September Weather in Vimmerby, Sweden

Last updated: August 27, 2025

September in Vimmerby, Sweden experiences a delightful transition into autumn, characterized by a maximum temperature peaking at 25°C (77°F) and a refreshing average of 12°C (55°F). As the days grow shorter, temperatures can dip to a brisk minimum of -1°C (31°F), reminding residents and visitors alike of the approaching chill. This month sees a total precipitation of 68 mm (2.7 in) spread over 10 days, contributing to the lush, vibrant landscapes typical of the region. With an average humidity level of 81%, the atmosphere can feel quite crisp, adding to the enchanting feel of late summer transitioning into fall. Embrace the cozy charm of Vimmerby as it basks in beautiful yet unpredictable weather.

September Temperature in Vimmerby

In September, Vimmerby, Sweden, begins to transition into autumn, showcasing a mix of lingering warmth and the first hints of cooler days. The temperatures typically range from a comfortable high of 25°C (77°F) to a brisk low of -1°C (31°F), with an average of 12°C (55°F) that invites both outdoor adventures and cozy indoor gatherings. This month marks a significant drop from the peak summer temperatures of August, reflecting the gradual shift in seasons. As the leaves start to turn, the pleasant days underscore September as a time of change, heralding the arrival of cooler weather while still offering some late-summer warmth.

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

The chart illustrates September temperature patterns in Vimmerby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vimmerby, 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).
JanFebMarAprMayJunJulAugSepOctNovDec323135425162636154463933
Data source: Temperature data for Vimmerby 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 Vimmerby

September in Vimmerby, Sweden, marks a transitional phase in the weather, with precipitation averaging 68 mm (2.7 in) over approximately 10 rainy days. This month experiences a notable decrease from the summer highs of August, which saw 85 mm (3.3 in) of rain across 12 days. However, September maintains a consistent moisture level that carries into October, which also registers 68 mm of precipitation. This steady rainfall suggests a shift towards a wetter autumn, while still allowing for occasional bright days. Overall, September serves as a poignant reminder of the changing seasons, blending the remnants of summer's moisture with the anticipated chill of fall.

September Precipitation Trends in Vimmerby

The chart displays monthly precipitation patterns in Vimmerby, 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 Vimmerby, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec394246316056798568684551
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Vimmerby

As September arrives in Vimmerby, Sweden, the humidity typically rises to 81%, marking a subtle but noticeable shift from the drier summer months. After consistently lower levels in June and July, where humidity dipped to 68%, the air begins to regain its moisture, signaling the transition from the warm, calm days of summer to the cooler ambience of autumn. This increase mirrors the gradual rise seen from early fall months leading into winter, contrasting sharply with January's typical 90% humidity. By understanding these trends, residents and visitors can anticipate September's refreshing air, perfect for enjoying the changing foliage amidst the charming landscapes of Vimmerby.

September Average Humidity in Vimmerby

This chart illustrates the average monthly humidity levels in Vimmerby, 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 Vimmerby is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%88%82%72%68%68%73%81%87%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Vimmerby

As summer fades into autumn, September in Vimmerby, Sweden, sees a noticeable drop in the UV Index, returning to a moderate level of 4. This change reflects a transition from the high UV exposure of the peak summer months, where indices reached 6 and 7, to a more temperate environment. Residents and visitors can expect a burn time of 30 minutes, allowing for safer outdoor activities as the days gradually shorten. This trend indicates a typical seasonal shift as the region heads towards the cooler months ahead. For more insights on UV levels throughout the year, check out Vimmerby UV Index.

Maximum UV Index Levels in Vimmerby for September

The chart shows the monthly maximum UV Index (UVI) for Vimmerby 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 Vimmerby typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567764211
Data source: Vimmerby 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 Vimmerby

In September, Vimmerby, Sweden, experiences a beautiful transition from the vibrant summer months to the crispness of autumn. With 289 hours of sunshine, this month still enjoys a generous amount of daylight compared to the dimming days ahead. Notably, sunshine hours peak during July and June, showcasing the region's lush, sun-drenched summer, while September remains a charming bridge, retaining considerable brightness yet beginning to hint at the cooler months to come. As the days grow shorter, the lingering warmth of early autumn remains inviting, making September a delightful time to experience Vimmerby’s enchanting landscapes.

Monthly Sunshine Duration in Vimmerby: September Highlighted

The September sunshine duration represents the total number of hours Vimmerby 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.
JanFebMarAprMayJunJulAugSepOctNovDec83h156h256h364h430h461h462h396h289h226h111h82h
Data source: Vimmerby September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vimmerby During September

As September approaches in Vimmerby, Sweden, the likelihood of enjoying sunny weather takes a dip, with only a 29% chance of sunshine. This trend reflects a gradual decline from the clearer skies typically seen in the summer months, where the chances hover around 36% in August and 40% in July. The overall pattern indicates a shift from the brighter conditions of late spring and early summer, with April and June showcasing the highest probabilities of sun at 47%, and 46%, respectively. As autumn begins to set in, the sunny days become more elusive, hinting that visitors might want to embrace the charm of Vimmerby’s cozy indoor attractions and picturesque fall scenery instead.

Percentage of Sunny Days in September in Vimmerby

The chart illustrates the percentage of sunny days in Vimmerby 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 Vimmerby experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%35%36%47%32%46%40%36%29%27%17%26%
Data source: Vimmerby September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vimmerby in September

As September arrives in Vimmerby, Sweden, the days begin to shorten, with daylight lasting approximately 12 hours. After enjoying the long summer days of 17 hours in June and July, the gradual decline becomes evident as August dips to 15 hours. This pattern continues as September signals the transition to autumn, where daylight hours decrease further to 10 hours in October. Overall, while September still offers a generous amount of light, it marks the beginning of a notable shift towards the shorter, darker days of winter, reminding us of the cyclical nature of seasons in this beautiful region.

Average Daylight Hours in Vimmerby for September

The chart illustrates the variation in daylight duration in Vimmerby throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 20m9h 25m11h 52m14h 23m16h 40m17h 56m17h 15m15h 10m12h 43m10h 14m7h 56m6h 39m
Data source: Vimmerby daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Vimmerby

As September unfolds in Vimmerby, Sweden, the wind carries a gentle whisper of transition, with an average speed of 3.4 m/s (8 mph). This modest increase from the summer months hints at the approach of autumn, as the balmy breezes of July and August give way to the crisp air typical of the changing season. Interestingly, the wind speeds remain relatively stable throughout the year, with a slight uptick as the temperatures cool—notably, October and November both mirror September's light gusts. The conditions foster a serene atmosphere, perfect for leisurely strolls while the landscape shifts into a vibrant tapestry of fall hues, inviting residents and visitors alike to embrace the subtle yet refreshing dynamics of nature.

Average September Wind Speed in Vimmerby

The chart displays monthly wind speed patterns in Vimmerby, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.63.93.92.72.82.93.33.4 m/s3.83.53.5
Data source: Vimmerby September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Vimmerby Compares to Other Months

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

September and January present striking contrasts in weather. In September, temperatures range from a chilly -1°C (31°F) at night to a pleasant 25°C (77°F) during the day, while the average sits at a mild 12°C (55°F). The month sees a moderate amount of rain, with 68 mm (2.7 in) falling over about 10 days, coupled with a humidity level of 81%. In contrast, January is marked by much colder conditions, where temperatures dip significantly to a minimum of -20°C (-3°F) and peak at just 10°C (50°F), averaging around 0°C (32°F). Precipitation is lower at 39 mm (1.5 in) across 8 days, yet humidity remains high at 90%. For detailed insights into January weather, visit Vimmerby weather in January.

September and February present stark contrasts in weather patterns. In September, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 25°C (77°F), with an average of 12°C (55°F). The month experiences 68 mm (2.7 in) of precipitation over approximately 10 days, accompanied by relatively high humidity at 81%. On the other hand, February brings more severe cold, with temperatures dipping to a low of -15°C (4°F) and peaking at 14°C (58°F), averaging around 0°C (31°F). The month is characterized by less precipitation, totaling 42 mm (1.7 in) over 9 days, but humidity is slightly higher at 89%. For a detailed look at February weather, visit Vimmerby weather in February.

The weather in September is generally warmer than in March, with average temperatures reaching around 12°C (55°F) compared to March's cool average of 2°C (36°F). September experiences a wider temperature range, peaking at 25°C (77°F), while the highest March temperature only reaches 19°C (66°F). In terms of precipitation, September is wetter, averaging 68 mm (2.7 in) over approximately 10 days, whereas March sees about 46 mm (1.8 in) with precipitation on 11 days. Although both months have high humidity, March's level is slightly higher at 88%, compared to September's 81%. For more details, visit Vimmerby weather in March.

In comparing the weather in September and April, we observe notable differences in temperatures and precipitation patterns. September boasts a milder minimum temperature of -1°C (31°F) and a comfortable average of 12°C (55°F), reaching a maximum of 25°C (77°F). In contrast, April starts off chillier, with minimum temperatures dropping to -10°C (15°F) and an average of only 5°C (42°F), though it can still reach the same maximum of 25°C (78°F) on warmer days. Additionally, September experiences higher precipitation levels at 68 mm (2.7 in) over approximately 10 days, compared to April's lighter rain totaling 31 mm (1.2 in) across 6 days. Both months have similar humidity levels, with September at 81% and April slightly higher at 82%. For more detailed information, visit Vimmerby weather in April.

In comparing the weather of September and May, a few notable differences emerge. September experiences slightly warmer temperatures, with an average of 12°C (55°F) and a maximum of 25°C (77°F), while May has a lower average of 11°C (52°F) and peaks at 28°C (82°F). Precipitation levels in both months are similar, but September tends to be wetter overall, receiving 68 mm (2.7 in) over approximately 10 days compared to May's 60 mm (2.4 in) over 13 days. Additionally, September is characterized by higher humidity at 81%, compared to May's more comfortable 72%. For a closer look at the specifics, you can refer to Vimmerby weather in May.

In comparing the weather of September and June, notable differences emerge in temperature and humidity. September typically experiences a cooler temperature range, with a minimum of -1°C (31°F) and an average of 12°C (55°F), while June enjoys milder conditions, with temperatures ranging from a minimum of 3°C (38°F) to an average of 17°C (62°F). Additionally, June can peak at a much warmer maximum of 33°C (91°F), compared to September's highest temperature of 25°C (77°F). Precipitation levels are relatively similar, with September receiving 68 mm (2.7 in) over 10 days versus June's 56 mm (2.2 in) across the same number of days. Humidity is also higher in September at 81%, compared to June’s 68%. For a deeper look into June's weather specifics, check out Vimmerby weather in June.

In comparing the weather between July and September, it is clear that July is typically warmer, with average temperatures reaching 17°C (63°F) and maximums hitting 31°C (89°F). In contrast, September experiences cooler temperatures, with averages around 12°C (55°F) and a maximum of 25°C (77°F). Additionally, July has lower humidity at 68%, while September's humidity is considerably higher at 81%. Precipitation is slightly lower in July, with 79 mm (3.1 in) over 11 days, compared to September's 68 mm (2.7 in) across 10 days. For more specific details on July weather, you can check Vimmerby weather in July.

When comparing the weather in September to that of August, we see noticeable differences in both temperature and precipitation patterns. September exhibits a wider temperature range, with minimums dropping to -1°C (31°F) and maximums reaching up to 25°C (77°F), resulting in an average of 12°C (55°F). In contrast, August is generally warmer, with minimum temperatures of 4°C (40°F) and maximums soaring to 32°C (90°F), leading to a higher average of 16°C (62°F). While September experiences 68 mm (2.7 in) of rainfall over about 10 days, August has slightly more precipitation at 85 mm (3.3 in) over 12 days. Additionally, September’s humidity is notably higher at 81%, compared to August's 73%. For a closer look at what to expect, you can check out Vimmerby weather in August.

In comparing the weather between September and October, we see a notable shift in temperatures and humidity levels. September boasts a milder average temperature of 12°C (55°F), with maximums reaching 25°C (77°F), while October experiences cooler conditions, with an average temperature of 8°C (47°F) and highs of 22°C (71°F). Precipitation levels remain consistent at 68 mm (2.7 in) for both months, but October sees an increase in rainy days, totaling 14 compared to September's 10. Additionally, humidity rises from 81% in September to 87% in October, contributing to a thicker, more autumnal atmosphere. For a detailed forecast, you can check Vimmerby weather in October.

When comparing the weather in September and November, notable differences emerge. September experiences a wider temperature range, with minimums around -1°C and maximums reaching up to 25°C, offering a pleasant average of 12°C. Though it sees more rainfall, totaling 68 mm over about 10 days, the humidity sits at a comfortable 81%. In contrast, November brings cooler temperatures, where the average dips to 4°C, with minimums plunging to -10°C and maximums peaking at 16°C. This month is drier than September, with only 45 mm of precipitation, yet the humidity is slightly higher at 89%. For further details about November's weather, you can visit Vimmerby weather in November.

September and December present stark contrasts in weather conditions. In September, temperatures range from a minimum of -1°C (31°F) to a maximum of 25°C (77°F), with an average temperature of 12°C (55°F). The month sees about 68 mm (2.7 in) of precipitation over 10 days, while humidity is relatively high at 81%. In comparison, December brings a much colder climate, featuring temperatures that drop as low as -20°C (-3°F) and hover around an average of 1°C (33°F), peaking at 9°C (49°F). The total precipitation decreases to 51 mm (2.0 in) but occurs over 14 days, leading to slightly higher humidity levels at 88%. For more detailed information, you can check Vimmerby weather in December.

Compare Vimmerby's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Vimmerby

As September unfolds in Vimmerby, the weather showcases a distinct transition into autumn. The days gradually cool, with temperatures dipping from summer highs, offering a mild average that contrasts sharply with the summer's warmth. While maximum temperatures can still rise to a pleasant 25°C, the minimums plummet to a brisk -1°C, marking a significant shift that compels us to layer up. Additionally, September brings a noticeable increase in precipitation, with nearly a third of the month experiencing rain, setting it apart from the drier conditions of summer. The humidity levels also rise, contributing to that quintessential autumn feel. For those interested in exploring the full range of Vimmerby’s climate phenomena, you can check more details at Vimmerby Climate.