The climate in Hoorn during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Hoorn and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 10°C (50°F) is normal.
|Daytime temperature||18°C 64.4°F|
|Nightly temperature||10.2°C 50.4°F|
|Average temperature||14.1°C 57.4°F|
|Daily sunshine||5 hrs|
|Avg rainfall||73 mm 2.9 ins|
|Rainy days||16 days|
|Sea temperature||17.4°C 63.2°F|
|Windspeed||15.8kph 10 mph|
On average September is the 4th wettest month of the year in Hoorn with around 73mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 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 Hoorn in September 2022.
|Hottest month:||August||20.5°C 68.9°F|
|Driest month:||February||45mm 1.8ins|
|Coldest month:||January||4.4°C 39.9°F|
|Wettest month:||November||85mm 3.3ins|