September Weather in Christianshavn, Denmark

Last updated: October 30, 2025

September in Christianshavn, Denmark showcases a delightful transition from summer to autumn, characterized by a maximum temperature reaching 26°C (78°F) and a comfortable average of 14°C (58°F). However, the month also brings cooler nights with lows dipping to 3°C (37°F). With an average humidity of 83%, visitors can expect a refreshing, albeit sometimes damp experience, as 79 mm (3.1 in) of precipitation falls over 11 days. Embrace the cozy charm of this vibrant neighborhood as vibrant autumn colors begin to paint the landscape, making September a unique time to explore Christianshavn.

September Temperature in Christianshavn

As September rolls into Christianshavn, Denmark, the temperatures begin to reflect the waning warmth of summer. The month arrives with a pleasant average temperature of 14°C (58°F), marking a shift from the balmy conditions of August. Mornings can be cool, with minimums dropping to 3°C (37°F), while afternoons still warm up nicely, reaching a comfortable maximum of 26°C (78°F). This transitional period showcases the beauty of early autumn, as residents and visitors enjoy mild weather, a stark contrast to the chillier months ahead. With this gentle decline in warmth, September invites outdoor strolls along the picturesque canals, all while hinting at the colorful foliage that will soon adorn the landscape.

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

The chart illustrates September temperature patterns in Christianshavn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Christianshavn, September typically has an average temperature of 14°C (58°F), with highs reaching up to 26°C (78°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec373639455363646458514439
Data source: Temperature data for Christianshavn 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 Christianshavn

September in Christianshavn sees a noticeable uptick in precipitation, with 79 mm (3.1 in) of rain falling over 11 days. This marks a slight decrease from the wetter August, which recorded 89 mm (3.5 in) across 13 days. As the summer warmth fades, the arrival of autumn brings a consistent pattern of rainfall that prepares the area for the cooler months ahead. Following September, October typically sees an increase in both precipitation amount and days, reaching 83 mm (3.3 in) over 15 days. This trend suggests that while September retains a respectable amount of rainfall, it is a precursor to the more significant showers that characterize the later fall, creating a lush backdrop for the changing seasons in this charming Danish neighborhood.

September Precipitation Trends in Christianshavn

The chart displays monthly precipitation patterns in Christianshavn, 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 Christianshavn, September typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec504864355345758979834461
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Christianshavn

In September, Christianshavn experiences a slight uptick in humidity, registering at 83%, following the warm, drier summer months of July and August, which both held steady at 77%. This seasonal shift hints at the onset of autumn, signaling a gradual return to the more humid conditions characteristic of earlier months, where levels soar around 90% in the dead of winter. The transition illustrates how humidity trends in Christianshavn fluctuate, peaking in the colder months, while summer brings a welcome reprieve. As the days grow shorter and cooler, the increase in humidity envelops the waterfront district, adding a subtle crispness to the air and enchanting the vibrant scenery.

September Average Humidity in Christianshavn

This chart illustrates the average monthly humidity levels in Christianshavn, 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 Christianshavn 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 Christianshavn

As summer fades, September in Christianshavn, Denmark, brings a gentle transition with a UV Index of 5, indicating a moderate exposure category. This marks a slight decline from the high values of July and August, where the index peaked at 7. With a burn time of 30 minutes, locals and visitors alike should remain mindful of sun safety while enjoying the crisp autumn air. It's a reminder of how UV exposure evolves throughout the year, with fall offering a reprieve after the sun's intensity during the summer months. For detailed information on UV levels throughout the year, visit Christianshavn UV Index.

Maximum UV Index Levels in Christianshavn for September

The chart shows the monthly maximum UV Index (UVI) for Christianshavn 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 Christianshavn typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Christianshavn 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 Christianshavn

As summer gracefully transitions into autumn, September in Christianshavn, Denmark, showcases a gentle decline in sunshine hours, with 317 hours of bright daylight. This month reflects a notable shift from the peak of summer, where June basked in 452 hours of sunlight. Following the vibrant months of May and June, September maintains a generous amount of sunshine, yet it signals the beginning of shorter days ahead. With a reduction from August’s 404 hours, the trend reveals a cozy embrace of fall, inviting residents and visitors alike to enjoy the serene beauty of the canals and the charm of the colorful houses as they bathe in the soft, golden light of early autumn.

Monthly Sunshine Duration in Christianshavn: September Highlighted

The September sunshine duration represents the total number of hours Christianshavn 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.
JanFebMarAprMayJunJulAugSepOctNovDec95h186h258h374h428h452h448h404h317h243h143h111h
Data source: Christianshavn September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Christianshavn During September

In September, Christianshavn experiences a 30% chance of sunny weather, a slight dip from the summer months. As we transition from the vibrant warmth of August with its 36% likelihood, the onset of fall brings a mix of overcast skies and clear days. This month stands out as a bridge between the hotter summer and the cooler autumn, reflecting a consistent trend where the chance of sunshine gradually decreases from peak summer in July to the gloomy winter months. Notably, while September offers decent opportunities for sunny days, it's essential to be prepared for both sun and clouds as the season shifts.

Percentage of Sunny Days in September in Christianshavn

The chart illustrates the percentage of sunny days in Christianshavn 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 Christianshavn experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%35%37%53%29%44%35%36%30%27%15%23%
Data source: Christianshavn September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Christianshavn in September

As summer gracefully fades into fall, September in Christianshavn, Denmark, offers a pleasant transition with about 12 hours of daylight. This marks a noticeable shift from the vibrant 16 hours in May and June, but still provides ample sunlight compared to the winter months ahead. The daylight duration decreases more gradually compared to the sharper declines of later months, echoing the essence of early autumn's lingering warmth. This steady retreat of daylight is reminiscent of nature's slow and serene unraveling, encouraging residents and visitors alike to embrace the changing season before the shortening days settle into the crispness of October’s 10 hours.

Average Daylight Hours in Christianshavn for September

The chart illustrates the variation in daylight duration in Christianshavn throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 43m9h 36m11h 53m14h 13m16h 17m17h 25m16h 49m14h 56m12h 40m10h 22m8h 15m7h 6m
Data source: Christianshavn daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Christianshavn

As the warm embrace of summer gives way to the crisp charm of fall, September winds in Christianshavn, Denmark settle into a gentle rhythm, with an average speed of 3.9 m/s (9 mph). This month marks a slight decline from the bustling breezes of late summer, where August enjoyed winds of 4.4 m/s (10 mph). Interestingly, September's winds continue a trend observed throughout the warmer months, displaying a temperate calmness that contrasts sharply with the more robust gusts expected in the early winter months. As October approaches with an uptick in wind speed to 5.1 m/s (11 mph), one can almost feel the transition in the air—a perfect time to stroll along the picturesque canals of Christianshavn and savor the shifting seasons.

Average September Wind Speed in Christianshavn

The chart displays monthly wind speed patterns in Christianshavn, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.74.64.74.23.73.84.43.9 m/s5.14.84.5
Data source: Christianshavn September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Christianshavn Compares to Other Months

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

September and January present stark contrasts in weather patterns. In September, temperatures range from a mild 3°C (37°F) at night to a warm 26°C (78°F) during the day, with an average of 14°C (58°F). This month experiences a total precipitation of 79 mm (3.1 in) over 11 days, accompanied by a relatively high humidity of 83%. In contrast, January is much colder, with temperatures dipping as low as -13°C (9°F) and averaging just 3°C (37°F). The maximum temperature reaches only 11°C (52°F). January sees less precipitation, totaling 50 mm (2.0 in) over the same number of days, but with a higher humidity level of 90%. For a detailed look at the weather specifics for this month, you can refer to Christianshavn weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a mild 3°C (37°F) at night to a warm 26°C (78°F) during the day, with an average of 14°C (58°F). The month sees about 79 mm (3.1 in) of precipitation over approximately 11 days, accompanied by a humidity level of 83%. In stark comparison, February experiences much colder temperatures, starting at a minimum of -11°C (12°F) and peaking at a maximum of 13°C (56°F), with an average temperature of just 2°C (36°F). The precipitation in February is lighter, totaling 48 mm (1.9 in) over 10 days, but the humidity is slightly higher at 89%. For more detailed information, check out Christianshavn weather in February.

September and March present contrasting weather patterns, significantly influenced by the transition from summer to autumn and winter to spring, respectively. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 26°C (78°F), with an average of 14°C (58°F). The month also experiences relatively high humidity at 83% and 79 mm (3.1 in) of precipitation over 11 days. In contrast, March tends to be much colder, with minimum temperatures dropping to -10°C (14°F) and a modest maximum of 16°C (61°F), leading to an average of only 4°C (39°F). Although March sees slightly less precipitation at 64 mm (2.5 in) spread over 12 days, the humidity level is notably higher at 88%. For a detailed overview of March weather, you can refer to Christianshavn weather in March.

When comparing the weather in September and April, a clear contrast emerges. September offers a milder climate with average temperatures ranging from 14°C (58°F) to a maximum of 26°C (78°F), while April experiences cooler temperatures, averaging around 7°C (45°F), with a maximum of only 22°C (73°F). Precipitation levels also differ significantly; September sees 79 mm (3.1 in) of rain over 11 days, compared to April's more manageable 35 mm (1.4 in) across 8 days. Although both months maintain high humidity, September is slightly less humid at 83% compared to April's 85%. For further insights into the weather specifics for April, you can visit Christianshavn weather in April.

September and May present distinct weather patterns, with September typically enjoying warmer temperatures. In September, daily highs can reach up to 26°C (78°F) and the average temperature is a comfortable 14°C (58°F), while May sees a maximum of 28°C (82°F) but averages lower, at 12°C (54°F). Both months experience similar levels of humidity, around 80-83%, contributing to a muggy atmosphere. However, September tends to be wetter, with 79 mm (3.1 in) of precipitation over 11 days compared to May's 53 mm (2.1 in) across 12 days. For a more detailed look at May's weather, you can check out Christianshavn weather in May.

When comparing the weather in September and June, we see notable differences in temperatures and precipitation. September features a broader temperature range, with minimums around 3°C (37°F) and maximums reaching 26°C (78°F), while June starts warmer with minimums at 7°C (45°F) and maximums peaking at 30°C (87°F). In terms of precipitation, September is wetter, with 79 mm (3.1 in) over approximately 11 days, compared to June's 45 mm (1.8 in) over 7 days. Humidity levels are slightly higher in September at 83%, compared to June's 77%. For more detailed information about the weather in June, you can check Christianshavn weather in June.

When comparing the weather in September to that of July, we see a notable shift in temperatures and humidity. September experiences cooler temperatures with a minimum of 3°C (37°F) and an average of 14°C (58°F), while July boasts warmer conditions with a minimum of 7°C (44°F) and an average of 18°C (64°F). The maximum temperatures in September reach 26°C (78°F), compared to a warmer maximum of 31°C (88°F) in July. Despite having slightly less precipitation in July at 74 mm (2.9 in) over 12 days compared to September's 79 mm (3.1 in) over 11 days, the humidity remains higher in September at 83%, compared to July's 77%. For more detailed insights into July weather, you can visit Christianshavn weather in July.

In comparing the weather between September and August, September generally presents cooler temperatures, with a minimum of 3°C (37°F) and an average of 14°C (58°F), compared to August's minimum of 7°C (44°F) and average of 18°C (64°F). While August boasts warmer maximum temperatures reaching up to 30°C (87°F), September's maximum is noticeably lower at 26°C (78°F). Additionally, September experiences slightly less precipitation at 79 mm (3.1 in) over 11 days, compared to August's 89 mm (3.5 in) over 13 days. Humidity is also slightly higher in September at 83%, while August has a relative humidity of 77%. For more insights on the weather in August, you can refer to Christianshavn weather in August.

In September, the weather tends to be milder, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 26°C (78°F) and an average temperature of 14°C (58°F). The month experiences 79 mm (3.1 in) of rainfall over approximately 11 days, all while maintaining a relatively high humidity level of 83%.

In contrast, October brings cooler temperatures, with the mercury dipping to a minimum of -3°C (27°F) and a maximum of 20°C (68°F), averaging around 11°C (51°F). Precipitation slightly increases to 83 mm (3.3 in) over about 15 days, and the humidity rises to 87%. This shift marks a significant transition into the chillier autumn months. For more details, you can refer to Christianshavn weather in October.

In comparing the weather between September and November, notable differences emerge. September tends to be milder, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 26°C (78°F), resulting in an average of 14°C (58°F). This month experiences more rainfall, totaling 79 mm (3.1 in), over approximately 11 days, and humidity levels are relatively high at 83%.

Contrastingly, November brings cooler conditions, with temperatures dropping to a minimum of -6°C (22°F) and an average of 7°C (44°F), peaking at 17°C (63°F). Precipitation decreases to 44 mm (1.7 in) over about 10 days, while humidity rises slightly to 89%. These changes mark a distinct transition into the colder months. For more details, check out Christianshavn weather in November.

In September, temperatures range from a pleasant 3°C (37°F) at night to a warm 26°C (78°F) during the day, with an average temperature of 14°C (58°F). The month experiences approximately 79 mm (3.1 in) of precipitation over 11 days, with humidity levels around 83%. In contrast, December brings a significant drop in temperatures, with nighttime lows reaching -7°C (19°F) and daytime highs peaking at 11°C (51°F), resulting in an average of just 4°C (39°F). Precipitation is somewhat lower at 61 mm (2.4 in), but occurs on more days, with a total of 15 days of rainfall and increased humidity at 88%. For a detailed look at December weather in the region, check out Christianshavn weather in December.

Compare Christianshavn's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Christianshavn

As September unfolds in Christianshavn, the weather presents a delightful transition from summer to fall. With temperatures averaging around 14°C (58°F), the month experiences a mix of warm days and cooler nights, creating a refreshing yet cozy atmosphere. Unlike the sun-drenched heat of summer, September sees an uptick in humidity, making it feel a bit more humid, while the 79 mm of rainfall across approximately 11 days often brings much-needed moisture to the vibrant surroundings. This blend of warmth and rain sets the stage for stunning autumn colors, making it a unique time to explore the charm of Christianshavn. For more detailed insights on the weather patterns throughout the year, check out the Christianshavn Climate.