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.

---

• Nuuk - September »
  The month with the most rainfall in Nuuk is September, when the rain falls for 14.1 days and typically aggregates up to 89mm (3.5") of precipitation. In September, in Nuuk, the rain falls for 14.1 days.
• Sisimiut - September »
  On the first day of September in Sisimiut sunrise is at 06:06 and sunset at 21:03. 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. In Ilulissat, Greenland, during September, the rain falls for 9 days and regularly aggregates up to 35mm (1.38") of precipitation.
• Qaqortoq - September »
  On the last day of September, in Qaqortoq, Greenland, sunrise is at 07:07 and sunset at 18:40 -02. On the first day of September in Qaqortoq sunrise is at 05:57 and sunset at 20:11.
• Aasiaat - September »
  In Aasiaat, in September, during 6.9 rainfall days, 16mm (0.63") of precipitation is typically accumulated. In Aasiaat, in September, during 6.9 rainfall days, 16mm (0.63") of precipitation is typically accumulated.
• Maniitsoq - September »
  On the first day of September in Maniitsoq, sunrise is at 06:09 and sunset at 20:53. When are sunrise and sunset in September in Maniitsoq?
• Narsaq - September »
  On the first day of September in Narsaq sunrise is at 05:56 and sunset at 20:11. September is the first month it typically snows in Narsaq, Greenland.
• Paamiut - September »
  In Paamiut in September, during 11 rainfall days, 80mm (3.15") of precipitation is typically accumulated. In Paamiut, Greenland, in September, it is raining for 11 days, with typically 80mm (3.15") of accumulated precipitation.
• Uummannaq - September »
  With an average sea temperature of 3.3°C (37.9°F), September is the month with the warmest seawater in Uummannaq, Greenland. The month with the warmest seawater in Uummannaq is September, with an average sea temperature of 3.3°C (37.9°F).
• Nanortalik - September »
  On the first day of September in Nanortalik, Greenland, sunrise is at 05:55 and sunset at 20:06. On the first day of September in Nanortalik, sunrise is at 05:55 and sunset at 20:06.
• Qasigiannguit - September »
  With an average sea temperature of 3.8°C (38.8°F), September is the month with the warmest seawater in Qasigiannguit, Greenland. On the first day of September in Qasigiannguit, sunrise is at 05:46 and sunset at 21:02.
• Upernavik - September »
  The month with the most rainfall in Upernavik is September, when the rain falls for 11 days and typically aggregates up to 38mm (1.5") of precipitation. The start of September in Upernavik, Greenland, comes with a small reduction in the average high-temperature, subtly receding from a frosty 7.7°C (45.9°F) in August to a cold 3°C (37.4°F).