September weather forecast and climate
Narsarsuaq, Greenland

September, the first month of the autumn, in Narsarsuaq, is still a chilly month, with average temperature ranging between max 9°C (48.2°F) and min 2°C (35.6°F).

Temperature

In Narsarsuaq, the average high-temperature marginally drops, from a moderate 13.2°C (55.8°F) in August, to a frosty 9°C (48.2°F). In Narsarsuaq, in September, the average low-temperature is 2°C (35.6°F).

Rainfall

In Narsarsuaq, during September, the rain falls for 11.2 days and regularly aggregates up to 68mm (2.68") of precipitation. Throughout the year, there are 121.8 rainfall days, and 614mm (24.17") of precipitation is accumulated.

Snowfall

January through June, August through December are months with snowfall. In Narsarsuaq, during September, snow falls for 1.3 days. In Narsarsuaq, during the entire year, snow falls for 59.7 days.

Sea temperature

In Narsarsuaq, the average seawater temperature in September is 4°C (39.2°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 Narsarsuaq is 12.9h.

Sunshine

In Narsarsuaq, Greenland, the average sunshine is 4.5h.

UV index

In September, the average daily maximum UV index in Narsarsuaq is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the average person.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in September in Narsarsuaq?

In September, in Narsarsuaq, the average high-temperature is 9°C (48.2°F), and the average low-temperature is 2°C (35.6°F).

How much does it rain in Narsarsuaq in September?

In Narsarsuaq, in September, it is raining for 11.2 days, with typically 68mm (2.68") of accumulated precipitation.

How many days does it snow in September in Narsarsuaq?

In Narsarsuaq, Greenland, during September, snow falls for 1.3 days.

What is the sea temperature in September in Narsarsuaq?

In Narsarsuaq, Greenland, in September, the average water temperature is 4°C (39.2°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the average length of the day in September in Narsarsuaq?

In September, the average length of the day is 12.9h.

How many hours of sunshine does Narsarsuaq have in September?

In Narsarsuaq, the average sunshine in September is 4.5h.

What is the UV index intensity in September in Narsarsuaq?

In September, the average daily maximum UV index in Narsarsuaq is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in September - Narsarsuaq, Greenland
  • Average high temperature in September: 9°C

The warmest month (with the highest average high temperature) is July (14.3°C).
The month with the lowest average high temperature is January (-2.6°C).

  • Average low temperature in September: 2°C

The month with the highest average low temperature is July (6.4°C).
The coldest month (with the lowest average low temperature) is January (-11.1°C).

Average rainfall in September - Narsarsuaq, Greenland
  • Average rainfall in September: 68mm

The wettest month (with the highest rainfall) is August (70mm).
The driest month (with the least rainfall) is February (33mm).

Average rainfall days in September - Narsarsuaq, Greenland
  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is February (8.2 days).

Average snowfall days in September - Narsarsuaq, Greenland
  • Average snowfall days in September: 1.3 days

The month with the highest number of snowfall days is January (9.3 days).
The month with the least snowfall days is July (0 days).

Average sea temperature in September - Narsarsuaq, Greenland
  • Average sea temperature in September: 4°C

The best month for swimming (with the highest average sea temperature) is August (5°C).
The coldest months (with the lowest average sea temperature) are March and April (0°C).

Average daylight in September / Average sunshine in September - Narsarsuaq, Greenland
  • Average daylight in September: 12.9h

The month with the longest days is June (Average daylight: 19.2h).
The month with the shortest days is December (Average daylight: 5.6h).

  • Average sunshine in September: 4.5h

The month with the most sunshine is July (Average sunshine: 6.2h).
The month with the least sunshine is December (Average sunshine: 0.6h).

Average UV index in September - Narsarsuaq, Greenland
  • Average UV index in September: 3

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, November and December (UV index 0).