September weather forecastNova Siri, Italy
September
Weather in September
The first month of the autumn, September, is still a warm month in Nova Siri, Italy, with an average temperature ranging between min 20.1°C (68.2°F) and max 26.7°C (80.1°F).Temperature
The start of September involves a temperature drop, moving from a hot 31.8°C (89.2°F) in August to a warm 26.7°C (80.1°F). During the nights in September, an average low-temperature of 20.1°C (68.2°F) is observed.Humidity
In Nova Siri, the average relative humidity in September is 60%.Rainfall
In September, the rain falls for 8.5 days. Throughout September, 20mm (0.79") of precipitation is accumulated. In Nova Siri, during the entire year, the rain falls for 110 days and collects up to 302mm (11.89") of precipitation.Snowfall
In Nova Siri, snow does not fall in February through November.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 06:21 and sunset at 19:25. On the last day of the month, sunrise is at 06:49 and sunset at 18:37 CEST.
Sunshine
In September, the average sunshine is 10.7h.UV index
In Nova Siri, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 during September leads to these advisories:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nova Siri, Italy
- Average high temperature in September: 26.7°C
The warmest month (with the highest average high temperature) is August (31.8°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in September: 20.1°C
The month with the highest average low temperature is August (23.6°C).
The coldest month (with the lowest average low temperature) is January (7.3°C).
Average pressure in September
Nova Siri, Italy
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1012.7mbar).
Average wind speed in September
Nova Siri, Italy
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Nova Siri, Italy
- Average humidity in September: 60%
The months with the highest relative humidity are January and November (74%).
The months with the lowest relative humidity are July and August (53%).
Average rainfall in September
Nova Siri, Italy
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is March (42mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in September
Nova Siri, Italy
- Average rainfall days in September: 8.5 days
The months with the highest number of rainy days are March and April (12.3 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in September
Nova Siri, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Nova Siri, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Nova Siri, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 10h and 42min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Nova Siri, Italy
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is August (22.7 days).
The month with the least sunshine days is February (15.3 days).
Average UV index in September
Nova Siri, Italy
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Nova Siri, Italy
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 33).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in September
Nova Siri, Italy
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





