Nuuk weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Poor
Best time to visit: July
What is the weather like in Nuuk in September?
In September, Nuuk is cold: daytime highs average 7 °C, and nights cool down to about 2 °C. The sea averages 4.1 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 95 mm in total. Snow falls on about 2 days. All in all, September is not an ideal month for a holiday in Nuuk.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 37 | 20 | 19 |
| Day | 11° | 7° | 1° |
| Night | 5° | 2° | −4° |
| Sea | 6° | 4° | 3° |
| Sun | 6 h | 5 h | 3 h |
| Rain days | 11 | 12 | 10 |
More details for September
- Daylight
- 13 h 11 min07:47 – 20:58
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 25 km/haverage daily peakAll months
- Cloud cover
- 72 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 2 days1 cm or more of fresh snowAll months
- Time zone
- UTC−1America/Nuuk
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %32 %
- Few rainy daysweight 30 %44 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Warm jacket
- Rain jacket or umbrella
Nuuk in September: quick answers
Is Nuuk hot in September?
No. In September, Nuuk is cold: daytime highs average 7 °C and nights drop to about 2 °C.
Can you swim in Nuuk in September?
Only if you don't mind cold water: in September the sea averages just 4.1 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Nuuk in September?
Rain is frequent, with about 12 rainy days and 95 mm in total.
Nuuk month by month
The whole year in NuukAll destinations: GreenlandWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences