Ilulissat
Greenland
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Ilulissat, Greenland

The first month of the autumn, Septiembre, is also a wintry month in Ilulissat, Greenland, with average temperature fluctuating between 5°C (41°F) and 0°C (32°F).

Temperature

In Ilulissat, Greenland, the average high-temperature drops, from a cool 10°C (50°F) in Agosto, to a cold 5°C (41°F). The average low-temperature, in Ilulissat, is 0°C (32°F).

Rainfall

The month with the most rainfall is Septiembre when the rain falls for 9 days and typically aggregates up to 35mm (1.38") of precipitation.

Sea temperature

With an average sea temperature of 3.4°C (38.1°F), Septiembre is the month with the warmest seawater in Ilulissat.
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

In Ilulissat, Greenland, the average length of the day is 13.3h.

Sunshine

In Ilulissat, the average sunshine in Septiembre is 4h.

UV index

In Septiembre, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a low threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 1 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in Septiembre in Ilulissat?

In Ilulissat, Greenland, in Septiembre, the average high-temperature is 5°C (41°F), and the average low-temperature is 0°C (32°F).

How much does it rain in Ilulissat in Septiembre?

In Ilulissat, Greenland, during Septiembre, the rain falls for 9 days and regularly aggregates up to 35mm (1.38") of precipitation.

What is the rainiest month in Ilulissat?

The month with the most rainfall in Ilulissat is Septiembre when the rain falls for 9 days and typically aggregates up to 35mm (1.38") of precipitation.

What is the month with the warmest sea water in Ilulissat?

Septiembre is the month with the warmest seawater in Ilulissat, with an average sea temperature of 3.4°C (38.1°F).

What is the water temperature in Septiembre in Ilulissat?

In Ilulissat, in Septiembre, the average water temperature is 3.4°C (38.1°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 Ilulissat?

The average length of the day in Septiembre is 13.3h.

How many hours of sunshine does Ilulissat have in Septiembre?

In Ilulissat, the average sunshine in Septiembre is 4h.

What is the UV index intensity in Septiembre in Ilulissat?

The average daily maximum UV index in Septiembre in Ilulissat is 1. A UV Index reading of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Ilulissat, Greenland
  • Average high temperature in September: 5°C

The warmest month (with the highest average high temperature) is July (11°C).
The month with the lowest average high temperature is March (-12°C).

  • Average low temperature in September: 0°C

The month with the highest average low temperature is July (5°C).
The coldest month (with the lowest average low temperature) is March (-19°C).

Average rainfall in September - Ilulissat, Greenland
  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is September (35mm).
Driest months (with the lowest rainfall) are January and March (12mm).

Average rainfall days in September - Ilulissat, Greenland
  • Average rainfall days in September: 9 days

Months with the highest number of rainy days are March, April, September and November (9 days).
Months with the lowest number of rainy days are February, May, June and July (7 days).

Average sea temperature in September - Ilulissat, Greenland
  • Average sea temperature in September: 3.4°C

The best month for swimming (with the highest average sea temperature) is September (3.4°C).
Coldest months (with the lowest average sea temperature) are February and March (-1.4°C).

Average daylight in September / Average sunshine in September - Ilulissat, Greenland
  • Average daylight in September: 13.3h

The month with the longest days is June (Average daylight: 24h).
The month with shortest days is December (Average daylight: 0h).

  • Average sunshine in September: 4h

The month with most sunshine is June (Average sunshine: 10h).
Months with least sunshine are January and December (Average sunshine: 0).

Average UV index in September - Ilulissat, Greenland
  • Average UV index in September: 1

The month with the highest UV index is June (UV index 4).
Months with the lowest UV index are January, February, October, November and December (UV index 0).