Weather in September
Temperature
As August makes way for September, Sisimiut's average high-temperature eases from a chilly 9.3°C (48.7°F) to a cold 5.8°C (42.4°F). The low-temperature averages to a still icy 0.7°C (33.3°F) during the nights of September.Rainfall
In Sisimiut, in September, during 12.4 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In Sisimiut, during the entire year, the rain falls for 137.2 days and collects up to 382mm (15.04") of precipitation.Snowfall
Months with snowfall are January through December. In September, in Sisimiut, snow falls for 4.3 days. Throughout the year, in Sisimiut, there are 94.4 snowfall days.Sea temperature
In Sisimiut, in September, the average water temperature is 4.3°C (39.7°F).Note: In the realm of swimming, this is life-threatening and fraught with danger. The cold water triggers intense discomfort and leads to swift hyperventilation. Donning a specialized swimsuit is essential to curb thermal harm.
Daylight
In September, the average length of the day is 13h and 8min.On the first day of September in Sisimiut, sunrise is at 07:08 and sunset at 22:00. On the last day of the month, sunrise is at 08:45 and sunset at 20:03 -01.
Sunshine
The average sunshine in September in Sisimiut, Greenland, is 4.6h.Frequently asked questions
How cold is September in Sisimiut?
How many days does it rain in September in Sisimiut?
How many days does it snow in September in Sisimiut?
How cold is the water in September in Sisimiut?
How many hours of daylight does Sisimiut have in September?
When is the sunrise / sunset in September in Sisimiut?
How long on average sun shines in September in Sisimiut?
Average temperature in September
Sisimiut, Greenland
- Average high temperature in September: 5.8°C
The warmest month (with the highest average high temperature) is July (9.8°C).
The month with the lowest average high temperature is February (-10.2°C).
- Average low temperature in September: 0.7°C
The months with the highest average low temperature are July and August (3.3°C).
The coldest month (with the lowest average low temperature) is March (-18°C).
Average rainfall in September
Sisimiut, Greenland
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is August (52mm).
The driest month (with the least rainfall) is May (18mm).
Average rainfall days in September
Sisimiut, Greenland
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is November (14.4 days).
The month with the least rainy days is June (9.1 days).
Average snowfall days in September
Sisimiut, Greenland
- Average snowfall days in September: 4.3 days
The months with the highest number of snowfall days are November and December (13.1 days).
The month with the least snowfall days is August (0.2 days).
Average sea temperature in September
Sisimiut, Greenland
- Average sea temperature in September: 4.3°C
The best month for swimming (with the highest average sea temperature) is August (4.8°C).
The coldest months (with the lowest average sea temperature) are February and March (-1.3°C).
Average daylight in September /
Average sunshine in September
Sisimiut, Greenland
- Average daylight in September: 13h and 1min
The month with the longest days is May (Average daylight: 20h and 0min).
The month with the shortest days is June (Average daylight: 0h and 48min).
- Average sunshine in September: 4h and 4min
The month with the most sunshine is July (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 0h and 0min).
Sisimiut, Greenland
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