September Weather in Lonstrup, Denmark

Last updated: October 30, 2025

In Lonstrup, Denmark, September offers a blend of refreshing temperatures and occasional rain, making it a picturesque time to explore the area. The maximum temperature climbs to a pleasant 22°C (72°F), while the average hovers around a comfortable 14°C (58°F). As the month progresses, cooler nights bring the minimum temperature down to 8°C (47°F). Visitors should be prepared for the season's humidity at 85% and expect 98 mm (3.9 in) of rain spread over 15 days. Whether enjoying coastal walks or local attractions, September's weather invites a cozy yet adventurous experience in this charming Danish town.

September Temperature in Lonstrup

As September arrives in Lonstrup, Denmark, temperatures begin to transition from the warmth of summer to the crispness of autumn. With minimums around 8°C (47°F) and average highs reaching 22°C (72°F), the month offers a comfortable climate for outdoor activities. This time of year is characterized by gradually cooling days, with an average temperature of 14°C (58°F) inviting locals and visitors alike to enjoy the stunning coastal scenery while still embracing a hint of summer's warmth. The trend of decreasing temperatures from the sweltering highs of August marks a gentle shift, reminding everyone that autumn is just around the corner. As the leaves begin to change, September in Lonstrup becomes a beautiful blend of vibrant colors and temperate weather, perfect for exploration.

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

The chart illustrates September temperature patterns in Lonstrup, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lonstrup, September typically has an average temperature of 14°C (58°F), with highs reaching up to 22°C (72°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec393739445159626258524641
Data source: Temperature data for Lonstrup 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 Lonstrup

In September, Lonstrup, Denmark, experiences a notably high precipitation level of 98 mm (3.9 in), just slightly below the previous month of August, which recorded 99 mm (3.9 in). This consistent rainfall is spread across 15 rainy days, indicating that the month continues the trend of late summer and early autumn showers. As we transition into fall, September's precipitation hints at an upcoming pattern of increased wet weather, with October set to up the ante with an even higher average of 114 mm (4.5 in) over 18 days. This gradual escalation underscores the region's shift from the drier summer months toward a wetter autumn climate, painting a clear picture of what to expect in the coming weeks.

September Precipitation Trends in Lonstrup

The chart displays monthly precipitation patterns in Lonstrup, 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 Lonstrup, September typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec5468683659676699981148581
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lonstrup

In September, Lonstrup, Denmark experiences a humidity level of 85%, marking a slight increase from the summer months. This uptick reflects a transition toward the cooler autumn season, as humidity gradually creeps up after the peak summer values; July and August hovered around 78% and 80% respectively. This shift signifies a return to the more characteristic dampness of Scandinavian weather, reminiscent of earlier winter months, where humidity reaches 88% in January and 87% in February. As the year progresses, September stands out as a bridge between the warmth of summer and the crispness of fall, highlighting the region's dynamic climate.

September Average Humidity in Lonstrup

This chart illustrates the average monthly humidity levels in Lonstrup, 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 Lonstrup is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%86%84%79%77%78%80%85%87%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lonstrup

As summer fades in Lonstrup, Denmark, September brings a moderate UV Index of 5, signaling a transition in sun exposure. This marks a slight dip from the high levels of 6 seen in August, reflecting the onset of autumn. With a burn time of approximately 30 minutes, it’s still essential for sun safety enthusiasts to remain vigilant while enjoying outdoor activities. This trend of moderating UV levels continues into October, where the Index drops further to a low level of 2. For more detailed insights on monthly UV trends in Lonstrup, check out Lonstrup UV Index.

Maximum UV Index Levels in Lonstrup for September

The chart shows the monthly maximum UV Index (UVI) for Lonstrup 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 Lonstrup typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765211
Data source: Lonstrup 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 Lonstrup

As summer gently fades, September in Lonstrup, Denmark offers a delightful transition with 303 hours of sunshine. This month reflects a significant drop compared to the sun-drenched peaks of July and June, yet it still enjoys more sunshine than the cooler autumn months ahead. September’s radiance encapsulates the lingering warmth of late summer, marking a graceful shift as days grow shorter and the vibrant hues of nature prepare for the upcoming autumn. With over 300 hours of sunshine, it serves as a perfect backdrop for outdoor activities, allowing locals and visitors alike to savor the last golden days before winter's embrace.

Monthly Sunshine Duration in Lonstrup: September Highlighted

The September sunshine duration represents the total number of hours Lonstrup 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.
JanFebMarAprMayJunJulAugSepOctNovDec96h176h277h380h441h459h469h411h303h247h130h110h
Data source: Lonstrup September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lonstrup During September

In Lonstrup, Denmark, September offers a commonly transitional weather pattern, with a 33% chance of sunny days. Compared to the sunnier months of late spring and summer, where the likelihood peaks at 71% in April, September's sunshine potential reflects the gradual shift toward autumn. Although the sunny days start to dwindle in comparison to the summer months, they still present opportunities for outdoor activities and scenic coastal views. This month serves as a bridge, hinting at shorter and cooler days ahead while still holding on to the remnants of summer's warmth.

Percentage of Sunny Days in September in Lonstrup

The chart illustrates the percentage of sunny days in Lonstrup 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 Lonstrup experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%27%49%71%30%41%48%49%33%27%23%27%
Data source: Lonstrup September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lonstrup in September

As summer gracefully transitions into autumn, September in Lonstrup, Denmark welcomes a gentle shift in daylight. After basking in the longest days of the year with an impressive 17 hours of sunlight in June and July, the daylight begins to taper off. In September, residents and visitors enjoy around 12 hours of daylight, a noticeable yet comfortable reduction that marks the onset of fall. This change reflects a broader trend where daylight gradually diminishes month by month, dipping to just 10 hours in October and 7 by November. The waning light of September not only signals the arrival of cooler temperatures but also the beautiful colors that autumn brings, inviting all to savor these fleeting days before winter's embrace.

Average Daylight Hours in Lonstrup for September

The chart illustrates the variation in daylight duration in Lonstrup throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 23m9h 26m11h 52m14h 22m16h 37m17h 53m17h 12m15h 8m12h 43m10h 15m7h 58m6h 41m
Data source: Lonstrup daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Lonstrup

As summer fades and autumn approaches, September in Lonstrup, Denmark, welcomes a gentle breeze with an average wind speed of 5.1 m/s (11 mph). This slight drop from the more lively gusts of August reflects a transitional period where the early fall air grows cooler yet remains inviting. In contrast to the peak winds seen in October and November, which reach 6.7 m/s (15 mph), September offers a serene atmosphere, perfect for those who enjoy the tranquility of the coast. Overall, the wind patterns suggest a gradual shift towards the brisker conditions of late fall, making September a perfect moment to relish the charming beauty of Lonstrup before the winds pick up again.

Average September Wind Speed in Lonstrup

The chart displays monthly wind speed patterns in Lonstrup, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.46.46.15.44.65.64.75.55.1 m/s6.76.75.9
Data source: Lonstrup September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Lonstrup Compares to Other Months

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

September and January present contrasting weather conditions. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 22°C (72°F), with an average of 14°C (58°F). This month experiences significant rainfall, averaging 98 mm (3.9 in) over approximately 15 days, accompanied by a humidity level of 85%. In stark contrast, January sees much colder weather, with temperatures dropping to a minimum of -4°C (25°F) and only reaching a maximum of 10°C (50°F), with an average of 4°C (39°F). Precipitation is lower in January at 54 mm (2.1 in) across about 10 days, and humidity slightly increases to 88%. For more information on January weather, check out Lonstrup weather in January.

September and February present contrasting weather conditions. In September, temperatures range from a minimum of 8°C (47°F) to a comfortable maximum of 22°C (72°F), with an average of 14°C (58°F). The month sees about 98 mm (3.9 in) of precipitation spread over 15 days and a relatively high humidity of 85%. In stark contrast, February experiences much colder weather, with temperatures dipping to a minimum of -8°C (18°F) and peaking at 10°C (49°F), averaging just 3°C (38°F). Precipitation is lower in February at 68 mm (2.7 in) over 13 days, coupled with slightly higher humidity at 87%. For a more detailed understanding of February weather, you can check Lonstrup weather in February.

September and March present quite contrasting weather patterns. In September, temperatures are milder, with averages around 14°C (58°F) and maximums reaching up to 22°C (72°F), while March is considerably cooler, exhibiting an average temperature of only 4°C (40°F) and maximums of 11°C (51°F). Additionally, September experiences more precipitation at 98 mm (3.9 in) over 15 days, compared to March's 68 mm (2.7 in) over 11 days. Both months maintain high humidity levels, with September at 85% and March slightly higher at 86%. For more specific conditions in March, you can check Lonstrup weather in March.

Comparing the weather in September and April reveals a notable difference in temperatures and precipitation patterns. September boasts a milder climate with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 22°C (72°F), while April experiences cooler conditions with averages from 0°C (33°F) to 18°C (64°F). Additionally, September is much wetter, receiving 98 mm (3.9 in) over approximately 15 days, compared to April's lighter rainfall of 36 mm (1.4 in) spread across just 7 days. Humidity levels are similar in both months, hovering around 85% in September and 84% in April. For more details, check out Lonstrup weather in April.

In comparing the weather between September and May, we observe notable differences in temperature and precipitation. September boasts a more moderate temperature range, with averages from a minimum of 8°C (47°F) to a maximum of 22°C (72°F), whereas May has lower averages, ranging from a minimum of 3°C (38°F) to a maximum of 23°C (73°F). Although May reaches a similar maximum temperature as September, its overall averages tend to be cooler. Additionally, September experiences significantly higher rainfall, with 98 mm (3.9 in) over 15 days, compared to May's 59 mm (2.3 in) over only 10 days. Humidity levels are also slightly higher in September at 85%, contrasting with May's 79%. For more detailed insights into May's weather specifically, you can check Lonstrup weather in May.

When comparing the weather in September and June, we notice some distinct differences. September generally experiences a slightly wider temperature range, with minimums around 8°C (47°F) and maximums reaching 22°C (72°F), compared to June, which has minimums of 9°C (48°F) and maximums of 24°C (76°F). Additionally, September tends to be wetter, with 98 mm (3.9 in) of precipitation over 15 days, while June sees less rain at 67 mm (2.6 in) over 12 days. Humidity levels are also higher in September, averaging 85%, compared to June's 77%. For more detailed insights, you can check the weather specifics at Lonstrup weather in June.

When comparing the weather in September and July, it's clear there are notable differences. September typically experiences cooler temperatures, with a minimum of 8°C (47°F) and an average of 14°C (58°F), compared to July's warmer minimum of 11°C (53°F) and an average of 17°C (62°F). The maximum temperature in July reaches up to 27°C (80°F), significantly higher than September’s maximum of 22°C (72°F). Additionally, September sees increased precipitation at 98 mm (3.9 in) over 15 days, while July has less rain at 66 mm (2.6 in) over 10 days. Humidity levels are also higher in September, averaging 85%, compared to July’s 78%. For more detailed insights, you can check out Lonstrup weather in July.

In comparing the weather between August and September, we see a notable shift in temperature and humidity levels. August typically experiences milder conditions with minimum temperatures around 11°C (53°F) and maximums reaching up to 26°C (79°F), resulting in an average of 17°C (63°F). In contrast, September cools down significantly, with minimum temperatures dropping to 8°C (47°F) and maximums capping at 22°C (72°F), leading to a lower average of 14°C (58°F). Both months receive similar precipitation, with 99 mm (3.9 in) in August and 98 mm (3.9 in) in September, occurring over 15 days each; however, September is slightly more humid, holding an average of 85% compared to August's 80%. For more detailed weather insights on August, you can visit Lonstrup weather in August.

In September, temperatures typically range from a minimum of 8°C (47°F) to a maximum of 22°C (72°F), with an average of 14°C (58°F). The month experiences about 98 mm (3.9 in) of precipitation over approximately 15 days, accompanied by a humidity level of 85%. By contrast, October brings cooler temperatures, with minimums dropping to 3°C (38°F) and an average of 11°C (52°F), while highs reach 20°C (68°F). Rainfall increases slightly, totaling 114 mm (4.5 in) across about 18 days, and humidity rises to 87%. For detailed information on October weather patterns, you can visit Lonstrup weather in October.

September generally experiences milder temperatures compared to November, with an average of 14°C (58°F), peaking at a maximum of 22°C (72°F), while November's average drops to 8°C (46°F) and peaks at 15°C (60°F). Although both months see considerable humidity, September is slightly less humid at 85% compared to November's 87%. Precipitation is also a key factor, with September receiving a total of 98 mm (3.9 in) across 15 days, while November has slightly less rainfall at 85 mm (3.4 in) over 16 days. For more detailed insights on November weather patterns, you can check Lonstrup weather in November.

In comparing the weather of September and December, we see a significant shift in temperatures and conditions. September boasts a milder climate with minimum temperatures around 8°C (47°F) and maximums reaching up to 22°C (72°F), while averaging 14°C (58°F). In contrast, December introduces much colder weather, where temperatures can drop to a minimum of -3°C (26°F) and peak at 10°C (51°F), averaging only 5°C (41°F). While September experiences more rainfall at 98 mm (3.9 in) over 15 days, December sees slightly less precipitation with 81 mm (3.2 in) over 16 days. Despite these differences, the humidity remains consistent at 85% for both months, contributing to a damp feel. For those interested in more details about December weather, you can find additional information here: Lonstrup weather in December.

Compare Lonstrup's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Lonstrup

As September unfolds in Lonstrup, the weather marks a distinct shift from the balmy days of summer to a more temperate climate. With average temperatures settling around a comfortable 14°C (58°F), it offers a refreshing change, especially as the maximums reach up to 22°C (72°F). While the increased humidity at 85% can make the air feel a bit heavier, the month is characterized by its frequent rainfall, accumulating around 98 mm (3.9 in) over approximately 15 days. This blend of warm days and gentle rains creates a unique atmosphere that invites outdoor exploration, making September a captivating time to experience the beauty of Lonstrup. For a deeper dive into Lonstrup's weather patterns, check out Lonstrup Climate.