Ilulissat Weather in September
September in Ilulissat brings low temperatures around 7°C (45°F) during the day, dropping to 0°C (32°F) at night, with some snow/rainfall expected.
Rainfall in Ilulissat in September
This month experiences about 9 days of snow/rain according to historical data, averaging 41 mm (1.6 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Ilulissat in September
September in Ilulissat brings low temperatures, with highs of 7°C (45°F) and nights around 0°C (32°F). Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights drop below freezing to 0°C (32°F). An extra blanket is worth packing if you're unsure about the heating where you're staying.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Ilulissat. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Greenland, check out our Ilulissat's climate page.
Ilulissat Temperature in September
Min Temperature
0°C (32°F)
Max Temperature
7°C (45°F)
Chance of Rain
30%
Precipitation
41 mm (1.6 in)
Rainy days
9 days
Daily Historical Temperatures
31-year average (1986-2025)
Based on our historical records, temperatures in Ilulissat typically drop from around 7°C (45°F) at the start of September to approximately 3°C (37°F) by the end. Nights are cold, with lows typically ranging from -2°C (28°F) to 3°C (37°F).
Average temperatures in September
Historical weather for Ilulissat in September
Browse day-by-day weather records for Ilulissat spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ilulissat historical weather extremes in September
According to our 19 years of weather records for Ilulissat, the following extremes were recorded between 2006 and 2025.
- The hottest September day on record in Ilulissat reached 16°C (61°F) (September 2, 2022).
- Ilulissat experienced its chilliest September day on September 26, 2021, reaching only -5°C (23°F).
- The coldest night in September in Ilulissat was on September 28, 2014, with a minimum of -10°C (14°F).
Best Places in Greenland in September
Find out more about the weather in Greenland and which places have the best travel conditions in this month. See all of Greenland in September →
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What to Wear in Ilulissat in September
Cold weather calls for smart layering in September. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days.What To Do in Ilulissat in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Greenland, check out our Ilulissat's climate page.
See the full Ilulissat climate overview or explore weather in Greenland.
