Ilulissat in september: average Weather, Temperature and Climate
Weather in Ilulissat in september 2025
The weather in Ilulissat in the month of september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
very bad weather 148.4cm
Weather at 6am
31°F
Clear/Sunny
28% of time
27%
23%
15%
Weather at 12pm
36°F
Partly Cloudy
29% of time
27%
19%
17%
Weather at 6pm
34°F
Clear/Sunny
30% of time
29%
19%
14%
Weather at 3am
31°F
29%
27%
20%
16%
Evolution of daily average temperature and precipitation in Ilulissat in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Ilulissat in september.
The climate of Ilulissat in september is very bad
The weather in september in Ilulissat is relatively dry (with 1.7in of rainfall over 2 days). The weather is better from the previous month since in august it receives an average of 2.8in of rainfall over 4 days.
The climate is rather cold in this location september. Plan to cover you well! Temperatures are up to 38°F. The minimum is 31°F. Thus, the mean temperature average in september in Ilulissat is 34°F. Note that these seasonal averages are in contrast with those observed in Ilulissat in the month of september with a maximum record of 52°F in 2010 and a minimum record of 2°F in 2021. You need to prepare to have about 20 days with temperatures down below 32°F, or 67% of the month.
In september in Ilulissat, the days on average last 13:17. Sunrise is at 05:40 and sets at 18:57.
Seasonal average climate and temperature of Ilulissat in september
Check below seasonal norms These statistics are generated from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 34°F | ||||
| Highest temperature | 38°F | ||||
| Lowest temperature | 31°F | ||||
| Highest record temperature | 52°F (2010) | ||||
| Lowest record temperature | 2°F (2021) | ||||
| Number of days at -32°F | 20 day(s) (67%) | ||||
| Sea temperature | |||||
| Average sea temperature | 40°F | ||||
| Lowest sea temperature | 38°F | ||||
| Highest sea temperature | 43°F | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 23°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.7in | ||||
| Number of days with rainfall | 2 day(s) (8%) | ||||
| Record daily rainfall | 1.3in (2017) | ||||
| Snowfall | 148.4cm | ||||
| Other climate data | |||||
| Humidity | 76% | ||||
| Visibility | 8.97km | ||||
| Cloud cover | 51% | ||||
| UV index | 2 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:40 | ||||
| Time of sunset | 18:57 | ||||
| Length of day | 13:17 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last september?
Here is the day by day recorded weather in Ilulissat in september 2024:
31°F to 34°F
31°F to 36°F
32°F to 41°F
38°F to 41°F
38°F to 43°F
34°F to 41°F
34°F to 34°F
29°F to 34°F
18°F to 34°F
27°F to 40°F
31°F to 38°F
27°F to 36°F
25°F to 36°F
27°F to 36°F
29°F to 34°F
27°F to 32°F
25°F to 31°F
20°F to 29°F
20°F to 32°F
23°F to 34°F
29°F to 38°F
36°F to 41°F
38°F to 43°F
36°F to 41°F
34°F to 40°F
34°F to 40°F
34°F to 36°F
34°F to 36°F
38°F to 40°F
34°F to 36°F
Map: other cities in Greenland in september
Cities near Ilulissat:
| Qasigiannguit in september | very bad weather |
| Aasiaat in september | very bad weather |
| Sisimiut in september | very bad weather |
| Maniitsoq in september | very bad weather |
| Upernavik in september | very bad weather |
| Nuuk in september | very bad weather |
| Tasiilaq in september | very bad weather |
| Paamiut in september | very bad weather |
| Narsaq in september | very bad weather |
| Qaqortoq in september | very bad weather |
| Illoqortormiut in september | very bad weather |
Click over cities on the map for information about the weather in september.
Ilulissat
perfect weather
good
tolerable
bad
very bad
Weather data for Ilulissat in september:
Weather data for Ilulissat for september are derived from an average of the weather forecast since 2009 in Ilulissat. There is a margin of error and these forecasts are to be considered as general information only. The weather in Ilulissat can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Ilulissat.