September weather forecast
Ittoqqortoormiit, Greenland

Ittoqqortoormiit in September experiences a clear onset of autumn with a significant drop in temperatures and daylight. As nighttime and daytime temperatures fall to -4°C (24.8°F) and 1°C (33.8°F) respectively, it’s a clear indication of the arrival of colder months. Accompanying this temperature drop is the highest rainfall in the year, with 49mm (1.93") falling over 8 days. This period marks the transition into harsher weather conditions as the daylight continues to diminish, now down to 13.4 hours.

Temperature

A subtle change in temperatures is noted in Ittoqqortoormiit as August gives way to September, with average highs reducing from 5°C (41°F) to a still wintry 1°C (33.8°F). September nights in Ittoqqortoormiit, Greenland, reveal a minor deviation from daytime highs, with a mean low-temperature of -4°C (24.8°F).

Rainfall

In September, the rain falls for 8 days. Throughout September, 49mm (1.93") of precipitation is accumulated. In Ittoqqortoormiit, during the entire year, the rain falls for 113 days and collects up to 476mm (18.74") of precipitation.

Sea temperature

In September, the average sea temperature in Ittoqqortoormiit is 1°C (33.8°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 23min.
On the first day of the month, sunrise is at 05:43 and sunset at 21:11. On the last day of September, sunrise is at 07:42 and sunset at 18:52 +00.

Sunshine

In September, the average sunshine in Ittoqqortoormiit is 4h.

UV index

The average daily maximum UV index in September in Ittoqqortoormiit is 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: In September, the UV index of 1 transforms into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.