Last updated: August 21, 2025
September in Nanortalik, Greenland offers a remarkable transition into autumn, with temperatures ranging from a maximum of 16°C (61°F) to a minimum of -5°C (24°F), averaging around 5°C (41°F). This month witnesses a significant amount of precipitation, totaling 142 mm (5.6 in) over the course of 13 days, contributing to the region’s lush landscapes. Humidity levels remain high at 92%, enveloping the area in a crisp, misty atmosphere that accentuates the stunning natural beauty of this remote locale. Whether experiencing the vibrant fall colors or the serene, overcast skies, visitors to Nanortalik in September will find a captivating blend of climate and scenery.
As September rolls into Nanortalik, Greenland, the transition from summer's gentle warmth to autumn's chill begins to take shape. Average temperatures dip to around 5°C (41°F), marking a noticeable shift from the milder summer months. The daily temperature range spans from a minimum of -5°C (24°F) to a cozy maximum of 16°C (61°F), offering a refreshing balance for outdoor enthusiasts and nature lovers. This month acts as a bridge, with the lingering warmth of late summer still present but gradually making way for the more biting cold of October. The crisp air, combined with stunning autumnal views, makes September a captivating time to explore the rugged beauty of this Greenlandic town.
September is a notable month for precipitation in Nanortalik, Greenland, with total rainfall reaching a significant 142 mm (5.6 in) over 13 days. This surge marks a clear uptick compared to the preceding months, where levels hovered below 100 mm. The onset of autumn seems to usher in heavier rains, as September's precipitation is not only the highest of the summer months but also paves the way for an even wetter November, which averages 153 mm (6.0 in). With the rain's intensity increasing, these patterns highlight the transition towards the harsher Arctic climate, engaging both local ecosystems and residents in noteworthy weather changes as they prepare for the upcoming winter.
In September, the humidity in Nanortalik, Greenland settles at a notable 92%, continuing the trend of high moisture levels that characterize the region. Throughout the year, humidity remains strikingly high, with peaks in the summer months—94% in July and 95% in August—reflecting a warm, damp atmosphere. As autumn approaches, September's figures align closely with those seen in the spring, notably May and June, which also maintain a high humidity of 92%. This consistency highlights an intriguing aspect of Nanortalik's climate: regardless of the changing seasons, the air tends to retain a significant amount of moisture, creating a lush, vibrant environment year-round.
In September, the UV Index in Nanortalik, Greenland registers at a moderate level of 4, indicating a notable trend as summer fades and autumn approaches. This month marks a decrease from the high points earlier in the season, such as the 6 observed in July and May, showcasing the gradual decline in sun intensity. With a recommended burn time of 30 minutes, it's essential to remain mindful of sun exposure despite the milder UV levels. As the year progresses, the UV Index dips to 2 in October and 1 by December, reinforcing the seasonal shift towards lower sunlight. For more detailed information, visit Nanortalik UV Index.
UV Risk Categories
September in Nanortalik, Greenland, marks a delightful transition as the summer days begin to wane, offering 240 hours of sunshine. This amount of daylight, while less than the peak of 334 hours in May, still reflects a significant amount of sunlight compared to the bleak mid-winter months. As the seasons change, the sunny hours gradually decline, moving from the vibrant, sun-drenched days of summer, with 300 hours in July and 270 hours in August, to the shorter days of October. This seasonal fluctuation not only highlights the area's unique climatic patterns but also invites locals and visitors alike to savor the gentle warmth of early autumn in this stunning Arctic landscape.
In Nanortalik, Greenland, September presents a notable shift in weather patterns, with the chance of sunny days rising to 44%. This increase marks a departure from the summer months, which see significantly lower sunshine probabilities, especially in July and August, where the chances plummet to 9% and 15%, respectively. The trend continues with a gradual rise into October, which boasts a 51% chance of sun. This transition indicates that by September, residents and visitors alike can anticipate more bright days, as the region begins to pivot from the rain-soaked summer, offering a refreshing glimpse of sunshine before the darker months set in.
As September arrives in Nanortalik, Greenland, daylight begins to wane after the sun-soaked months of summer. With 12 hours of daylight, this transitional period marks a gentle retreat from the 18 hours seen in June, reflecting the gradual shift towards autumn. Despite the decline, September retains a comfortable brightness, with ample light for exploration and outdoor activities. This month serves as a bridge, easing into the shorter days of October, where daylight decreases to just 10 hours. As the year progresses, the rhythm of changing daylight hours in Nanortalik showcases nature's seasonal ebb and flow, inviting residents and visitors alike to savor these fleeting moments of summer's remnants.
In September, the wind in Nanortalik, Greenland, gently picks up, with an average speed of 2.7 m/s (6 mph)—a subtle increase from the summer months. This transition marks a shift in the season, as the winds remain light throughout the earlier months of the year, typically hovering around 2.2 to 2.5 m/s from May through August. Notably, September's breeze begins to set the stage for the more robust gusts that follow in the fall and winter, foreshadowing November's higher average of 3.2 m/s and December's peak of 3.8 m/s. This gentle uptick in wind speed reflects a seasonal change, inviting thoughts of nature's cyclic ebb and flow as the landscape prepares for the colder months ahead.
Weather in Nanortalik varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Nanortalik, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather conditions. In September, the temperatures range from a chilly minimum of -5°C (24°F) to a more temperate maximum of 16°C (61°F), with an average of around 5°C (41°F). The month is also characterized by significant precipitation, totaling 142 mm (5.6 in) over 13 days, and relatively high humidity at 92%. In contrast, January brings much colder temperatures, with a minimum dipping to -17°C (1°F) and an average of -7°C (20°F), peaking at just 5°C (41°F). Despite the colder conditions, January receives less precipitation, totaling 90 mm (3.6 in) over the same number of days (13), while humidity remains slightly lower at 90%. For more detailed information, you can check Nanortalik weather in January.
When comparing the weather in September and February, it’s clear that February is significantly colder, with average temperatures dipping to -8°C (18°F) compared to September's more moderate average of 5°C (41°F). The minimum temperatures in February can plummet to -19°C (-2°F), making it a much harsher month weather-wise. Additionally, while September experiences more precipitation at 142 mm (5.6 in) over 13 days, February sees a considerably lower total of 68 mm (2.7 in) across just 9 days. Despite both months maintaining a high humidity level of 92%, the conditions in February's frigid climate present a stark contrast to the milder, damp September weather. For a more detailed look at February weather in Nanortalik, check out Nanortalik weather in February.
When comparing the weather in September and March, it's clear that March is significantly colder. In September, temperatures range from a minimum of -5°C (24°F) to a maximum of 16°C (61°F), resulting in a mild average of 5°C (41°F). In contrast, March experiences much harsher conditions, with temperatures dipping as low as -19°C (-2°F) and an average of -5°C (23°F), peaking at just 7°C (45°F). Although September sees slightly more precipitation at 142 mm (5.6 in) over 13 days compared to March's 114 mm (4.5 in) over 12 days, both months maintain high humidity levels of 92%, creating a persistently damp atmosphere. For a closer look at the specific weather patterns in March, you can visit Nanortalik weather in March.
When comparing the weather in September and April, September generally provides a milder experience. The average temperature in September is 5°C (41°F), peaking at 16°C (61°F), while April's temperatures are noticeably colder, with an average of 0°C (31°F) and a maximum of only 8°C (46°F). Precipitation is higher in September, totaling 142 mm (5.6 in) over 13 days, compared to April's 72 mm (2.8 in) across 11 days. Humidity is also somewhat higher in September at 92%, whereas April maintains a relatively lower humidity level of 88%. For a detailed look at April weather conditions, you can check Nanortalik weather in April.
When comparing the weather in September and May, both months showcase cool temperatures and high humidity levels of 92%. However, September generally experiences milder conditions with an average temperature of 5°C (41°F) and a maximum of 16°C (61°F), while May is slightly cooler, with an average of 3°C (37°F) and a maximum of 13°C (55°F). Additionally, September sees a higher level of precipitation at 142 mm (5.6 in) over 13 days compared to May's 60 mm (2.4 in) over just 9 days. For a more detailed look at May's conditions, check out Nanortalik weather in May.
When comparing the weather patterns of September and June, we observe notable differences in temperature and precipitation. September tends to be cooler, with average temperatures ranging from a minimum of -5°C (24°F) to a maximum of 16°C (61°F), while June has slightly warmer averages, with temperatures ranging from -2°C (28°F) to 17°C (63°F). In terms of precipitation, September experiences significantly more rain, accumulating 142 mm (5.6 in) over 13 days, compared to June's 69 mm (2.7 in) across 9 days. Interestingly, both months share the same humidity level at 92%, indicating that the air remains quite moist throughout. For a detailed look at weather in June, you can check this link: Nanortalik weather in June.
In comparing the weather between September and July, September tends to be significantly cooler, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 16°C (61°F), averaging around 5°C (41°F). In contrast, July experiences milder temperatures, with a minimum of 1°C (33°F) and a maximum of 18°C (65°F), giving an average of 8°C (47°F). Additionally, September sees more precipitation, totaling 142 mm (5.6 in) over 13 days, compared to July's 95 mm (3.7 in) over the same number of days. This results in slightly higher humidity levels in September at 92%, compared to 94% in July. For a detailed overview of July weather in this region, you can check Nanortalik weather in July.
In comparing the weather patterns of September and August, September experiences notably cooler temperatures, with an average of 5°C (41°F) compared to August's average of 8°C (47°F). The minimum temperatures in September can drop as low as -5°C (24°F), while August sees a milder minimum of 2°C (36°F). Moreover, September is marked by higher precipitation, totaling 142 mm (5.6 in) over 13 days, which contrasts with August's 76 mm (3.0 in) over 11 days. Humidity also remains high in both months, but is slightly lower in August at 95% compared to September's humid 92%. For more detailed insights about August's weather, you can visit Nanortalik weather in August.
September and October exhibit notable differences in weather conditions. In September, temperatures range from a minimum of -5°C (24°F) to a maximum of 16°C (61°F), with an average of 5°C (41°F) and a relatively high precipitation of 142 mm (5.6 in) over 13 days, making the month quite humid at 92%. By contrast, October sees cooler temperatures, with a minimum of -9°C (17°F) and a maximum of 11°C (52°F), averaging just 2°C (36°F). Precipitation decreases to 81 mm (3.2 in) over 9 days, and humidity slightly lowers to 90%. For a more detailed look at the conditions, you can check Nanortalik weather in October.
In comparing the weather between September and November, one can observe a significant shift in temperatures and precipitation patterns. September offers a milder climate with average temperatures ranging from a minimum of -5°C (24°F) to a maximum of 16°C (61°F), while November sees a notable drop, with temperatures dipping to a minimum of -14°C (7°F) and only peaking at 8°C (46°F). Both months experience considerable precipitation, with September recording 142 mm (5.6 in) over 13 days and November slightly higher at 153 mm (6.0 in) over 14 days. Humidity remains relatively high in both months, at 92% in September and 90% in November. The distinct transition to colder weather in November is evident, making it a stark contrast to the more temperate conditions of September. For a more detailed look at November weather in Nanortalik, please visit Nanortalik weather in November.
September and December weather exhibit distinct differences in temperature and overall conditions. In September, temperatures range from a chilly -5°C (24°F) at the minimum to a milder max of 16°C (61°F), creating an average of around 5°C (41°F). The month also experiences substantial rainfall, with 142 mm (5.6 in) over 13 days, and humidity remains high at 92%. In contrast, December brings colder temperatures, with a minimum of -15°C (6°F) and an average of -3°C (26°F), peaking at only 7°C (45°F). It sees slightly less precipitation at 117 mm (4.6 in), also over 13 days, with a marginally lower humidity of 90%. For those interested in the specific conditions of December, more details can be found in this link: Nanortalik weather in December.
As September rolls into Nanortalik, the weather experiences a noticeable shift, characterized by a drop in temperatures compared to the summer months, with an average hovering around 5°C (41°F). This transition not only brings cooler days but also increased precipitation, with rain gracing the area on nearly half the days of the month, contributing to a total of 142 mm (5.6 in). The high humidity levels, at a remarkable 92%, add to the cool, damp feel of the atmosphere, making it a unique time to experience the natural beauty of Greenland. For those looking to understand the broader patterns of this remarkable location, more detailed information can be found at Nanortalik Climate.