September Weather in Linkoeping, Sweden

Last updated: August 27, 2025

In September, Linköping, Sweden experiences a diverse blend of weather, with temperatures ranging from a comfortable maximum of 25°C (77°F) to a brisk minimum of -1°C (31°F). The average temperature settles around 13°C (55°F), providing a mild backdrop for the transition into autumn. September is marked by 73 mm (2.9 in) of precipitation, occurring over approximately 11 days, which contributes to a humidity level of 83%. This mix of cool temperatures and frequent rainfall creates a refreshing atmosphere, highlighting the beauty of Sweden's changing seasons.

September Temperature in Linkoeping

As September unfolds in Linköping, Sweden, temperatures begin to transition into the crisp embrace of autumn. With nighttime lows dipping to -1°C (31°F), the chill of fall is unmistakable, yet the days still offer a warm average of 13°C (55°F), occasionally reaching a pleasant maximum of 25°C (77°F). This month marks a pivotal shift from the summer's peak warmth, where August saw highs of 34°C (94°F), to a more temperate climate, suggesting that cozy sweaters and warm drinks are on the horizon. The gradual decline in temperature signals nature's change, making September a compelling blend of lingering summer vibes and the early whispers of autumn.

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

The chart illustrates September temperature patterns in Linkoeping, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Linkoeping, 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).
JanFebMarAprMayJunJulAugSepOctNovDec323135425262646255473934
Data source: Temperature data for Linkoeping 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 Linkoeping

In Linköping, Sweden, September marks a notable transition in precipitation patterns, with a total of 73 mm (2.9 in) of rainfall recorded over 11 days. This amount represents an increase from the summer months, showcasing September's role as a bridge between the warm and wet conditions of August, which saw 69 mm (2.7 in), and the cooler, drier months ahead. As autumn arrives, the frequency of rainy days remains relatively stable, mirroring August's more humid atmosphere. This trend underscores the gradual shift in the region's climate, as longer and wetter spells give way to the crispness of fall, setting the stage for the impending colder months.

September Precipitation Trends in Linkoeping

The chart displays monthly precipitation patterns in Linkoeping, 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 Linkoeping, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec363547315958656973714849
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Linkoeping

In Linköping, Sweden, September ushers in a noticeable shift in humidity levels, settling at 83%. This marks a slight increase from the drier summer months of June (69%) and July (67%), as the air begins to retain more moisture ahead of the autumn season. As temperatures cool and the leaves change, one can observe a transition from the lower humidity of the summer months to the more consistent dampness that characterizes the later part of the year. Following September, humidity levels rise again, climaxing at 91% in November and December, creating a vivid contrast to the comparatively dry late spring and summer periods. This fluctuation highlights the dynamic climate of Linköping, where each month brings a distinct atmospheric profile.

September Average Humidity in Linkoeping

This chart illustrates the average monthly humidity levels in Linkoeping, 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 Linkoeping is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%88%82%71%69%67%73%83%89%91%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Linkoeping

In September, Linkoeping experiences a UV Index of 4, marking a shift towards the moderate exposure category. As summer fades, this level suggests that while the sun is still inviting, it's essential to be mindful of potential overexposure. With a burn time of just 30 minutes, outdoor enthusiasts should consider protective measures for their skin during midday ventures. This gradual decrease from the high indices of the peak summer months reflects the waning intensity of sunlight, making September a transitional month in Linkoeping's UV landscape. For detailed insights into UV levels throughout the year, check out Linkoeping UV Index.

Maximum UV Index Levels in Linkoeping for September

The chart shows the monthly maximum UV Index (UVI) for Linkoeping 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 Linkoeping typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457764211
Data source: Linkoeping 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 Linkoeping

In Linköping, Sweden, September marks the beginning of the gradual descent into shorter days, offering 293 hours of sunlight. This month stands out with significantly more daylight compared to the winter months, as it follows the sun-drenched summer peak of 467 hours in July. Although September's sunshine is less than the vibrant summer months, it still provides a warm, golden glow, making it a beautiful transition period. The daylight gradually wanes as autumn approaches, with October trailing at 224 hours. This decline in sunshine invites a cozy atmosphere, perfectly suited for embracing indoor gatherings and enjoying the splendor of fall foliage, while lingering traces of summer's brightness remind us of the sunny days just past.

Monthly Sunshine Duration in Linkoeping: September Highlighted

The September sunshine duration represents the total number of hours Linkoeping 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.
JanFebMarAprMayJunJulAugSepOctNovDec78h158h258h365h434h465h467h405h293h224h115h81h
Data source: Linkoeping September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Linkoeping During September

In Linköping, Sweden, September showcases a transition in weather patterns as summer yields to autumn, reflected by a 29% chance of sunny days. This decrease in sunlit hours follows the peak summer months, where sun probabilities hover around 43-48%. September’s figures suggest a softer start to fall, with cloudier skies beginning to dominate the landscape. As the days grow shorter and the temperatures dip, residents can expect an inviting blend of mild afternoons mixed with the occasional streak of sunlight, marking the gradual shift into the cozy embrace of autumn.

Percentage of Sunny Days in September in Linkoeping

The chart illustrates the percentage of sunny days in Linkoeping 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 Linkoeping experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%39%36%48%33%48%43%38%29%28%20%31%
Data source: Linkoeping September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Linkoeping in September

As September rolls in, Linköping experiences a transition from the long, sunlit days of summer to the steadily diminishing daylight of autumn. With approximately 12 hours of daylight, September marks a gentle decline from the 15 hours experienced in August, while still offering a generous amount of sunshine compared to the upcoming months. This month serves as a bittersweet reminder of the vivid summer days, as the daylight hours gradually shrink towards October's 10 hours and November's 7 hours. Overall, September captures the essence of change, bridging the vibrant warmth of summer to the cooler embrace of fall.

Average Daylight Hours in Linkoeping for September

The chart illustrates the variation in daylight duration in Linkoeping throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 9m9h 19m11h 52m14h 28m16h 51m18h 11m17h 28m15h 16m12h 44m10h 10m7h 47m6h 25m
Data source: Linkoeping daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Linkoeping

As September unfolds in Linköping, Sweden, the breeze begins to whisper tales of autumn with an average wind speed of 3.5 m/s (8 mph). This marks a gentle increase from the summer months, where winds were notably calmer, averaging 2.8 m/s (6 mph) in June and July. Comparatively, September's winds mirror those of February and November, creating a delightful transition into the cooler season. As the days grow shorter and leaves begin to change, the dynamic and refreshing September winds invigorate the atmosphere, paving the way for the crisp, more robust gusts of October. This subtle rise in wind speed offers a glimpse into nature's preparations for the coming fall, inviting residents and visitors alike to embrace the breezy charm of Linköping.

Average September Wind Speed in Linkoeping

The chart displays monthly wind speed patterns in Linkoeping, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.53.93.82.82.83.03.23.5 m/s4.03.53.4
Data source: Linkoeping September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Linkoeping Compares to Other Months

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

In September, temperatures in Linköping range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 25°C (77°F), with an average of 13°C (55°F). The month experiences about 73 mm (2.9 in) of precipitation spread over 11 days, and humidity is relatively high at 83%. In contrast, January brings much colder weather, with temperatures dropping to lows of -20°C (-3°F) and peaking at a maximum of just 10°C (50°F), averaging around 0°C (32°F). Precipitation is lower, at 36 mm (1.4 in) over 8 days, but humidity rises slightly to 91%. For more details, check out the Linkoeping weather in January.

September and February present stark contrasts in weather patterns. In September, temperatures range from a minimum of -1°C (31°F) to a pleasant maximum of 25°C (77°F), with an average of 13°C (55°F). This month experiences relatively moderate precipitation at 73 mm (2.9 in) over 11 days, combined with a humidity level of 83%. In contrast, February brings much colder conditions, featuring temperatures that drop as low as -16°C (3°F) and maxing out at 13°C (55°F), with an average temperature of 0°C (31°F). The month is drier overall, with only 35 mm (1.4 in) of precipitation across 9 days and a slightly higher humidity of 89%. For more details on February weather, check Linkoeping weather in February.

When comparing the weather in September and March, distinct differences emerge. September generally offers milder temperatures, with an average of 13°C (55°F) compared to March's chilly average of just 2°C (36°F). While September can reach a pleasant maximum of 25°C (77°F), March only peaks at 17°C (62°F). Precipitation levels are higher in September, with 73 mm (2.9 in) over 11 days, while March sees less rainfall at 47 mm (1.8 in) over the same number of days. Humidity is slightly more pronounced in March, recorded at 88% compared to September’s 83%. For a more detailed look at March weather in Linköping, visit Linkoeping weather in March.

When comparing the weather in September and April, notable differences emerge. September generally offers milder temperatures, with averages around 13°C (55°F), while April is cooler, averaging just 6°C (42°F). However, both months can reach a maximum of 25°C (77°F) on warmer days. Precipitation in September is also more prevalent, with 73 mm (2.9 in) expected over 11 days, compared to a lighter 31 mm (1.2 in) spread across 7 days in April. Humidity levels remain relatively similar, at 83% in September and 82% in April. For a deeper look into what to expect during this spring month, check out Linkoeping weather in April.

In September, the weather in Linköping typically features a broader temperature range, with minimums around -1°C (31°F) and maximums reaching up to 25°C (77°F). This month also experiences higher humidity at 83%, along with approximately 73 mm (2.9 in) of precipitation over 11 days. In contrast, May sees slightly cooler temperatures, with minimums of -2°C (28°F) and maximums climbing to 28°C (83°F), marked by lower humidity at 71% and less precipitation at 59 mm (2.3 in), also over 11 days. For a closer look at the specifics of May's weather, you can check out Linkoeping weather in May.

When comparing the weather in September and June, we observe notable differences in temperature and humidity. September boasts a broader temperature range, with a minimum of -1°C (31°F) and a maximum of 25°C (77°F), averaging around 13°C (55°F). In contrast, June typically presents warmer conditions, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 31°C (89°F), and an average temperature of 17°C (63°F). June also experiences less precipitation, totaling 58 mm (2.3 in) over about 10 days, compared to September’s 73 mm (2.9 in) across 11 days. Additionally, the humidity in September is noticeably higher at 83%, while June enjoys a more comfortable 69%. For more detailed information, you can check Linkoeping weather in June.

When comparing the weather between July and September, notable differences emerge in temperature and humidity levels. July typically showcases warmer temperatures, with an average of 18°C (64°F) and maximums reaching up to 33°C (91°F), while September experiences cooler conditions, averaging 13°C (55°F) and peaking at 25°C (77°F). Additionally, July boasts lower humidity at 67%, compared to September's higher humidity of 83%, which contributes to a more comfortable feel in the earlier summer month. Precipitation is also slightly less in July, totaling 65 mm over 10 days, in contrast to September's 73 mm over 11 days. For a detailed look at the July weather specifics, you can refer to Linkoeping weather in July.

In comparing the weather of September and August, we observe notable differences in temperature and humidity. September typically experiences cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 25°C (77°F), giving an average of 13°C (55°F). In contrast, August boasts warmer conditions, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 34°C (94°F), averaging 17°C (62°F). While precipitation levels are somewhat similar, September receives slightly more at 73 mm (2.9 in) over 11 days, compared to August's 69 mm (2.7 in) over 13 days. Additionally, September has a higher humidity level at 83%, while August's humidity sits at 72%. For a detailed look at August's weather, visit Linkoeping weather in August.

In September, temperatures range from a minimum of -1°C (31°F) to a maximum of 25°C (77°F), with an average of 13°C (55°F). The month experiences around 73 mm (2.9 in) of precipitation over 11 days, and humidity levels are relatively high at 83%. By contrast, October sees cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 21°C (71°F), leading to an average of 8°C (47°F). Despite slightly lower total precipitation at 71 mm (2.8 in) across 13 days, humidity rises to 89%, creating a noticeably damp atmosphere. For a detailed look at October's weather patterns, you can visit Linkoeping weather in October.

September marks a transition into cooler weather, with temperatures ranging from a chilly minimum of -1°C to a pleasant maximum of 25°C. Average temperatures hover around 13°C, while humidity is relatively high at 83%, contributing to an overall sensation of freshness. In contrast, November ushers in more pronounced cold, with temperatures dropping to a minimum of -10°C and an average of just 4°C, with a maximum of 16°C. While November sees slightly less precipitation at 48 mm over 10 days, the humidity rises to 91%, creating a damp atmosphere. For a detailed overview of conditions in November, you can check Linkoeping weather in November.

In September, the weather is generally mild, with temperatures ranging from a low of -1°C (31°F) to a high of 25°C (77°F), averaging around 13°C (55°F). With 73 mm (2.9 in) of precipitation spread over 11 days and humidity at 83%, the month feels quite pleasant but can be somewhat damp.

In contrast, December brings significantly colder temperatures, with lows dipping to -16°C (3°F) and an average of just 1°C (34°F), peaking at 10°C (50°F). Although precipitation decreases to 49 mm (1.9 in) over 13 days, the humidity rises to 90%, making the air feel even colder. For more detailed information on December weather, you can visit Linkoeping weather in December.

Compare Linkoeping's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Linkoeping

As September rolls into Linköping, the weather begins to shift noticeably from the warmth of summer. With average temperatures dipping to a brisk 13°C, this month invites a refreshing change, contrasting sharply with the peak summer warmth. The likelihood of rain increases, often making for 11 rainy days, contributing to a total precipitation of 73 mm. The high humidity level of 83% adds to the autumnal chill, emphasizing the transition to cooler months ahead. For those looking to understand the unique climate characteristics of this enchanting Swedish town, visit Linkoeping Climate.