (1.8 in) spread over 9 days, accompanied by a higher humidity of 89%. For a more detailed look at March weather in this region, check out Kopparberg weather in March.
September and April present distinctly different weather patterns. In September, temperatures range from a chilly -2°C (28°F) at night, with an average of 11°C (51°F) and a warm peak of 23°C (74°F) during the day. The month brings about 64 mm (2.5 in) of precipitation over approximately 12 days, accompanied by relatively high humidity at 86%. In contrast, April experiences colder nights with minimum temperatures dropping to -11°C (12°F), an average of 4°C (39°F), and a mild maximum of 21°C (70°F). Precipitation is less frequent, totaling 34 mm (1.3 in) over about 7 days, with humidity slightly lower at 81%. For more detailed information on the weather in April, visit Kopparberg weather in April.
In September, temperatures range from a minimum of -2°C (28°F) to a maximum of 23°C (74°F), with an average of 11°C (51°F). The month sees around 64 mm (2.5 in) of precipitation over approximately 12 days, accompanied by relatively high humidity at 86%. In contrast, May experiences slightly cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 27°C (81°F), averaging 10°C (50°F). Like September, May also records 64 mm (2.5 in) of precipitation over the same number of days, but the humidity is lower at 72%. This difference in humidity and temperature gives each month a distinct feel. For more detailed weather insights, you can check Kopparberg weather in May.
In comparing the weather between September and June, it’s clear that June offers warmer temperatures, with an average of 16°C (60°F) compared to September's cooler average of 11°C (51°F). June also experiences higher maximum temperatures, reaching up to 29°C (85°F), while September peaks at a more modest 23°C (74°F). Additionally, while both months see a fair amount of precipitation, June has a slightly higher total of 80 mm (3.2 in) over 11 days compared to September's 64 mm (2.5 in) across 12 days. Humidity levels also differ, with September averaging 86%, making it quite a bit more humid than June's 68%. For a deeper insight into the June weather in Kopparberg, Kopparberg weather in June is a great resource.
When comparing the weather in September and July, significant differences are evident. September experiences cooler temperatures, with a minimum of -2°C (28°F) and an average of 11°C (51°F), while July boasts a warmer range, featuring a minimum of 4°C (40°F) and an average of 16°C (62°F). The maximum temperatures in July can reach up to 32°C (90°F), making it a much hotter month compared to September’s peak of 23°C (74°F). Additionally, while both months see regular precipitation, September has slightly less at 64 mm (2.5 in) over 12 days compared to July’s 78 mm (3.1 in) over 11 days. The humidity also varies, with September being notably more humid at 86% compared to July’s 70%. For more detailed insights, check out Kopparberg weather in July.
In comparing the weather between August and September, we see a noticeable shift toward cooler temperatures as summer transitions into autumn. August boasts a milder climate with an average temperature of 15°C (59°F) and daily highs reaching up to 30°C (86°F), making it the warmest month. In contrast, September presents a significant drop in temperatures, with averages around 11°C (51°F) and maximums peaking at only 23°C (74°F).
Precipitation levels also differ, as August experiences more rainfall with 95 mm (3.8 in) over 15 days, compared to September's 64 mm (2.5 in) over 12 days. Humidity is higher in September at 86%, compared to August's 77%, contributing to a more crisp feel as the season changes. For a more detailed look, you can check Kopparberg weather in August.
In September, the weather showcases a broader range of temperatures, with a minimum of -2°C (28°F) and a maximum reaching 23°C (74°F), resulting in an average of 11°C (51°F). The month experiences 64 mm (2.5 in) of precipitation over 12 days, with humidity at 86%. In contrast, October brings cooler conditions, with temperatures dipping further; the minimum now is -6°C (21°F), and the average falls to 6°C (43°F), topping out at 19°C (67°F). Rainfall increases slightly to 84 mm (3.3 in), also over 12 days, while humidity remains high at 91%. For more detailed information, you can check Kopparberg weather in October.
September and November present contrasting weather conditions. September typically enjoys milder temperatures, with a minimum of -2°C (28°F) and an average of 11°C (51°F), peaking at a maximum of 23°C (74°F). This month also experiences relatively high humidity at 86%, along with 64 mm (2.5 in) of precipitation over 12 days. In contrast, November brings more chill, with temperatures seeing a significant drop: a minimum of -13°C (9°F), an average of 2°C (35°F), and a maximum of 14°C (57°F). The month is slightly drier with 59 mm (2.3 in) of precipitation over 10 days, but the humidity is higher at 93%. For more details on November weather specifically in Kopparberg, visit Kopparberg weather in November.
In September, the weather in Kopparberg is relatively mild, with average temperatures ranging from a chilly 2°C (28°F) at night to a pleasant 23°C (74°F) during the day. The month sees an average humidity of 86%, along with 64 mm (2.5 in) of precipitation over about 12 days. In contrast, December experiences much colder conditions, with temperatures plummeting to a minimum of -19°C (-1°F) and an average of -2°C (29°F). This month brings slightly more precipitation, approximately 66 mm (2.6 in) over 15 days, and higher humidity levels at 94%. For a more detailed look at the weather during December, you can visit Kopparberg weather in December.
As September settles in, Kopparberg experiences a notable shift in weather that sets it apart from the summer months. The temperatures drop significantly, with the warmest days yielding to a refreshing coolness, characterized by an average that hovers around 11°C. This month also welcomes increased rainfall, with nearly half of its days touching on precipitation, contributing to a higher humidity that reaches an enveloping 86%. The transition from the warm, dry days of summer to the crisp, damp atmosphere reflects the enchanting change of seasons in Kopparberg. For a deeper dive into the weather patterns that define this charming region, explore Kopparberg Climate.