September weather forecastSigna, Italy
September
Weather in September
September, the first month of the autumn in Signa, is also a moderately hot month, with an average temperature ranging between max 23.7°C (74.7°F) and min 12.7°C (54.9°F).Temperature
Signa's September weather shows a moderate shift in high-temperatures, falling from August's warm 29.6°C (85.3°F) to a still moderately hot 23.7°C (74.7°F). Signa throughout September, experiences an average nighttime temperature of 12.7°C (54.9°F).Humidity
In September, the average relative humidity in Signa is 72%.Rainfall
In Signa, during September, the rain falls for 12.5 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, in Signa, Italy, there are 164.7 rainfall days, and 598mm (23.54") of precipitation is accumulated.Snowfall
In Signa, Italy, snow does not fall in April through November.Daylight
In Signa, Italy, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 06:39 and sunset at 19:51. On the last day of the month, sunrise is at 07:12 and sunset at 18:58 CEST.
Sunshine
The average sunshine in September in Signa is 10.2h.UV index
In Signa, 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 the ordinary person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Signa, Italy
- Average high temperature in September: 23.7°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in September: 12.7°C
The month with the highest average low temperature is August (16.2°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Signa, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Signa, Italy
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is March (11km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in September
Signa, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Signa, Italy
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is November (80mm).
The driest month (with the least rainfall) is August (33mm).
Average rainfall days in September
Signa, Italy
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is August (10.9 days).
Average snowfall in September
Signa, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Signa, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 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
Signa, 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Signa, Italy
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is August (16.6 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in September
Signa, Italy
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Signa, Italy
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Signa, Italy
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).





