Overall on the next 14 days there will be 7 days with snow in Sisimiut and a total of 13.7 cm of snow.
It will be snowy on the following days:
Sisimiut weather in September 2026
Click on a day for an hourly weather forecast
Saturday
Sep 19
0.1 cm
4° / 1°
Sunday
Sep 20
0 mm
4° / 0°
Monday
Sep 21
0.1 cm
3° / 0°
Tuesday
Sep 22
0.7 cm
3° / 1°
Wednesday
Sep 23
0 mm
3° / 0°
Thursday
Sep 24
0 mm
3° / 0°
Friday
Sep 25
0.6 cm
2° / 1°
Saturday
Sep 26
0 mm
3° / 0°
Sunday
Sep 27
0 mm
2° / -1°
Monday
Sep 28
3.7 cm
2° / -1°
Tuesday
Sep 29
0.9 cm
2° / 0°
Wednesday
Sep 30
0 mm
1° / -5°
Thursday
Oct 1
0 mm
-2° / -5°
Friday
Oct 2
7.6 cm
0° / -2°
🌨️ Snowy days in Sisimiut 2026 (September)
The average weather in Sisimiut in September
The weather in Sisimiut in September is very cold with temperatures between 2°C and 5°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Sisimiut during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
You can expect a few days of snow in Sisimiut during September. It’s important to get out your snow boots and warm mittens to stay warm while you explore Sisimiut.
Our weather forecast can give you a great sense of what weather to expect in Sisimiut in September 2026.
If you’re planning to visit Sisimiut in the near future, we highly recommend that you review the 14 day weather forecast for Sisimiut before you arrive.
Temperatures
5° / 2°
Rainy Days
7
Snowy Days
7
Dry Days
15
Rainfall
57
mm
Sun Hours
8.0
Hrs
Historic average weather for September
Click on a day for an hourly weather forecast
Explore the weather in Sisimiut in other months
Sisimiut annual weather
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -10° / -14° | 3 | 9 | 19 | 48 mm | Awful | Sisimiut in January |
| February | -12° / -16° | 2 | 8 | 18 | 29 mm | Awful | Sisimiut in February |
| March | -10° / -16° | 3 | 8 | 20 | 40 mm | Awful | Sisimiut in March |
| April | -4° / -10° | 4 | 10 | 16 | 55 mm | Awful | Sisimiut in April |
| May | 2° / -3° | 5 | 14 | 12 | 36 mm | Awful | Sisimiut in May |
| June | 7° / 3° | 3 | 24 | 3 | 27 mm | Bad | Sisimiut in June |
| July | 11° / 6° | 5 | 26 | 1 | 61 mm | Ok | Sisimiut in July |
| August | 10° / 6° | 7 | 24 | 1 | 76 mm | Bad | Sisimiut in August |
| September | 5° / 2° | 7 | 15 | 7 | 57 mm | Awful | Sisimiut in September |
| October | 0° / -3° | 4 | 12 | 15 | 59 mm | Awful | Sisimiut in October |
| November | -5° / -9° | 4 | 7 | 18 | 61 mm | Awful | Sisimiut in November |
| December | -7° / -10° | 4 | 8 | 20 | 60 mm | Awful | Sisimiut in December |
Temperatures in Sisimiut in September
Rain in Sisimiut in September
Recommended Hotels in Sisimiut
Weather in Sisimiut in September - FAQ
What is the average temperature in Sisimiut in September?
The average temperature in Sisimiut in September is 2/5° C.
What is the chance of rain in Sisimiut in September?
On average, there are 7 rainy days in Sisimiut during September.
Weather wise, is September a good time to visit Sisimiut?
The weather in Sisimiut in September is awful.
Can it snow in Sisimiut in September?
On average, there are 7 snowy days in Sisimiut in September.
More about the weather in Sisimiut