The climate in Sandgerði during September can be summarized as cool and a little damp.
September is in the fall / autumn in Sandgerði and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 10°C (50°F), whilst at night 5°C (42°F) is normal.
|Daytime temperature||9.9°C 49.8°F|
|Nightly temperature||5.3°C 41.5°F|
|Average temperature||7.6°C 45.7°F|
|Daily sunshine||4 hrs|
|Avg rainfall||99 mm 3.9 ins|
|Rainy days||19 days|
|Sea temperature||9.5°C 49.1°F|
|Windspeed||20.5kph 13 mph|
On average September is the 6th driest month of the year in Sandgerði with around 99mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 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 Sandgerði in September 2021.
|Hottest month:||July||12.9°C 55.2°F|
|Driest month:||July||67mm 2.6ins|
|Coldest month:||January||1.9°C 35.4°F|
|Wettest month:||October||126mm 5ins|