September weather forecast
Greenland

September in Greenland signifies the arrival of autumn, with temperatures across the country beginning to descend more sharply. The coastal regions typically experience temperatures fluctuating between 3°C (37.4°F) and 8°C (46.4°F), while the inland ice cap regions brace for the encroaching winter with temperatures frequently falling below -10°C (14°F).

In Nuuk, average temperatures hover around 5°C (41°F) in September. Daylight hours continue to reduce significantly, and the city's landscapes begin their transformation into a vibrant display of autumn hues. Towards the end of the month, the first snowfall often dusts the city, signalling the imminent arrival of winter.

Further north, Ilulissat experiences average temperatures around 2°C (35.6°F) in September. The daylight hours have noticeably shortened, yet the city remains a hub for outdoor activities, with the backdrop of the changing season adding a unique charm to the landscapes.

Compared to August, September brings a significant reduction in temperatures and daylight hours, contributing to the country's shift into autumn. The transition from September to October is marked by the further advance of colder conditions, with October often witnessing the first substantial snowfall. Despite the cooling temperatures, September offers the opportunity to witness the vibrant autumn colours and the return of the Northern Lights, making it a uniquely beautiful time to visit Greenland.

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• Nuuk - September »
  The month with the most rainfall in Nuuk, Greenland, is September, when the rain falls for 14.1 days and typically aggregates up to 89mm (3.5") of precipitation. In Nuuk, Greenland, in September, during 14.1 rainfall days, 89mm (3.5") of precipitation is typically accumulated.
• Sisimiut - September »
  In Sisimiut, in September, during 12.4 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In Sisimiut, in September, it is raining for 12.4 days, with typically 51mm (2.01") of accumulated precipitation.
• Ilulissat - September »
  The month with the most rainfall in Ilulissat is September, when the rain falls for 9 days and typically aggregates up to 35mm (1.38") of precipitation. September is the month with the warmest seawater in Ilulissat with an average sea temperature of 3.4°C (38.1°F).
• Qaqortoq - September »
  On the first day of September in Qaqortoq, sunrise is at 06:59 and sunset at 21:08. September's onset in Qaqortoq corresponds with a subtle shift in the average high-temperature, slightly moving from a fresh 11°C (51.8°F) in August to a chilly 8°C (46.4°F).
• Aasiaat - September »
  In Aasiaat in September, during 5.5 snowfall days, 23mm (0.91") of snow is typically accumulated. In Aasiaat, Greenland, in September, during 6.9 rainfall days, 16mm (0.63") of precipitation is typically accumulated.
• Maniitsoq - September »
  On the last day of September, in Maniitsoq, sunrise is at 08:40 and sunset at 20:01 -01. In Maniitsoq in September, the average water temperature is 3.8°C (38.8°F).
• Narsaq - September »
  In Narsaq in September, it is raining for 10.9 days, with typically 27mm (1.06") of accumulated precipitation. On the first day of September in Narsaq, sunrise is at 06:58 and sunset at 21:09.
• Paamiut - September »
  On the first day of September in Paamiut sunrise is at 07:10 and sunset at 21:26. In Paamiut, during September, the rain falls for 11 days and regularly aggregates up to 80mm (3.15") of precipitation.
• Uummannaq - September »
  September is the month with the warmest seawater in Uummannaq, with an average sea temperature of 3.3°C (37.9°F). On the first day of September in Uummannaq, sunrise is at 06:43 and sunset at 22:13.
• Nanortalik - September »
  With September's arrival, Nanortalik notes an average high-temperature of a still chilly 7°C (44.6°F), closely following the trend of the preceding month. What time are sunrise and sunset in September in Nanortalik?
• Qasigiannguit - September »
  The month with the warmest seawater in Qasigiannguit is September, with an average sea temperature of 3.8°C (38.8°F). On the first day of September in Qasigiannguit, Greenland, sunrise is at 06:49 and sunset at 21:59.
• Upernavik - September »
  On the first day of September in Upernavik, Greenland, sunrise is at 06:44 and sunset at 22:44. With the arrival of September, Upernavik notices a mild change in the average high-temperature, sliding from August's frosty 7.7°C (45.9°F) to a cold 3°C (37.4°F).