September weather forecastTrevignano, Italy
September
Weather in September
The first month of the autumn, September, is still a warm month in Trevignano, Italy, with an average temperature varying between 15.5°C (59.9°F) and 23°C (73.4°F).Temperature
September signifies a minor drop in average high-temperature, transitioning from 27.5°C (81.5°F) in August to a still moderately hot 23°C (73.4°F). In the month of September, Trevignano's average low-temperature falls to a mild 15.5°C (59.9°F).Humidity
In September, the average relative humidity is 72%.Rainfall
In Trevignano, in September, during 15.7 rainfall days, 52mm (2.05") of precipitation is typically accumulated. In Trevignano, during the entire year, the rain falls for 171.4 days and collects up to 706mm (27.8") of precipitation.Snowfall
April through November are months without snowfall in Trevignano.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September in Trevignano, sunrise is at 06:33 and sunset at 19:49. On the last day of the month, sunrise is at 07:09 and sunset at 18:53 CEST.
Sunshine
In September, the average sunshine in Trevignano is 10.2h.UV index
In Trevignano, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Make use of precautions - It is urged to ward off sun damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Trevignano, Italy
- Average high temperature in September: 23°C
The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).
Average pressure in September
Trevignano, Italy
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is May (1014.6mbar).
Average wind speed in September
Trevignano, Italy
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is February (8.9km/h).
The calmest month (with the lowest average wind speed) is December (6.8km/h).
Average humidity in September
Trevignano, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Trevignano, Italy
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is June (95mm).
The driest month (with the least rainfall) is January (21mm).
Average rainfall days in September
Trevignano, Italy
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is December (7.4 days).
Average snowfall in September
Trevignano, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Trevignano, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Trevignano, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The months with the least sunshine are February and November (Average sunshine: 5h and 30min).
Average sunshine days in September
Trevignano, Italy
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is December (21.3 days).
The month with the least sunshine days is June (5.5 days).
Average UV index in September
Trevignano, Italy
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
Trevignano, Italy
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Trevignano, Italy
- Average visibility in September: 10km
The months with the highest visibility are January, February, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are March and November (9km).





