September Weather in Tasiilaq, Greenland

Last updated: August 21, 2025

September in Tasiilaq, Greenland showcases a captivating transition from summer to autumn, with maximum temperatures peaking at 10°C (51°F) and dipping to a chilly minimum of -3°C (26°F). The average temperature settles around 3°C (38°F), providing a crisp backdrop for exploring the stunning arctic landscape. Visitors should prepare for considerable precipitation, as 147 mm (5.8 in) of rain can be expected over 15 days, contributing to the lush scenery. With a high humidity level of 89%, the air is thick with moisture, enhancing the dramatic beauty of this remote destination.

September Temperature in Tasiilaq

In September, Tasiilaq, Greenland, begins to transition into the chill of autumn, with temperatures marking a distinct shift from the previous summer months. The average temperature hovers around 3°C (38°F), while nighttime lows dip to about -3°C (26°F). This gradual cooling is evident as maximum temperatures peak at 10°C (51°F), providing a crisp atmosphere perfect for those who appreciate the beauty of early autumn. As the month progresses, the days gradually shorten and the landscape transforms, making September a captivating time to experience Tasiilaq's stunning natural scenery.

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

The chart illustrates September temperature patterns in Tasiilaq, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tasiilaq, 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).
JanFebMarAprMayJunJulAugSepOctNovDec212321283237414338332825
Data source: Temperature data for Tasiilaq 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 Tasiilaq

September in Tasiilaq, Greenland, marks a significant transition in precipitation patterns, with 147 mm (5.8 in) falling over 15 days. This uptick in rainfall contrasts with the drier months of August, which saw only 71 mm (2.8 in) across just 7 days. The shift is indicative of the region's seasonal climate, as September often ushers in the more humid atmosphere of autumn. Following the summer's relative warmth and lower moisture, this month emerges as a pivotal juncture, blending the lingering remnants of summer with the impending chill of winter. Overall, September stands out not only for its increased precipitation but also for its role in preparing Tasiilaq for the harsher weather ahead.

September Precipitation Trends in Tasiilaq

The chart displays monthly precipitation patterns in Tasiilaq, 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 Tasiilaq, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec96166104173120871047114710814490
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tasiilaq

In September, Tasiilaq experiences a humidity level of 89%, maintaining a consistent trend seen throughout the year. The months leading up to September, particularly July and August, hover around 90%, indicating a peak in atmospheric moisture during the summer. As the seasons transition into October, humidity slightly dips to 88%, suggesting a subtle shift as the region moves towards winter. Overall, Tasiilaq's humidity remains high year-round, reflecting its coastal climate and contributing to the lush, vibrant landscape that defines this unique Greenlandic town.

September Average Humidity in Tasiilaq

This chart illustrates the average monthly humidity levels in Tasiilaq, 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 Tasiilaq is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%91%87%89%89%90%90%89%88%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tasiilaq

As summer transitions into autumn in Tasiilaq, Greenland, the UV Index presents a notable shift in September, dropping to 3, which falls into the moderate exposure category. This marks a decrease from August's 5, indicating less intensity from the sun while still requiring a bit of awareness during outdoor activities, as the recommended burn time remains at 30 minutes. Historically, this trend shows a gradual decline from the high summer months of June and July, both rated 6, where sun safety becomes more crucial. As we move into the cooler months, the UV levels will continue to decrease, settling back into the low categories by October. For a detailed look at UV trends throughout the year, visit Tasiilaq UV Index.

Maximum UV Index Levels in Tasiilaq for September

The chart shows the monthly maximum UV Index (UVI) for Tasiilaq 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 Tasiilaq typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112456653211
Data source: Tasiilaq 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 Tasiilaq

As summer gives way to autumn, September in Tasiilaq, Greenland, offers a remarkable 200 hours of sunshine, a gradual decline from July's peak of 381 hours. This month marks a shift as the days shorten, but it still holds onto a significant amount of daylight compared to the winter months ahead. Following the vibrant June and July, which bask in 354 and 381 hours respectively, September's luminosity ensures a gentle transition into fall, bridging the gap as the sun dips below the horizon. Although daylight dwindles as the year progresses, September still shines brightly compared to the bleakness of November's mere 62 hours. This period highlights the striking contrasts of Tasiilaq's seasonal light, leaving behind the vibrant summer glow while heralding the cozy embrace of autumn.

Monthly Sunshine Duration in Tasiilaq: September Highlighted

The September sunshine duration represents the total number of hours Tasiilaq 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.
JanFebMarAprMayJunJulAugSepOctNovDec29h67h190h214h340h354h381h337h200h161h62h33h
Data source: Tasiilaq September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tasiilaq During September

In Tasiilaq, Greenland, September marks a notable shift in the likelihood of sunny weather, boasting a 41% chance of sunshine. This increase follows the typical summer months, where the chances dwindle significantly, falling to just 19% in both July and August. September's sunny disposition hints at a transition into autumn, gradually edged towards even brighter October, which has the highest probability of clear skies at 49%. This upward trend not only invites outdoor enthusiasts to embrace the crisp air and vibrant landscapes but also highlights the unique charm of Tasiilaq as seasons change. As the days shorten and temperatures cool, the likelihood of sunshine offers a delightful counterbalance, making September a promising time to experience this stunning part of Greenland.

Percentage of Sunny Days in September in Tasiilaq

The chart illustrates the percentage of sunny days in Tasiilaq 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 Tasiilaq experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%19%24%29%45%37%24%19%41%49%23%36%
Data source: Tasiilaq September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tasiilaq in September

As summer transitions into autumn in Tasiilaq, Greenland, September offers a gentle decline in daylight, with the sun gracing the sky for about 12 hours. This marks a noticeable shift from the long, bright days of July and August, which basked in up to 20 and 16 hours of daylight, respectively. The gradual fade in sunlight signals the approach of winter, as the region begins to prepare for the shorter days ahead. In fact, following September, daylight slips to 9 hours in October and dwindles further to just a few hours as winter sets in. This rhythmic cycle of light not only influences the daily lives of locals but also offers visitors a unique glimpse of the stunning Arctic landscape bathed in the soft, golden hues of early autumn.

Average Daylight Hours in Tasiilaq for September

The chart illustrates the variation in daylight duration in Tasiilaq throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec4h 50m8h 18m11h 50m15h 25m19h 10m22h 27m20h 24m16h 33m12h 59m9h 28m5h 54m3h 23m
Data source: Tasiilaq daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tasiilaq

As summer fades into autumn, the September winds in Tasiilaq, Greenland, begin to pick up, reaching an average speed of 4.2 m/s (9 mph). This marks a noticeable increase from the gentle breezes of July and August, both of which linger at a steady 3.2 m/s (7 mph). While September's winds are still relatively mild compared to the sharper gusts expected in winter—where speeds soar past 6 m/s in December—the slight uptick signifies a transition towards the more robust climatic conditions of the coming months. This month serves as a gentle precursor, inviting the vibrant hues of autumn while hinting at the biting winds yet to come.

Average September Wind Speed in Tasiilaq

The chart displays monthly wind speed patterns in Tasiilaq, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.26.35.94.14.32.93.23.24.2 m/s4.54.76.2
Data source: Tasiilaq September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tasiilaq Compares to Other Months

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

In Tasiilaq, September presents a cooler transition into autumn with average temperatures around 3°C (38°F), fluctuating between a minimum of -3°C (26°F) and a maximum of 10°C (51°F). The month experiences significant rainfall, totaling 147 mm (5.8 in) over approximately 15 days, while humidity remains high at 89%. Conversely, January brings much colder conditions, with average temperatures dropping to -6°C (22°F) and minimums reaching as low as -16°C (4°F). Although January sees less precipitation at 96 mm (3.8 in) over about 14 days, the frigid air maintains the same high humidity level of 89%. For more detailed insights on January's conditions, visit Tasiilaq weather in January.

In comparing the weather of September and February, September boasts milder temperatures with a minimum of -3°C (26°F) and an average of 3°C (38°F), reaching a maximum of 10°C (51°F). In contrast, February is significantly colder, featuring a minimum temperature of -15°C (6°F) and an average of -5°C (23°F), peaking at just 4°C (39°F). Additionally, both months experience considerable precipitation, with September recording 147 mm (5.8 in) over 15 days and February slightly higher at 166 mm (6.5 in) across 19 days. Humidity levels remain relatively similar, with September at 89% and February a bit lower at 88%. For more detailed information, you can visit Tasiilaq weather in February.

September and March present stark contrasts in weather conditions. In September, the temperatures range from a chilly -3°C (26°F) at night to a more moderate 10°C (51°F) during the day, with an average of 3°C (38°F). This month experiences 147 mm (5.8 in) of precipitation over 15 days, coupled with a relatively high humidity of 89%. In contrast, March is significantly colder, with temperatures dipping as low as -18°C (0°F) and peaking at just 2°C (36°F), averaging -6°C (21°F). Precipitation decreases to 103 mm (4.1 in) over 14 days, while humidity remains slightly higher at 91%. For more detailed insights on the chilly conditions in March, you can visit Tasiilaq weather in March.

When comparing the weather between September and April, it's clear that both months experience cold temperatures, but September tends to be slightly warmer. In September, temperatures range from a minimum of -3°C (26°F) to a maximum of 10°C (51°F), with an average of around 3°C (38°F). In contrast, April has more frigid conditions, with a minimum temperature of -12°C (10°F) and a maximum of 5°C (42°F), giving it an average of -2°C (28°F). Additionally, both months see significant precipitation, with September receiving 147 mm (5.8 in) over 15 days and April slightly higher at 173 mm (6.8 in) over 16 days. Humidity levels remain relatively constant, with September at 89% and April at 87%. For more detailed information on April weather, visit Tasiilaq weather in April.

In comparing the weather between September and May, both months experience similar humidity levels of 89%, contributing to a generally damp atmosphere. However, September tends to be slightly warmer, with average temperatures reaching 3°C (38°F) compared to May's chilly average of 0°C (32°F). Additionally, September sees a maximum temperature of 10°C (51°F), while May only peaks at 9°C (48°F). Precipitation is more pronounced in September, with 147 mm (5.8 in) over 15 days, compared to May's 120 mm (4.7 in) over 12 days. For a closer look at May weather specifics, you can check Tasiilaq weather in May.

In comparing the weather of September and June, both months exhibit similar temperature ranges with a minimum of -3°C (26°F in September and 27°F in June), and average temperatures hovering around 3°C (38°F). However, September experiences slightly cooler maximum temperatures, peaking at 10°C (51°F), compared to June's warmer maximum of 12°C (54°F). Precipitation is notably higher in September, with 147 mm (5.8 in) over 15 days, whereas June sees 87 mm (3.4 in) across 10 days. Despite these differences, both months maintain a high humidity level of 89%. For more detailed insights, you can visit Tasiilaq weather in June.

In comparing the weather between September and July, September tends to be colder overall, with average temperatures ranging from a minimum of -3°C (26°F) to a maximum of 10°C (51°F), as opposed to July's milder range of -1°C (30°F) to 13°C (56°F). Precipitation is also notably higher in September, featuring 147 mm (5.8 in) over 15 days, compared to July's 104 mm (4.1 in) within just 8 days. Humidity levels remain relatively consistent, with September at 89% and July slightly higher at 90%. For more detailed insights, you can check Tasiilaq weather in July.

In September, temperatures begin to dip, with a minimum of -3°C (26°F) and an average of 3°C (38°F), compared to August's milder range with a minimum of 1°C (34°F) and an average of 6°C (43°F). The maximum temperatures also reflect this shift, with September peaking at just 10°C (51°F), while August can reach as high as 15°C (58°F). Precipitation increases significantly in September, totaling 147 mm (5.8 in) over 15 days, in stark contrast to August's 71 mm (2.8 in) over only 7 days. Humidity remains high in both months, slightly decreasing from 90% in August to 89% in September. For a closer look at August weather conditions, you can refer to Tasiilaq weather in August.

September and October present a noticeable shift in weather conditions. In September, temperatures range from a minimum of -3°C (26°F) to a maximum of 10°C (51°F), with an average temperature of 3°C (38°F). This month experiences significant precipitation of 147 mm (5.8 in) over 15 days, accompanied by high humidity at 89%.

In contrast, October sees a further drop in temperatures, with a minimum of -7°C (20°F), an average of 1°C (33°F), and a maximum of 7°C (45°F). Precipitation decreases to 108 mm (4.3 in) over 12 days, with humidity slightly lower at 88%. As autumn progresses into October, the weather becomes cooler and slightly drier, indicating a distinct transition into winter. For more detailed weather information, visit Tasiilaq weather in October.

In comparing the weather between September and November, one can observe notable shifts in temperatures and conditions. September experiences a milder climate, with average temperatures around 3°C (38°F), while November sees a drop, with average temperatures reaching -2°C (29°F). Both months receive similar amounts of precipitation, with September recording 147 mm and November slightly lower at 144 mm, yet they both share the same frequency of rainy days at 15. Humidity remains high in both months, with September at 89% and November at 88%, indicating a persistently damp atmosphere. For further details about November's climate, you can check out Tasiilaq weather in November.

September and December in Tasiilaq present markedly different weather conditions. In September, temperatures range from a chilly -3°C (26°F) at night to a mild average of 3°C (38°F) during the day, with highs reaching 10°C (51°F). The month also witnesses significant rainfall, with a total precipitation of 147 mm (5.8 in) over 15 days and high humidity at 89%. In contrast, December brings much colder weather, with temperatures plummeting to a minimum of -15°C (6°F) and an average of -4°C (26°F). While precipitation decreases to 90 mm (3.6 in) over 11 days, humidity remains relatively high at 88%. For more details, check out Tasiilaq weather in December.

Compare Tasiilaq's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Tasiilaq

As September arrives in Tasiilaq, it ushers in the transition from summer's warmth to the crispness of autumn. This month typically presents a cooler climate with an average temperature dipping noticeably, making it a stark contrast to the milder summer months. Expect frequent rainy days, as September sees a significant amount of precipitation, contributing to the region's lush, vibrant landscape. The sky often carries a misting humidity that enriches the atmosphere, giving Tasiilaq its enchanting charm during this time of year. To gain further insights into how this month compares to others, explore the detailed weather patterns at Tasiilaq Climate.