September · typical climate, not a forecast
Ilulissat in September
Greenland
Not your escape
5°C day · 1°C night · 28% rain · 13h daylight · quiet · €1,990 estimated
Live · Ilulissat
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Reading…
Live · Tallinn (you)
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Cool Score breakdown
Scored for 5 nights from Tallinn in September.
- Temperature fit0
5°C typical high vs your 12–20°C window
w 26 - Heat escape100
11.3°C cooler than Tallinn
w 14 - Rain probability100
28% chance of rain on an average day
w 11 - Daylight hours64
12.8h of daylight mid-month
w 8 - Outdoor conditions50
Comfortable for a full day outside at 5°C
w 10 - Crowding73
Quiet for this month
w 8 - Flight + stay cost0
≈€1990 estimated for 5 nights vs €1000 budget
w 12 - Nature access100
10/10 — wild ground within reach
w 6 - City atmosphere36
2/10 urban texture · 6/10 food scene
w 4
Why Ilulissat in September
Icebergs the size of city blocks, drifting past your dinner.
- Icefjord boardwalk
- Iceberg cruises
- Midnight sun hikes
What September in Ilulissat is actually like
In September, Ilulissat sits around 5°C by day and drops to about 1°C after dark, so a light layer earns its place in the bag even in high summer. That is roughly 11°C cooler than Tallinn at the same time of year — the difference between planning your day around the shade and simply walking out of the door.
Expect rain on roughly 28% of days, usually passing rather than persistent, and about 13 hours of daylight to spend outside. Crowds are quiet this month, and a 5-night trip from Tallinn works out at around €1,990 including flights, a mid-range stay and everyday spending.
Icebergs the size of city blocks, drifting past your dinner. Days here tend to fill up with icefjord boardwalk, iceberg cruises, midnight sun hikes — which is why Ilulissat scores 49 out of 100 for september: not your escape.
Other months
Compare the typical climate month by month.