The climate in Forte dei Marmi during September can be summarized as warm and a little damp.
September is in the fall / autumn in Forte dei Marmi and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (76°F), whilst at night 15°C (59°F) is normal.
|Daytime temperature||24.3°C 75.7°F|
|Nightly temperature||14.7°C 58.5°F|
|Average temperature||19.5°C 67.1°F|
|Daily sunshine||7.7 hrs|
|Avg rainfall||80 mm 3.2 ins|
|Rainy days||9 days|
|Sea temperature||22.7°C 72.9°F|
|Windspeed||6.8kph 4 mph|
On average September is the 5th driest month of the year in Forte dei Marmi with around 80mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 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 Forte dei Marmi in September 2023.
Best places to visit in September
|Hottest month:||July||27.6°C 81.7°F|
|Driest month:||July||28mm 1.1ins|
|Coldest month:||January||9.4°C 48.9°F|
|Wettest month:||October||123mm 4.8ins|