Seyðisfjörður in september: average Weather, Temperature and Climate
Weather in Seyðisfjörður in september 2025
The weather in Seyðisfjörður in september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
very bad weather 27cm
Weather at 6am
40°F
Partly Cloudy
22% of time
21%
18%
16%
Weather at 12pm
50°F
Partly Cloudy
26% of time
22%
21%
16%
Weather at 6pm
47°F
Cloudy
32% of time
28%
17%
14%
Weather at 3am
40°F
24%
23%
17%
15%
Evolution of daily average temperature and precipitation in Seyðisfjörður in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Seyðisfjörður in september.
The climate of Seyðisfjörður in september is very bad
In september in Seyðisfjörður, the climate is wet (with 5.9in of precipitation over 9 days). The situation is deteriorating compared to the previous month since in august there is an average of 5in of precipitation over 7 days.
The climate is relatively cool in that area this month, but it is tolerable when dressing cosy. The high seasonal norm is 50°F. On average, the recorded minimum temperature is 38°F. Thus, the mean temperature average in september in Seyðisfjörður is 45°F. Note that seasonal normals in contrast with those observed in Seyðisfjörður in the month of september with a maximum record of 76°F in 2021 and a minimum record of 22°F in 2020. You need to prepare to have about 7 days with temperatures below 32°F, or 23% of the month.
Day length in Seyðisfjörður in september is 13:05. Sunrise is at 06:18 and sunset is at 19:23.
Seasonal average climate and temperature of Seyðisfjörður in september
Check below seasonal norms These datas are compiled from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 45°F | ||||
| Highest temperature | 50°F | ||||
| Lowest temperature | 38°F | ||||
| Highest record temperature | 76°F (2021) | ||||
| Lowest record temperature | 22°F (2020) | ||||
| Number of days at +65°F | 1 day(s) (3%) | ||||
| Number of days at -32°F | 7 day(s) (23%) | ||||
| Wind | |||||
| Wind speed | 20km/h | ||||
| Wind temperature | 34°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5.9in | ||||
| Number of days with rainfall | 9 day(s) (29%) | ||||
| Record daily rainfall | 2.4in (2013) | ||||
| Snowfall | 27cm | ||||
| Other climate data | |||||
| Humidity | 91% | ||||
| Visibility | 8.28km | ||||
| Cloud cover | 63% | ||||
| UV index | 3 | ||||
| Daily sunshine hours | 10 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:18 | ||||
| Time of sunset | 19:23 | ||||
| Length of day | 13:05 | ||||
| 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 Seyðisfjörður in september 2024:
50°F to 56°F
45°F to 59°F
43°F to 52°F
34°F to 56°F
52°F to 65°F
43°F to 59°F
49°F to 61°F
41°F to 50°F
32°F to 38°F
36°F to 38°F
31°F to 36°F
31°F to 38°F
23°F to 41°F
32°F to 40°F
34°F to 38°F
25°F to 40°F
41°F to 52°F
45°F to 59°F
34°F to 45°F
36°F to 49°F
32°F to 49°F
40°F to 41°F
31°F to 40°F
32°F to 38°F
32°F to 36°F
25°F to 36°F
25°F to 32°F
16°F to 32°F
31°F to 38°F
27°F to 38°F
Map: other cities in Iceland in september
Cities near Seyðisfjörður:
| Egilsstaðir in september | very bad weather |
| Borgarfjörður eystri in september | bad weather |
| Djúpivogur in september | bad weather |
| Þórshöfn in september | bad weather |
| Dettifoss in september | very bad weather |
| Hofn in september | bad weather |
| Askja in september | very bad weather |
| Asbyrgi Canyon in september | bad weather |
| Mývatn in september | very bad weather |
| Raufarhöfn in september | bad weather |
| Jokulsarlon in september | bad weather |
| Húsavík in september | very bad weather |
Click over cities on the map for information about the weather in september.
Seyðisfjörður
perfect weather
good
tolerable
bad
very bad
Weather data for Seyðisfjörður in september:
Weather data for Seyðisfjörður for september are derived from an average of the weather forecast since 2009 in Seyðisfjörður. There is a margin of error and these forecasts are to be considered as general information only. The weather in Seyðisfjörður 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 Seyðisfjörður.