The climate in Ísafjörður during September can be summarized as cool and a little damp.
September is in the fall / autumn in Ísafjörður and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cold 6°C (43°F), whilst at night 2°C (36°F) is normal.
|Daytime temperature||6.3°C 43.3°F|
|Nightly temperature||2°C 35.5°F|
|Average temperature||4.1°C 39.4°F|
|Daily sunshine||3.1 hrs|
|Avg rainfall||93 mm 3.7 ins|
|Rainy days||18 days|
|Sea temperature||6.7°C 44°F|
|Windspeed||18kph 11 mph|
On average September is the 5th wettest month of the year in Ísafjörður with around 93mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.1 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in September 2019.
|Hottest month:||July||9.9°C 49.8°F|
|Driest month:||May||46mm 1.8ins|
|Coldest month:||January||-1.5°C 29.3°F|
|Wettest month:||October||118mm 4.6ins|