Weather in Nuuk in September 2025
Average weather
Average temperature in Nuuk in September
The temperature in September is +41°F on average, with a range between a maximum of +46°F during the day and a minimum of +32°F at night.
The average maximum temperature goes down 37% by the end of the month, compared with the beginning of the month, from +45°F to +39°F.
Is Nuuk warm or cold in September?
Nuuk is typically chill in September.
Maximum temperatures go down compared to the previous month from +50°F to +43°F. The minimum temperature also goes down from +41°F to +36°F.
Pack a jumper and a jacket as there will be cooler temperatures.
Take a look at how September is compared to other months in Nuuk:
Climate in Nuuk in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +50°F | +43°F | +34°F | ||||
| Min. temperature | ||||||
| +32°F | +18°F | +3°F | ||||
| Max. temperature | ||||||
| +70°F | +66°F | +57°F | ||||
| Rainfall | ||||||
| 78 mm | 76 mm | 34 mm | ||||
| Wind | ||||||
| 3 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 85% | 82% | 78% | ||||
| Air pressure | ||||||
| 1009 HPa | 1007 HPa | 1007 HPa | ||||
| Sunny days | ||||||
| 2 | 3 | 4 | ||||
| Cloudy days | ||||||
| 15 | 12 | 15 | ||||
| Rainy days | ||||||
| 14 | 11 | 3 | ||||
| Snowy days | ||||||
| 0 | 4 | 10 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +50°F in the day, the average maximum temperature lowers to +43°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 78 mm to 76 mm. It feels drier, as humidity decreases from 85% to 82%. Winds are stronger in comparison to August, going up from 3 m/s to 4 m/s on average. The good news is there are likely to be more sunny days in September, from 2 to 3.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 5 m/s getting up to 16 m/s which is quite strong. The wind will cause branches to move and ground debris to fly around.
The average wind speed in Nuuk is gradually decreasing during September, going from 8 m/s to 3 m/s over the course of the month.
Rain
Snow
Here’s how September is compared with other months in the amount of snow, total mm:
How was the weather last September in Nuuk?
Climate Change Over the Years
The climate in Nuuk in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1984 (+26°F) and the highest in 2010 (+40°F). The driest year was 1982 with only 198 mm of rainfall, and the wettest year was 2012 with 696 mm.
FAQ
Is September a good time to visit Nuuk?
Can you sunbathe in Nuuk in September?
Is Nuuk rainy in September?
Is it sunny in Nuuk in September?
Monthly weather in Nuuk
Source of the data
For this page, we’ve looked at the typical weather in Nuuk, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
