September weather forecastPortico di Romagna, Italy
September
Weather in September
September, the first month of the autumn in Portico di Romagna, is still a warm month, with an average temperature ranging between min 15.2°C (59.4°F) and max 24.3°C (75.7°F).Temperature
The beginning of September marks a decrease in the average high-temperature, transitioning from a moderately hot 29.9°C (85.8°F) in August to a still warm 24.3°C (75.7°F). In the month of September, Portico di Romagna witnesses a consistent average low-temperature of 15.2°C (59.4°F).Humidity
The average relative humidity in September is 69%.Rainfall
In Portico di Romagna, during September, the rain falls for 9.9 days and regularly aggregates up to 25mm (0.98") of precipitation. Throughout the year, there are 126.4 rainfall days, and 303mm (11.93") of precipitation is accumulated.Snowfall
In Portico di Romagna, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September, sunrise is at 06:36 and sunset at 19:48. On the last day of the month, sunrise is at 07:09 and sunset at 18:55 CEST.
Sunshine
In September, the average sunshine is 10.2h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Exercise prevention - Warding off sunburn is urged. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Portico di Romagna, 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
Portico di Romagna, 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
Portico di Romagna, 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
Portico di Romagna, 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
Portico di Romagna, 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
Portico di Romagna, 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
Portico di Romagna, 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
Portico di Romagna, 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
Portico di Romagna, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- 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
Portico di Romagna, 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
Portico di Romagna, 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
Portico di Romagna, 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
Portico di Romagna, 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).





