September · Greenland
Best time to visit Ilulissat in September Weather, crowds & prices
Weather in Ilulissat in September
Average temperature 3°C, 97 mm of rain, about 0 days with 6+ hours of sunshine and 82% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
4.4/10
Ranked #6 of 12 months
- Avg temp
- 3°C
- Rainfall
- 97 mm
- Humidity
- 82%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Ilulissat scores 4.4/10 for nature and wildlife travel - an above-average month (#6 of 12). Expect around 3°C, 97 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Ilulissat faces a UNESCO-listed icefjord where vast icebergs move from Sermeq Kujalleq glacier into Disko Bay beside a lively Greenlandic town.
September in Ilulissat — the hardest end of the year
September averages 3°C (38°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 97 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 12.8 hours of daylight.
It scores 4.4/10 here, 6th of 12 months, against 7.8/10 in the destination's best month.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.
Figure on low-season pricing, with crowds are light for this destination. That combination — decent conditions at the lowest rates of the year — is the best value window on this page.
Flexible dates? July scores 3.4 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Ilulissat in September?
- In September, Ilulissat averages 3°C, 97 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 4.4/10.
- Is September a good time to visit Ilulissat?
- September earns a 4.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Ilulissat in September?
- Expect about 97 mm of rain in September. Average humidity is 82% and there are about 0 days with 6+ hours of sunshine.
Curated in Ilulissat
Tickets & experiences
Things to do in Ilulissat
Ilulissat, Greenland. Live activities and tours from GetYourGuide, matched to this destination.