September Weather in Svendborg, Denmark

Last updated: October 30, 2025

September in Svendborg, Denmark, showcases a delightful transition into autumn, with maximum temperatures peaking at 23°C (74°F) and a pleasant average of 15°C (60°F). The month experiences a cooler touch at night, with minimum temperatures dropping to 9°C (48°F). Rainfall is a notable aspect, with 77 mm (3.0 in) of precipitation spread over 12 days, contributing to the region's lush greenery. Additionally, the humidity level sits at a comfortable 83%, making September an inviting time to explore the picturesque landscapes of this charming coastal town.

September Temperature in Svendborg

As summer gently fades into autumn, September in Svendborg, Denmark offers a pleasant transition with temperatures that reflect the changing season. With a minimum of 9°C (48°F) and an average of 15°C (60°F), the month starts to feel crisper, yet the days still warm up, reaching a maximum of 23°C (74°F). This gradual cooling marks a significant shift from the balmy highs of August, providing a comfortable climate perfect for outdoor explorations. Residents and visitors alike can enjoy the beauty of early autumn, where the air carries a refreshing chill, inviting cozy layers while still allowing for warm afternoons. Overall, September serves as a beautiful bridge between the vibrancy of summer and the tranquility of fall in Svendborg.

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

The chart illustrates September temperature patterns in Svendborg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Svendborg, September typically has an average temperature of 15°C (60°F), with highs reaching up to 23°C (74°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec373739455361646559544641
Data source: Temperature data for Svendborg 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 Svendborg

In September, Svendborg experiences an average precipitation of 77 mm (3.0 in), marking a slight dip from the earlier month's 84 mm (3.3 in). This month sees rainfall on approximately 12 days, suggesting that while the summer's abundant showers begin to wane, rain is still a regular companion. As autumn approaches, the weather transitions, paving the way for October's increase in precipitation, which often brings heavier downpours. Overall, September serves as a bridge, maintaining a robust level of moisture while hinting at the forthcoming tempestuousness of fall in Denmark.

September Precipitation Trends in Svendborg

The chart displays monthly precipitation patterns in Svendborg, 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 Svendborg, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec6362673560567484771016376
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Svendborg

September in Svendborg, Denmark, brings a noticeable shift in humidity as it begins to transition from the summer's drier embrace. With humidity levels at 83%, September marks a slight increase compared to the consistent 77% seen during the warmer months of June, July, and August. This uptick signals the arrival of autumn, as the air becomes more saturated, yet it remains less humid than the peak winter months, where levels soar back to around 90% in January. The gradual decline from the year's high of 90% in January to September's moderate 83% is emblematic of the region's seasonal rhythm, bridging the gap between the warm and cold months with an inviting, if slightly damp, atmosphere.

September Average Humidity in Svendborg

This chart illustrates the average monthly humidity levels in Svendborg, 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 Svendborg is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%88%85%80%77%77%77%84%87%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Svendborg

In September, Svendborg, Denmark, experiences a moderate UV Index of 5, making it a time when sun exposure requires some precaution. With a burn time of approximately 30 minutes, this month signals a transition as summer wanes. Compared to the peak UV levels seen in June and July, which reached very high and high respectively, September offers a slight reprieve. However, it still demands attention, particularly after the strong sunlight of summer. As the leaves begin to change, it's an ideal time to enjoy the outdoors while remaining mindful of UV rays. For more detailed information on UV levels throughout the year, check Svendborg UV Index.

Maximum UV Index Levels in Svendborg for September

The chart shows the monthly maximum UV Index (UVI) for Svendborg 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 Svendborg typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568765321
Data source: Svendborg 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 Svendborg

In Svendborg, Denmark, September shines with an impressive 317 hours of sunshine, marking the end of summer but still providing generous daylight for outdoor enjoyment. This month showcases a notable decline from the peak of 443 hours in July, yet it remains a robust counterpart to the late-summer months. The sunlight in September begins to wane as the year transitions into autumn, with October trailing at 251 hours, indicating a steady decrease in brightness. Such trends highlight the allure of September—offering a splendid blend of warm days and cool breezes, making it a perfect time to soak in the last rays of summer before the darker months arrive. As autumn approaches, the golden hues of the landscape take center stage, inviting locals and visitors alike to revel in the beauty of Svendborg's charm.

Monthly Sunshine Duration in Svendborg: September Highlighted

The September sunshine duration represents the total number of hours Svendborg 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h187h253h368h418h434h443h403h317h251h157h119h
Data source: Svendborg September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Svendborg During September

In Svendborg, Denmark, the chance of sunny weather in September stands at a modest 31%, reflecting a transitional period as summer fades into fall. This likelihood is a slight drop from the preceding summer months, where July and August offered 34% and 38% chances respectively. Interestingly, after a peak in April at 53%, the sun's presence tends to wane, resulting in a more tempered atmosphere during September. However, with a better chance of sunshine compared to the colder months ahead, September still holds promise for those seeking a few more rays before winter sets in.

Percentage of Sunny Days in September in Svendborg

The chart illustrates the percentage of sunny days in Svendborg 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 Svendborg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%25%38%53%28%36%34%38%31%28%16%23%
Data source: Svendborg September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Svendborg in September

As summer gently transitions into autumn, September in Svendborg, Denmark offers a delightful balance of daylight, basking in approximately 12 hours of sunlight. This month marks a notable shift from the sun-drenched days of summer, where daylight peaked at 17 hours in June. Following the vibrant hues of August's 14 hours, September's gradual decrease sets the stage for the coming months. The daylight hours continue to dwindle, leading into October's 10 hours, revealing a trend of diminishing light as the year progresses. This gradual dance between light and dark not only reflects the changing seasons but also invites residents and visitors alike to savor the richness of early fall days before winter's approach.

Average Daylight Hours in Svendborg for September

The chart illustrates the variation in daylight duration in Svendborg throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 50m9h 40m11h 53m14h 9m16h 10m17h 16m16h 41m14h 51m12h 39m10h 24m8h 21m7h 14m
Data source: Svendborg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Svendborg

As September unfolds in Svendborg, Denmark, the average wind speed reflects a gentle ease, clocking in at 5.6 m/s (12 mph). This slight dip from the summer months is indicative of the transition into autumn. Notably, September's winds are reminiscent of June's calmer breezes yet offer a steady reminder of what lies ahead. In contrast, the months of October and November introduce a surge, with wind speeds stepping up to 7.1 m/s (16 mph) and 6.4 m/s (14 mph) respectively. This trend highlights a seasonal shift, as the cooling air prepares to dance with increasing vigor across Svendborg's scenic landscapes. The rhythms of wind serve not only as a guide for the changing seasons but also as an invitation to embrace the beauty of this vibrant coastal town.

Average September Wind Speed in Svendborg

The chart displays monthly wind speed patterns in Svendborg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.66.75.85.95.84.65.66.25.6 m/s7.16.46.8
Data source: Svendborg September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Svendborg Compares to Other Months

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

September weather is characterized by milder temperatures, ranging from a minimum of 9°C (48°F) to a maximum of 23°C (74°F), with an average of 15°C (60°F). This month sees a fair amount of precipitation, totaling 77 mm (3.0 in) over 12 days, and the humidity hovers at 83%. In contrast, January brings the cold of winter, with temperatures dropping significantly, ranging from a minimum of -8°C (18°F) to a maximum of just 10°C (50°F), averaging 3°C (38°F). Although January has slightly less precipitation at 63 mm (2.5 in) across 13 days, it is marked by higher humidity at 90%. For more detailed insights on the conditions in January, you can check Svendborg weather in January.

September and February present quite contrasting weather conditions. In September, temperatures range from a mild 9°C (48°F) at night to a pleasant average of 15°C (60°F) during the day, peaking at 23°C (74°F). The month sees about 77 mm (3.0 in) of precipitation over 12 days, with humidity levels at 83%. In stark contrast, February is notably colder, with nighttime lows of -7°C (20°F) and an average temperature of just 3°C (37°F), reaching a maximum of 11°C (51°F). This month also experiences about 62 mm (2.4 in) of precipitation over the same number of days, but the humidity is slightly higher at 89%. For more detailed insights, check Svendborg weather in February.

September and March present quite contrasting weather conditions. In September, temperatures range from a minimum of 9°C (48°F) to a maximum of 23°C (74°F), creating a mild and pleasant atmosphere with an average temperature of 15°C (60°F). However, it does come with a fair amount of rainfall, totaling 77 mm (3.0 in) over about 12 days, and humidity levels hover around 83%. In contrast, March experiences colder temperatures with a minimum of -6°C (21°F) and an average of only 4°C (39°F), peaking at 11°C (53°F). Despite slightly less precipitation at 67 mm (2.6 in) over the same number of rainy days, the humidity is higher at 88%. For more detailed information on the weather during this month, you can check Svendborg weather in March.

In comparing the weather between September and April, September generally offers milder temperatures, with a minimum of 9°C (48°F) and an average of 15°C (60°F), peaking at 23°C (74°F). In contrast, April experiences cooler temperatures, ranging from a minimum of 0°C (32°F) to an average of 7°C (45°F) and a maximum of 16°C (61°F). Additionally, September sees more rainfall, totaling 77 mm (3.0 in) over 12 days compared to April's 35 mm (1.4 in) over just 7 days. Humidity levels are relatively high in both months, with September at 83% and April slightly higher at 85%. For a detailed look at weather conditions, you can visit Svendborg weather in April.

September and May present distinct weather characteristics, with September being notably warmer and slightly wetter than May. In September, temperatures range from a mild 9°C (48°F) at night to a comfortable 23°C (74°F) during the day, accompanied by an average humidity of 83%. This month experiences approximately 77 mm (3.0 in) of rainfall over about 12 days. In contrast, May sees cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 20°C (69°F), along with an average humidity of 80%. Rainfall in May is less intense, measuring around 60 mm (2.4 in) over 9 days. For a more detailed look at the weather in May, you can check Svendborg weather in May.

When comparing the weather in September and June, one can observe some notable differences. September generally features a slightly broader temperature range, with minimums at 9°C (48°F), average temperatures of 15°C (60°F), and maximums reaching 23°C (74°F). In contrast, June has a minimum temperature of 10°C (50°F), with averages around 16°C (62°F) and maximums peaking at 24°C (75°F).

Precipitation levels also show variation; September receives about 77 mm (3.0 in) over approximately 12 days, whereas June has less precipitation, totaling around 56 mm (2.2 in) across 9 days. Additionally, humidity levels are somewhat higher in September at 83%, compared to June's 77%. For more detailed information on June weather specifics, you can check Svendborg weather in June.

September weather in Svendborg features cooler temperatures, with a minimum of 9°C (48°F) and an average temperature of 15°C (60°F), compared to July's warmer conditions, which see a minimum of 11°C (52°F) and an average of 18°C (64°F). While September reaches a maximum of 23°C (74°F), July can get a bit hotter, peaking at 26°C (78°F). Precipitation levels are relatively similar, with September receiving 77 mm (3.0 in) over 12 days compared to July's 74 mm (2.9 in) over 13 days. Humidity is slightly higher in September at 83%, compared to July’s 77%, indicating that the latter month feels a bit more comfortable. For a more detailed look at July weather, you can visit Svendborg weather in July.

In comparing the weather between August and September, one can note a noticeable drop in temperature as September experiences a minimum of 9°C (48°F) and an average of 15°C (60°F), compared to August's more temperate minimum of 13°C (55°F) and average of 18°C (65°F). While both months showcase a fair amount of rainfall, September's precipitation totals 77 mm (3.0 in) across 12 days, which is slightly lower than August's 84 mm (3.3 in) over 14 days. Additionally, September's humidity reaches 83%, indicating a more moist atmosphere compared to August's 77%. For a more detailed look at August weather patterns, you can refer to Svendborg weather in August.

In September, the weather begins to cool down, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 23°C (74°F). The month experiences approximately 77 mm (3.0 in) of precipitation over 12 days, with humidity levels at 83%. In contrast, October brings even cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 18°C (65°F), averaging 12°C (54°F). This month sees an increase in rainfall, with 101 mm (4.0 in) over 17 days, and humidity rising slightly to 87%. For more specific weather details in October, you can check Svendborg weather in October.

In comparing the weather of September and November, we observe a significant drop in temperatures. September boasts a mild average of 15°C (60°F), with maximum highs reaching 23°C (74°F), while November's average plummets to a cooler 8°C (47°F) and maxes out at 16°C (61°F). Precipitation levels show a slight decrease in November, with 63 mm (2.5 in) accumulated over 15 days compared to September's 77 mm (3.0 in) over 12 days. Humidity also rises marginally from 83% in September to 89% in November, contributing to a generally cooler and wetter feel as the autumn months progress. For a more detailed look at the specific weather patterns, you can check Svendborg weather in November.

September and December weather in Svendborg exhibit distinct differences. In September, temperatures are milder, with a minimum of 9°C (48°F), averaging 15°C (60°F), and peaking at 23°C (74°F), while December sees a significant drop, with minimum temperatures reaching -4°C (25°F) and a chilly average of 5°C (41°F), maxing out at just 10°C (49°F). Precipitation levels are similar, with 77 mm (3.0 in) in September over 12 days and slightly lower in December at 76 mm (3.0 in) across 16 days, though December is marked by higher humidity at 88% compared to 83% in September. For more detailed insights, visit Svendborg weather in December.

Compare Svendborg's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Svendborg

As September unfolds in Svendborg, the weather takes on a unique character, transitioning from the warmth of summer to the coolness of autumn. With average temperatures settling around a comfortable 15°C (60°F), this month brings a refreshing change compared to the hotter summer months. While the occasional warmth can still reach 23°C (74°F), the cool breezes usher in a pleasant atmosphere ideal for outdoor exploration. Precipitation becomes more frequent, with rain making an appearance on about 12 days, contributing to the lush greenery of the landscape. The high humidity at 83% often lends a crispness to the air, making September a beautifully dynamic time to visit. For a detailed exploration of what to expect throughout the year, check out Svendborg Climate.