September weather forecastForli, Italy
September
Weather in September
September in Forli experiences a subtle retreat from the intense summer towards pleasantly warm autumn. While the temperatures begin to dip, daylight duration and sunshine hours undergo a similar reduction, yet create a comfortable ambiance. September yet again highlights an increase in rainfall, averaging 25mm (0.98") over approximately 9.9 days, bringing a refreshing change to the sunny days. It's the perfect time of year to experience wine harvest festivals and enjoy the city's historical heritage.Temperature
In the transition to September, Forli observes a drop in the average high-temperature, moving from 29.9°C (85.8°F) in August to a still moderately hot 24.3°C (75.7°F). An average low-temperature of 15.2°C (59.4°F) is expected during September.Humidity
In September, the average relative humidity in Forli is 69%.Rainfall
In September, in Forli, the rain falls for 9.9 days. Throughout September, 25mm (0.98") of precipitation is accumulated. Throughout the year, there are 126.4 rainfall days, and 303mm (11.93") of precipitation is accumulated.Snowfall
In Forli, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 06:35 and sunset at 19:47. On the last day of September, in Forli, sunrise is at 07:08 and sunset at 18:54 CEST.
Sunshine
The average sunshine in September in Forli, Italy, is 10.2h.UV index
In September, the average daily maximum UV index in Forli is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Forli, Italy
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (7.7°C).
- Average low temperature in September: 15.2°C
The month with the highest average low temperature is August (18.5°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).
Average pressure in September
Forli, Italy
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Forli, Italy
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is March (10.9km/h).
The calmest months (with the lowest average wind speed) are August and October (8.2km/h).
Average humidity in September
Forli, Italy
- Average humidity in September: 69%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Forli, Italy
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is May (36mm).
The driest month (with the least rainfall) is August (19mm).
Average rainfall days in September
Forli, Italy
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is December (8.7 days).
Average snowfall in September
Forli, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (20mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Forli, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Forli, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Forli, Italy
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in September
Forli, Italy
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Forli, Italy
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Forli, Italy
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, October, November and December (9km).





