September weather forecastSustinente, Italy
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Sustinente, Italy, with an average temperature ranging between min 15.3°C (59.5°F) and max 24.5°C (76.1°F).Temperature
In Sustinente, the average high-temperature in September drops from a tropical 30.2°C (86.4°F) in August to a moderately hot 24.5°C (76.1°F). An average low-temperature of 15.3°C (59.5°F) is noted during the nights in September in Sustinente.Humidity
The average relative humidity in September is 70%.Rainfall
In September, the rain falls for 14.5 days. Throughout September, 66mm (2.6") of precipitation is accumulated. In Sustinente, during the entire year, the rain falls for 172.9 days and collects up to 749mm (29.49") of precipitation.Snowfall
In Sustinente, snow does not fall in April through November.Daylight
In Sustinente, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:38 and sunset at 19:53. On the last day of September, in Sustinente, sunrise is at 07:13 and sunset at 18:58 CEST.
Sunshine
In September, the average sunshine is 10.2h.UV index
In Sustinente, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sustinente, Italy
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in September
Sustinente, Italy
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is May (1014.3mbar).
Average wind speed in September
Sustinente, Italy
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).
Average humidity in September
Sustinente, Italy
- Average humidity in September: 70%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Sustinente, Italy
- Average rainfall in September: 66mm
The wettest month (with the highest rainfall) is May (105mm).
The driest month (with the least rainfall) is January (27mm).
Average rainfall days in September
Sustinente, Italy
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is December (9.3 days).
Average snowfall in September
Sustinente, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Sustinente, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Sustinente, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
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 42min).
The months with the least sunshine are February and November (Average sunshine: 5h and 30min).
Average sunshine days in September
Sustinente, Italy
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is June (6.7 days).
Average UV index in September
Sustinente, 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
Sustinente, Italy
- Average cloud cover in September: 25
The months with the most cloud cover are February and November (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Sustinente, Italy
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).





