Iceland in september: average Weather, Temperature and Climate, Where to go?
How are weather conditions in Iceland in september? Is it the perfect time to visit Keflavík and Hofn? Check this with our datas and our advices below.
very bad weather across 25% of the territory bad weather across 75% of the territory
Weather in Iceland in september 2021
Below, find the the weather forecast for september for most popular cities in Iceland. These forecasts are probabilities for the month of september from weather reports for over 10 years. The percentage indicates the probability of having the weather indicated.
Average weather in september in Reykjavik
bad weather 0.1cm
Weather at 6am
45°F
Cloudy
49% of time
24%
17%
5%
Weather at 12pm
50°F
Cloudy
53% of time
26%
13%
7%
Weather at 6pm
49°F
Cloudy
47% of time
27%
13%
9%
Weather at 3am
45°F
27%
24%
17%
16%
More information about the weather in Reykjavik in september
Where to go in Iceland in september?
Where to go in Iceland in september: destination map
perfect weather
good
tolerable
bad
very bad
Where should you go in Iceland in september when it comes to the weather?
Remember:
The climate in Iceland in september ranges from bad to very bad depending on the region and city.
The month of September marks the end of summer in Iceland. The weather begins to cool and depending on the location of each locality, the climate is characterized either by the abrupt decrease in temperature as in the case of Akureyri, or by a strong increase in the intensity and frequency of rain - as for Reykjavik. Still, the climate throughout September in Iceland again becomes unfavorable.
Spetember in Reykjavik and South-western Iceland
Reykjavik's climatic conditions are influenced by marine currents and sea breezes. As a result, the city receives more precipitation compared to other localities in Iceland. With dozens of rainy days, prepare for a weather in Iceland throughout September that is very rainy. Moreover, along with the month of January, these months are among the wettest of the year. The drop in temperatures does not help the situation.
September in Akureyri and Northern Iceland
Colder but less rainy, the city of Akureyri is experiencing unpleasant climatic conditions. Temperatures are falling faster than those of other Icelandic communities. Morning temperatures are already around 4° C and we must cover with warm clothes in order to feel comfortable - especially towards the end of the month.
Climate in Iceland in september
Climate in Reykjavik in september
In september, the mean temperature in Reykjavik is 49°F (maximum temperature is 50°F and minimum temperature is 47°F). The climate is quite cold there in september, but it is endurable by dressing hot. With 1.9in over 11 days, you will experience some showers throughout your vacations. But this is moderate and it is only of temporary showers.
With a bad climate, september is not recommended month to go in that area.
| September | |||
| Average temperature | 49°F | ||
| Highest temperature | 50°F | ||
| Lowest temperature | 47°F | ||
| Sea temperature | 50°F | ||
| Rainfall | 1.9in | ||
| Number of days with rainfall | 11 day(s) (36%) | ||
| Humidity | 79% | ||
| Daily sunshine hours | 9 | ||
| Cloud cover | 66% | ||
| Length of day | 13:00 | ||
| Our opinion at whereandwhen.net | bad |
Climate in Akureyri in september
In september, the mean temperature in Akureyri is 43°F (maximum temperature is 45°F and minimum temperature is 41°F). The climate is rather cold in this location in september, but it is liveable when dressing hot. With 3.9in over 15 days, rainfall can happen throughout your trip. But this is pretty reasonably and it is only of temporary showers.
| September | |||
| Average temperature | 43°F | ||
| Highest temperature | 45°F | ||
| Lowest temperature | 41°F | ||
| Sea temperature | 46°F | ||
| Rainfall | 3.9in | ||
| Number of days with rainfall | 15 day(s) (51%) | ||
| Humidity | 82% | ||
| Daily sunshine hours | 9 | ||
| Cloud cover | 66% | ||
| Length of day | 13:05 | ||
| Our opinion at whereandwhen.net | very bad |
Climate in Eyjafjallajökull in september
In september, maximum temperature is 52°F and minimum temperature is 49°F (for an average temperature of 50°F). The climate is relatively fresh around this city in this month, but it is tolerable when dressing hot. With 4.7in over 17 days, you will experience some showers during your trip. But this is pretty reasonably and it will not be continuous.
With an unfavorable weather, september is not recommended month to go in this city.
| September | |||
| Average temperature | 50°F | ||
| Highest temperature | 52°F | ||
| Lowest temperature | 49°F | ||
| Rainfall | 4.7in | ||
| Number of days with rainfall | 17 day(s) (58%) | ||
| Humidity | 84% | ||
| Daily sunshine hours | 9 | ||
| Cloud cover | 60% | ||
| Length of day | 12:59 | ||
| Our opinion at whereandwhen.net | bad |
Climate in Grindavík in september
In september, maximum temperature is 52°F and minimum temperature is 49°F (for an average temperature of 50°F). The climate is relatively cold in this city in september, but it is livable by dressing hot. With 3.7in over 15 days, rain may occur throughout your journey. But this is pretty moderate and you will not be too bothered by it.
With a bad climate, the month of september is not recommended month to go in this locality.
| September | |||
| Average temperature | 50°F | ||
| Highest temperature | 52°F | ||
| Lowest temperature | 49°F | ||
| Sea temperature | 51°F | ||
| Rainfall | 3.7in | ||
| Number of days with rainfall | 15 day(s) (51%) | ||
| Humidity | 80% | ||
| Daily sunshine hours | 9 | ||
| Cloud cover | 64% | ||
| Length of day | 13:00 | ||
| Our opinion at whereandwhen.net | bad |
Climate in Hofn in september
In the month of september, maximum temperature is 49°F and minimum temperature is 47°F (for an average temperature of 47°F). The climate is fairly cold in this location in the month of september, but it is tolerable when dressing hot. With 5.7in over 15 days, rainfall can happen for your trip. But this is rather moderate and it will not be continuous.
With a bad weather, the month of september is not recommended month to go in this locality.
| September | |||
| Average temperature | 47°F | ||
| Highest temperature | 49°F | ||
| Lowest temperature | 47°F | ||
| Sea temperature | 49°F | ||
| Rainfall | 5.7in | ||
| Number of days with rainfall | 15 day(s) (49%) | ||
| Humidity | 82% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 57% | ||
| Length of day | 13:01 | ||
| Our opinion at whereandwhen.net | bad |
All cities in Iceland in september
| Reykjavik in september | bad weather |
| Akureyri in september | very bad weather |
| Eyjafjallajökull in september | bad weather |
| Grindavík in september | bad weather |
| Hofn in september | bad weather |
| Húsavík in september | very bad weather |
| Ísafjörður in september | very bad weather |
| Keflavík in september | bad weather |
| Mývatn in september | very bad weather |
| Selfoss in september | bad weather |
| Akranes in september | bad weather |
| Borgarnes in september | bad weather |
| Dalvik in september | very bad weather |
| Egilsstaðir in september | bad weather |
| Hveragerdi in september | bad weather |
| Kopavogur in september | bad weather |
| Mosfellsbaer in september | bad weather |
| Seltjarnarnes in september | bad weather |
| Vestmannaeyjar (Vestmann island) in september | bad weather |
| Vogar in september | bad weather |
Weather data for Iceland in september:
Weather data for Iceland in september is derived from an average of the weather forecast since 2009 in Iceland. There is a margin of error and these forecasts are to be considered as general information only. The weather in Iceland can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Iceland.