Sisimiut
Greenland
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Sisimiut, Greenland

The first month of the autumn, Septiembre, is also a wintry month in Sisimiut, Greenland, with average temperature ranging between min 0.7°C (33.3°F) and max 5.8°C (42.4°F).

Temperature

In Septiembre, the average high-temperature slightly decreases, from a chilly 9.3°C (48.7°F) in Agosto, to a cold 5.8°C (42.4°F). The average low-temperature, is 0.7°C (33.3°F).

Rainfall

In Septiembre, in Sisimiut, the rain falls for 12.4 days. Throughout Septiembre, 51mm (2.01") of precipitation is accumulated. In Sisimiut, during the entire year, the rain falls for 137.2 days and collects up to 382mm (15.04") of precipitation.

Snowfall

Enero through Diciembre are months with snowfall. In Septiembre, in Sisimiut, snow falls for 4.3 days. Throughout the year, there are 94.4 snowfall days.

Sea temperature

In Sisimiut, the average seawater temperature is 4.3°C (39.7°F).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

The average length of the day in Sisimiut is 13.1h.

Sunshine

The average sunshine in Septiembre is 4.6h.

What is the temperature in Septiembre in Sisimiut?

The average high-temperature, in Septiembre, in Sisimiut, is 5.8°C (42.4°F), while the average low-temperature is 0.7°C (33.3°F).

How much does it rain in Sisimiut in Septiembre?

In Septiembre, the rain falls for 12.4 days. Throughout Septiembre, 51mm (2.01") of precipitation is accumulated.

How many days does it snow in Septiembre in Sisimiut?

In Sisimiut, during Septiembre, snow falls for 4.3 days.

What is the sea temperature in Septiembre in Sisimiut?

In Sisimiut, the average seawater temperature in Septiembre is 4.3°C (39.7°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the average length of the day in Septiembre in Sisimiut?

In Sisimiut, Greenland, the average length of the day in Septiembre is 13.1h.

How long on average sun shines in Septiembre in Sisimiut?

The average sunshine in Septiembre in Sisimiut, Greenland, is 4.6h.
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

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 lowest 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 lowest number of rainy days is June (9.1 days).

Average snowfall days in September - Sisimiut, Greenland
  • Average snowfall days in September: 4.3 days

Months with the highest number of snowfall days are November and December (13.1 days).
The month with the lowest number of 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).
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: 13.1h

The month with the longest days is June (Average daylight: 24h).
The month with shortest days is December (Average daylight: 2.2h).

  • Average sunshine in September: 4.6h

The month with most sunshine is July (Average sunshine: 8.3h).
The month with least sunshine is December (Average sunshine: 0h).