September Weather in Helsingborg, Sweden

Last updated: August 27, 2025

September in Helsingborg, Sweden offers a delightful transition into autumn, with temperatures ranging from a pleasant maximum of 26°C (80°F) to a cooler minimum of 2°C (36°F). The average temperature sits comfortably at 14°C (57°F), providing a refreshing backdrop for outdoor activities. Despite the beauty of early fall, the month experiences 77 mm (3.0 in) of rainfall over 13 days, contributing to a humid atmosphere with 82% humidity. Whether you're enjoying a stroll by the coast or exploring local attractions, September in Helsingborg is a vivid blend of mild warmth and the refreshing onset of fall.

September Temperature in Helsingborg

In September, Helsingborg, Sweden, begins to transition from the warmth of summer to the cool embrace of autumn. With minimum temperatures hovering around 2°C (36°F) and average highs reaching a comfortable 26°C (80°F), the month offers a delightful blend of mild weather. The average temperature of 14°C (57°F) showcases a significant drop from the peak summer months, yet it retains a pleasant warmth that encourages outdoor exploration. As daylight begins to wane, the crispness in the air hints at the coming change of seasons, inviting both locals and travelers to enjoy the last vestiges of summer before autumn’s arrival.

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

The chart illustrates September temperature patterns in Helsingborg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Helsingborg, 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).
JanFebMarAprMayJunJulAugSepOctNovDec363538455362646357504337
Data source: Temperature data for Helsingborg 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 Helsingborg

In September, Helsingborg experiences a notable shift as summer gives way to autumn, reflected in its 77 mm (3.0 in) of precipitation over 13 days. This amount marks a decrease from the wetter months of July and August, which saw 85 mm and 98 mm respectively. However, September still maintains a robust level of rainfall, setting the stage for the crisp, rainy days of fall. As the city's landscape transforms, the consistent precipitation helps nourish the vibrant colors of the season, creating a beautiful backdrop that encapsulates the charm of Northern Europe. This trend of increasing rainfall peaks in August and a gradual decline into October, suggests a characteristic pattern of wetter summers giving way to a moderately rainy autumn in Helsingborg.

September Precipitation Trends in Helsingborg

The chart displays monthly precipitation patterns in Helsingborg, 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 Helsingborg, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec515566376450859877904564
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Helsingborg

September in Helsingborg, Sweden, experiences a relatively mild humidity level of 82%, slightly higher than the summer months but consistent with the gradual transition into autumn. This marks a subtle shift from the drier August, where humidity dropped to 80%. The year's humidity trend shows a general decline from the peak winter months, with January and February consistently hovering around 87-88%. As the seasons change, fall brings a moderate increase, hinting at the return of more moisture-laden air as the city prepares for the cooler months ahead. Overall, the September humidity reflects Helsingborg's characteristic maritime climate, blending the remnants of summer warmth with the crisp onset of autumn.

September Average Humidity in Helsingborg

This chart illustrates the average monthly humidity levels in Helsingborg, 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 Helsingborg is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%87%85%82%81%82%80%82%85%85%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Helsingborg

As September unfolds in Helsingborg, Sweden, the UV Index registers a moderate level of 5, signaling a transition from the high summer months but still urging some caution. With a burn time of just 30 minutes, this month offers a pleasant outdoor experience while reminding sun enthusiasts to remain vigilant. Following the peak UV readings of 6 and 7 in July and August, September’s slight dip indicates a gradual change in the sun’s intensity, aligning with the onset of autumn. This trend showcases the importance of adapting sun safety practices as the seasons shift. For more detailed insights on UV exposure, visit Helsingborg UV Index.

Maximum UV Index Levels in Helsingborg for September

The chart shows the monthly maximum UV Index (UVI) for Helsingborg 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 Helsingborg typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Helsingborg 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 Helsingborg

As summer gently fades into autumn, September in Helsingborg, Sweden, offers a delightful transition marked by 314 hours of sunshine. This month captures the essence of lingering warmth, showcasing a significant drop from the peak of 458 hours in June and 453 hours in July, yet still standing out against the diminishing light of the cooler months ahead. The gradual decline in daylight hours from the radiant heights of late spring and summer becomes a gentle reminder of nature's cyclical dance, as September's sunshine ushers in a cozy ambiance, perfect for enjoying the beauty of the city before October brings further reductions to a crisp 243 hours. Revel in this sweet spot of sunshine, where the golden hues of early autumn can still be savored before winter sets in.

Monthly Sunshine Duration in Helsingborg: September Highlighted

The September sunshine duration represents the total number of hours Helsingborg 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.
JanFebMarAprMayJunJulAugSepOctNovDec96h186h261h377h433h458h453h409h314h243h144h112h
Data source: Helsingborg September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Helsingborg During September

In Helsingborg, Sweden, September marks a transitional period as summer begins to wane. With a 29% chance of sunny weather, the likelihood of basking in the sun is notably lower than the preceding warmer months of April (53%) and June (45%), but remains on par with the somewhat gloomy October (26%). This drop in sunshine is reflective of the shift from summer vibrancy to autumn's cool embrace. Comparatively, the trend suggests that as the year progresses from the bright days of July and August, residents and visitors can expect a gradual leaning towards cloudier skies, making September a month where sunny spells can be cherished but aren't guaranteed.

Percentage of Sunny Days in September in Helsingborg

The chart illustrates the percentage of sunny days in Helsingborg 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 Helsingborg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%37%34%53%29%45%34%36%29%26%14%21%
Data source: Helsingborg September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Helsingborg in September

As summer fades into autumn, September in Helsingborg, Sweden, offers a gentle transition with an average of 12 hours of daylight. This marks a noticeable decline from the peak of 17 hours in June, but it still provides ample time to enjoy the vibrant hues of early fall. Following the exuberance of longer days in late summer, daylight gradually diminishes, with October promising only 10 hours. The shift from the bright, lively months of May and June to the softer light of September illustrates the natural rhythm of the year, as nature prepares for the quieter, darker months ahead. This changing light not only influences daily life but also enriches the stunning landscapes typical of the region during this beautiful time of year.

Average Daylight Hours in Helsingborg for September

The chart illustrates the variation in daylight duration in Helsingborg throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 39m9h 35m11h 53m14h 14m16h 21m17h 30m16h 53m14h 58m12h 41m10h 20m8h 12m7h 1m
Data source: Helsingborg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Helsingborg

As September unfolds in Helsingborg, Sweden, the gentle breeze brings a welcome transition from summer to autumn, with an average wind speed of 3.6 m/s (8 mph). This slight dip from August's 4.0 m/s reflects a calming trend as the year progresses. Prior months, like May and June, demonstrated even lighter winds, suggesting a seasonal lull that now gives way to a brisker October at 4.6 m/s. Interestingly, September's winds are part of a broader pattern where the latter months of the year typically experience stronger gusts, culminating in resilient breezes by November. This natural ebb and flow of wind speed not only marks the changing seasons but also enhances the charming coastal atmosphere of Helsingborg, inviting residents and visitors alike to savor the refreshing air.

Average September Wind Speed in Helsingborg

The chart displays monthly wind speed patterns in Helsingborg, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.04.24.24.33.73.43.44.03.6 m/s4.64.44.0
Data source: Helsingborg September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Helsingborg Compares to Other Months

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

September and January present stark contrasts in weather conditions. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 26°C (80°F), with an average of 14°C (57°F), making it a relatively mild month. The humidity sits at a comfortable 82%, and the region experiences around 77 mm (3.0 in) of precipitation over approximately 13 days. In contrast, January is considerably colder, with temperature fluctuations between a minimum of -14°C (8°F) and a maximum of 11°C (52°F), resulting in an average of just 2°C (36°F). While precipitation is less frequent, at 51 mm (2.0 in) over about 11 days, humidity rises slightly to 87%, contributing to the biting chill. For more details, check out the Helsingborg weather in January.

September and February present contrasting weather patterns, reflecting the transition from late summer to the depths of winter. In September, temperatures range from a mild 2°C (36°F) at night to a warm 26°C (80°F) during the day, with an average of 14°C (57°F). There’s also notable humidity at 82% and about 77 mm (3.0 in) of precipitation over 13 days. In contrast, February is much colder, with nighttime lows dipping to -12°C (11°F) and daytime highs only reaching up to 14°C (57°F). The average temperature sits at 2°C (36°F), with lower precipitation at 55 mm (2.2 in) over 11 days, yet humidity is slightly higher at 88%. For more details, check out Helsingborg weather in February.

In September, temperatures in Helsingborg typically range from a cool 2°C (36°F) at night to a pleasant maximum of 26°C (80°F) during the day, with an average of 14°C (57°F). The month sees around 77 mm (3.0 in) of rainfall over approximately 13 days, leading to a relative humidity of 82%. In stark contrast, March experiences colder conditions, with minimum temperatures dropping to -11°C (12°F) and a daytime maximum of 16°C (60°F), averaging just 3°C (38°F). The precipitation is slightly lower at 66 mm (2.6 in) over 12 days, although the humidity is higher at 87%. For a more detailed comparison, you can check out Helsingborg weather in March.

When comparing the weather in September and April, it becomes evident that September generally offers milder temperatures, with average highs reaching up to 26°C (80°F), while April's temperatures peak at a modest 24°C (75°F). However, April experiences cooler nights, with minimum temperatures dropping to -7°C (20°F), compared to September's minimum of 2°C (36°F). Precipitation levels are lower in April, with just 37 mm (1.4 in) over 8 days, versus 77 mm (3.0 in) over 13 days in September. Both months have high humidity levels, with April slightly higher at 85% compared to September's 82%. For a more detailed look at April weather, you can check Helsingborg weather in April.

September and May exhibit distinct weather patterns, characterized by their temperature ranges and precipitation levels. In September, temperatures fluctuate between a minimum of 2°C (36°F) and a maximum of 26°C (80°F), with an average of 14°C (57°F). The month sees about 77 mm (3.0 in) of precipitation across 13 days, maintaining a consistent humidity level of 82%. In contrast, May presents a slightly cooler climate, featuring temperatures from a minimum of -2°C (29°F) to a maximum of 28°C (83°F), averaging 12°C (53°F). The precipitation in May is lower, totaling 64 mm (2.5 in) across the same number of rainy days, while humidity remains at 82%. For more detailed insights, you can check Helsingborg weather in May.

In comparing the weather of September and June, one can observe notable differences in temperature and precipitation. September generally has a wider temperature range, with minimums reaching as low as 2°C (36°F) and maximums peaking at 26°C (80°F), resulting in an average temperature of 14°C (57°F). The month also sees increased rainfall, accumulating to 77 mm over approximately 13 days, and a relative humidity of 82%. In contrast, June is warmer with minimum temperatures around 7°C (45°F) and maximums of 30°C (86°F), yielding a more pleasant average of 17°C (63°F). Rainfall is lighter in June, totaling 50 mm over 8 days, and humidity remains slightly lower at 81%. For a more detailed look at June weather specifics, you can check Helsingborg weather in June.

September and July experience distinct weather patterns, with July typically being warmer than September. In July, the average temperature reaches around 18°C (64°F), with highs of up to 31°C (89°F), making it the warmest month of the year. In contrast, September's average temperature is cooler at 14°C (57°F), with maximums reaching 26°C (80°F) and minimums dropping to 2°C (36°F). Both months have a similar number of rainy days, with around 13 days of precipitation; however, July sees slightly more rainfall at 85 mm (3.4 in) compared to September's 77 mm (3.0 in). Despite the similarities in humidity, with both months averaging 82%, the overall feel of the weather in July is much warmer and more summer-like. For more details, you can check Helsingborg weather in July.

In comparing the weather of September and August, we see a noticeable shift towards cooler temperatures and increased precipitation. September experiences a minimum temperature of 2°C (36°F) with an average of 14°C (57°F) and a maximum of 26°C (80°F), which marks a decline from the warmer August, where temperatures range from a minimum of 5°C (42°F) to an average of 17°C (63°F), peaking at 31°C (89°F). Additionally, September sees more rainy days, totaling 13 days and 77 mm (3.0 in) of precipitation, compared to August's 15 days and 98 mm (3.9 in). Despite this, humidity levels remain relatively high in both months, with September at 82% and August slightly lower at 80%. For more detailed information about August's weather, you can visit Helsingborg weather in August.

September and October show a notable shift in weather patterns as summer transitions to autumn. In September, temperatures range from a mild minimum of 2°C (36°F) to a comfortable maximum of 26°C (80°F), with an average of 14°C (57°F). The month experiences approximately 77 mm (3.0 in) of precipitation spread over 13 days, alongside a humidity level of 82%. In contrast, October sees cooler temperatures, with a minimum dipping to -3°C (26°F) and an average of 10°C (50°F), peaking at a maximum of 21°C (70°F). Precipitation increases to 90 mm (3.5 in) over 16 days, with humidity slightly rising to 85%. For more detailed insights, you can refer to Helsingborg weather in October.

September tends to be milder than November, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 26°C (80°F) and an average of 14°C (57°F). In contrast, November brings cooler conditions, featuring a minimum of -7°C (20°F), an average of 6°C (43°F), and a maximum of 17°C (63°F). While September experiences more precipitation at 77 mm (3.0 in) over 13 days, November sees less with 45 mm (1.8 in) across 11 days, accompanied by slightly higher humidity at 85%. For more detailed information, you can refer to Helsingborg weather in November.

September weather is generally milder, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 26°C (80°F) and an average of 14°C (57°F). The month experiences more significant warmth, along with 77 mm (3.0 in) of precipitation over approximately 13 days, and humidity levels hover around 82%. In contrast, December brings much colder conditions, featuring temperatures that drop to a minimum of -10°C (14°F), an average of just 3°C (38°F), and a maximum of 10°C (51°F). While it is slightly drier with 64 mm (2.5 in) of precipitation over about 15 days, the humidity rises to 85%. For more specific details about weather patterns in this month, check out Helsingborg weather in December.

Compare Helsingborg's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Helsingborg

As September unfolds in Helsingborg, the city's weather undergoes a notable transformation, shifting from the warmth of summer to the cooler embrace of autumn. While daytime temperatures can still reach a pleasant 26°C (80°F), the average cools to a crisp 14°C (57°F), marking a distinct change in the atmosphere. This month typically experiences an uptick in precipitation, with approximately 77 mm (3.0 in) of rain over 13 days, contributing to the lush scenery that characterizes this time of year. With an average humidity of 82%, the air feels fresh yet slightly damp, a reminder that summer is giving way to fall. As you embrace this changing season, discover more about the unique weather patterns throughout the year at Helsingborg Climate.