September Weather in Kangerlussuaq, Greenland

Last updated: August 21, 2025

September in Kangerlussuaq, Greenland showcases an intriguing interplay of temperatures and precipitation, setting the stage for the transition into autumn. The maximum temperature can reach a mild 13°C (56°F), while the average hovers around a cool 2°C (36°F), dipping to a chilly minimum of -10°C (15°F). Visitors should be prepared for a moist environment, as the region experiences 34 mm (1.3 in) of precipitation spread over 8 days, complemented by a high humidity level of 88%. This unique climate not only paints a picturesque landscape but also offers a fascinating experience for those exploring the Arctic realm.

September Temperature in Kangerlussuaq

In September, Kangerlussuaq, Greenland, experiences a noticeable transition as the summer warmth begins to wane, with temperatures ranging from a minimum of -10°C (15°F) to a maximum of 13°C (56°F). The average temperature hovers around 2°C (36°F), suggesting a shift towards the chillier months ahead. Compared to the preceding summer months, where temperatures commonly reached above 20°C (68°F), this decline marks the onset of autumn. As the days shorten and the crispness of fall sets in, visitors can expect to witness the stunning landscapes of Greenland transform, the cooler air invigorating the senses in preparation for the cold winter months that follow.

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

The chart illustrates September temperature patterns in Kangerlussuaq, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kangerlussuaq, 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).
JanFebMarAprMayJunJulAugSepOctNovDec-1-7421374852493626127
Data source: Temperature data for Kangerlussuaq generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Kangerlussuaq

In September Kangerlussuaq experiences a noticeable dip in precipitation, with 34 mm (1.3 in) of rain falling over an average of 8 days. This marks a decline from the wetter summer months, where July and August each recorded significantly higher totals of 54 mm (2.1 in) and 43 mm (1.7 in) respectively. The transition to autumn brings a shift in weather patterns, as the region begins to prepare for the colder months ahead. While September is less wet than its predecessors, it still provides a respectable amount of moisture, ensuring the landscape remains vibrant as the days shorten and temperatures drop.

September Precipitation Trends in Kangerlussuaq

The chart displays monthly precipitation patterns in Kangerlussuaq, 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 Kangerlussuaq, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec14914201551544334172215
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Kangerlussuaq

September in Kangerlussuaq, Greenland, sees a notable humidity level of 88%, just slightly below the humidity peak of late summer. After the higher humidity recorded in August at 89%, September signals a subtle shift towards the cooler months. As autumn approaches, humidity remains relatively consistent, only dipping slightly compared to the summer. The trend indicates that while humidity begins to ease in late summer, it still retains a significant presence as the region transitions into fall. This gradual change foreshadows the wetter conditions of October, which brings a rise back to 90%. Overall, the humidity levels reflect the seasonal rhythms of Kangerlussuaq, highlighting the interplay between temperature and moisture in this unique Arctic environment.

September Average Humidity in Kangerlussuaq

This chart illustrates the average monthly humidity levels in Kangerlussuaq, 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 Kangerlussuaq is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%90%85%83%77%78%89%88%90%92%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kangerlussuaq

As summer fades and September arrives in Kangerlussuaq, Greenland, the UV Index notably drops to 3, indicating a moderate exposure category. This marks a transition from the peak summer months, where the UV Index consistently hovered around 5, to a more cautious approach to sun exposure. While the burn time remains at 30 minutes, this indicates a slight decrease in sun intensity compared to the previous months. As autumn sets in, it’s essential to remember that even moderate UV levels can lead to skin damage; therefore, protective measures should still be taken. For more insights on UV levels throughout the year, check out the detailed Kangerlussuaq UV Index.

Maximum UV Index Levels in Kangerlussuaq for September

The chart shows the monthly maximum UV Index (UVI) for Kangerlussuaq 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 Kangerlussuaq typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112455543211
Data source: Kangerlussuaq 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 Kangerlussuaq

As September arrives in Kangerlussuaq, Greenland, the days begin to shorten, and the vibrant summer sunlight gives way to autumn's embrace. With 246 hours of sunshine this month, September marks a decline from the peak of 393 hours experienced in May. The trend of diminishing daylight continues from the previous months, where the sunny days of summer gradually recede, leading into October's cooler glow of just 170 hours. Despite this waning light, September still offers a hearty amount of sunshine, a reminder of the lingering warmth before winter casts its long shadow over the landscape. With each passing day, the picturesque beauty of Kangerlussuaq transforms, inviting visitors to witness the stunning transition as the sun dips lower on the horizon.

Monthly Sunshine Duration in Kangerlussuaq: September Highlighted

The September sunshine duration represents the total number of hours Kangerlussuaq 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.
JanFebMarAprMayJunJulAugSepOctNovDec31h147h245h331h393h363h389h358h246h170h67h4h
Data source: Kangerlussuaq September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kangerlussuaq During September

In September, Kangerlussuaq, Greenland experiences a notable likelihood of sunny weather, with a 49% chance of sunshine. This marks a slight increase compared to the preceding months, particularly August, which only sees 29% sunshine. As summer transitions into autumn, the weather remains relatively favorable, making September one of the more promising months for sunlight. The trend throughout the year highlights fluctuating sunny days, peaking in February at 51% and dipping in the summer months, illustrating that while September may not boast the brightest skies, it certainly offers a remarkable opportunity for outdoor adventures against the stunning backdrop of Greenland's unique landscapes.

Percentage of Sunny Days in September in Kangerlussuaq

The chart illustrates the percentage of sunny days in Kangerlussuaq 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 Kangerlussuaq experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%51%26%31%42%26%41%29%49%37%29%32%
Data source: Kangerlussuaq September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kangerlussuaq in September

As summer gives way to autumn in Kangerlussuaq, Greenland, September marks a transition with 13 hours of daylight. This decrease from the peak of 24 hours in June reflects a gradual shift towards shorter days, a trend that continues through the colder months. Following the vibrant months of May and June, where daylight reached its maximum, September's sunlight is still generous compared to the winter months, but hints at the approaching darkness. The progression of hours can be felt as daylight dwindles, from 21 hours in July to a notable drop to 16 hours in August and further to 13 hours now. The atmospheric change is palpable as the landscape prepares for the early onset of winter, reminding us of the cyclical dance of light and dark in this Arctic region.

Average Daylight Hours in Kangerlussuaq for September

The chart illustrates the variation in daylight duration in Kangerlussuaq throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 49m8h 1m11h 49m15h 40m20h 4m24h21h 48m16h 55m13h 2m9h 16m5h 19m19h 3m
Data source: Kangerlussuaq daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Kangerlussuaq

In September, Kangerlussuaq experiences a gentle shift in its winds, with an average speed of 1.6 m/s (4 mph). This marks a slight dip from the breezier months of August and July, which both averaged around 2.3 m/s (5 mph) and 2.2 m/s (5 mph), respectively. Interestingly, the trend throughout the year shows that January and February are the calmest months, each with a mere 1.4 m/s (3 mph). As the seasons change, April and May see a notable increase, peaking in May, where winds reach 2.6 m/s (6 mph). However, as autumn sets in, the winds mellow again, reminiscent of the quieter early winter months, making September a transitional time characterized by mild breezes, perfect for enjoying the stunning Arctic landscapes.

Average September Wind Speed in Kangerlussuaq

The chart displays monthly wind speed patterns in Kangerlussuaq, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.41.51.92.62.12.22.31.6 m/s1.41.52.2
Data source: Kangerlussuaq September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Kangerlussuaq Compares to Other Months

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

When comparing the weather in September and January, stark contrasts emerge. September experiences milder temperatures, with averages around 2°C (36°F) and a maximum of 13°C (56°F), while January plunges to much colder averages of -18°C (-1°F) and can drop to a minimum of -35°C (-30°F). Precipitation is more frequent in September, occurring on about 8 days with a total of 34 mm (1.3 in), compared to January's milder totals of 14 mm (0.5 in) over just 4 days. Additionally, humidity levels remain high in both months, with January slightly outpacing September at 92% vs. 88%. For a more detailed look at the weather during this cold month, check out Kangerlussuaq weather in January.

September and February exhibit stark contrasts in weather conditions. In September, temperatures range from a minimum of -10°C (15°F) to a maximum of 13°C (56°F), with an average of 2°C (36°F). This month experiences moderate precipitation of 34 mm (1.3 in) over 8 days and a relatively high humidity of 88%. In contrast, February sees much harsher conditions, with temperatures plummeting to a minimum of -37°C (-34°F) and an average of -21°C (-6°F), peaking at just 1°C (34°F). Precipitation is significantly lower, at 9 mm (0.4 in) over only 2 days, while humidity remains similar at 89%. For a deeper understanding of February's conditions, you can refer to Kangerlussuaq weather in February.

In comparing the weather between September and March, distinct contrasts emerge. September experiences milder temperatures with a minimum of -10°C (15°F) and an average of 2°C (36°F), while March is significantly colder, featuring a minimum of -37°C (-34°F) and an average of -16°C (4°F). Additionally, September sees more precipitation, with 34 mm (1.3 in) falling over 8 days, compared to March's 14 mm (0.5 in) spread across just 3 days. Humidity levels are slightly higher in March at 90%, compared to 88% in September. For more details on March weather conditions, you can check this link: Kangerlussuaq weather in March.

In comparing the weather of September and April, we see notable differences in temperature and precipitation patterns. September experiences milder temperatures, with a minimum of -10°C (15°F) and an average of 2°C (36°F), while April is significantly colder, featuring a minimum temperature of -26°C (-14°F) and an average of -6°C (22°F). Precipitation in September is higher at 34 mm (1.3 in) over approximately 8 days, compared to April's 20 mm (0.8 in) over just 5 days. The humidity levels are relatively similar, with September at 88% and April at 85%. For more details, you can check this link: Kangerlussuaq weather in April.

In comparing the weather of September and May, September typically sees a more moderate temperature range, with average temperatures around 2°C (36°F) and a maximum of 13°C (56°F). In contrast, May experiences a wider range, with minimum temperatures dropping to -16°C (3°F) and maxing out at 19°C (67°F). Precipitation in September is higher, with 34 mm (1.3 in) spread over 8 days, while May has significantly less rainfall at 15 mm (0.6 in) over just 5 days. Although humidity levels are slightly higher in September at 88%, May remains relatively humid at 83%. For further insights, you can check Kangerlussuaq weather in May.

When comparing the weather in September and June, September is notably colder, with temperatures ranging from a minimum of -10°C (15°F) to a maximum of 13°C (56°F) and an average of 2°C (36°F). In contrast, June experiences milder temperatures, with a minimum of 0°C (32°F), an average of 9°C (48°F), and a maximum of 23°C (74°F). Additionally, September has higher humidity levels at 88% compared to June's 77%, contributing to a cooler and more damp atmosphere. Precipitation is also more frequent in June, occurring on 11 days with a total of 51 mm (2.0 in), while September has 34 mm (1.3 in) over 8 days. For more detailed information on June weather, visit Kangerlussuaq weather in June.

In comparing the weather of September and July, notable differences emerge. September experiences much cooler temperatures, with a minimum of -10°C (15°F) and an average of just 2°C (36°F), contrasting sharply with July's milder conditions, which see a minimum of 0°C (33°F) and an average of 11°C (52°F). July boasts a maximum temperature of 22°C (72°F), allowing for warmer days, while September peaks at 13°C (56°F). Precipitation is also higher in July, totaling 54 mm (2.1 in) over 9 days, compared to 34 mm (1.3 in) over 8 days in September. Additionally, September's humidity is slightly higher at 88%, compared to July's 78%. For more details on July's climate, you can check Kangerlussuaq weather in July.

September weather in Kangerlussuaq is markedly colder compared to August, with minimum temperatures dipping to -10°C (15°F) and an average temperature of just 2°C (36°F). In contrast, August enjoys milder conditions, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 21°C (70°F) and an average of 9°C (49°F). While September experiences slightly less precipitation at 34 mm (1.3 in) over 8 days, August sees 43 mm (1.7 in) across 9 days, almost matching in humidity levels at 88% for September and 89% for August. For more detailed information on August's weather, visit Kangerlussuaq weather in August.

In September, the weather begins to cool down with average temperatures ranging from a minimum of -10°C (15°F) to a maximum of 13°C (56°F), experiencing 34 mm of precipitation over 8 days and a humidity level of 88%. By October, temperatures drop further, with a minimum of -18°C (-1°F) and an average of -3°C (27°F), although daytime highs can still reach up to 11°C (51°F). Precipitation decreases to 17 mm, occurring over just 4 days, while humidity slightly increases to 90%. For more detailed insights on daily conditions, check out Kangerlussuaq weather in October.

September and November present a stark contrast in weather conditions. In September, temperatures range from a minimum of -10°C (15°F) to a maximum of 13°C (56°F), with an average temperature of around 2°C (36°F). The month experiences 34 mm (1.3 in) of precipitation over 8 days, coupled with a humidity level of 88%. In contrast, November sees a more severe chill, with temperatures plummeting to a minimum of -29°C (-19°F) and averaging -11°C (12°F). The maximum temperature reaches only 8°C (47°F), while precipitation decreases to 22 mm (0.9 in) over just 5 days, alongside a slightly higher humidity of 92%. For those interested in the specifics of November weather, you can explore Kangerlussuaq weather in November.

In September, Kangerlussuaq experiences relatively milder temperatures, with averages around 2°C (36°F) and a maximum of 13°C (56°F), while December brings much colder conditions, with average temperatures plummeting to -14°C (7°F) and a maximum of 7°C (45°F). Precipitation also varies; September sees 34 mm (1.3 in) over 8 days compared to December's lighter rainfall of 15 mm (0.6 in) across just 4 days. Humidity levels remain quite similar, hovering around 88% in September and slightly increasing to 89% in December. For more detailed information on the weather in December, check Kangerlussuaq weather in December.

Compare Kangerlussuaq's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Kangerlussuaq

As September unfolds in Kangerlussuaq, it marks a transition into the cooler months, bringing a notable shift in weather compared to the preceding summer. With maximum temperatures peaking at 13°C, the warmth of summer begins to fade, settling into an average chill of 2°C. The days become wetter, with an increase in precipitation, occurring on about 8 days, contributing to the area's humid atmosphere reaching 88%. This blend of cool breezes and occasional rain creates a unique atmosphere that sets the stage for the colorful autumn landscape. For more insights into the fluctuating seasons, visit Kangerlussuaq Climate.