September weather forecastGrauno, Italy
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Grauno, Italy, with an average temperature ranging between min 6.4°C (43.5°F) and max 16.5°C (61.7°F).Temperature
With the onset of September, Grauno experiences a modest temperature adjustment, with the average high-temperature gently receding from a pleasant 20.6°C (69.1°F) in August to a refreshing 16.5°C (61.7°F). During the September nights, an average temperature of 6.4°C (43.5°F) is observed.Humidity
In Grauno, Italy, the average relative humidity in September is 80%.Rainfall
In Grauno, in September, during 13.3 rainfall days, 18mm (0.71") of precipitation is typically accumulated. Throughout the year, in Grauno, there are 130.9 rainfall days, and 429mm (16.89") of precipitation is accumulated.Snowfall
Months with snowfall in Grauno are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 5mm (0.2") of snow. In Grauno, during the entire year, snow falls for 53.9 days and aggregates up to 831mm (32.72") of snow.Daylight
In Grauno, the average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 06:35 and sunset at 19:53. On the last day of the month, sunrise is at 07:12 and sunset at 18:56 CEST.
Sunshine
In September, the average sunshine in Grauno is 10h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 3 turns into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grauno, Italy
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 6.4°C
The month with the highest average low temperature is August (9.5°C).
The coldest month (with the lowest average low temperature) is January (-7°C).
Average pressure in September
Grauno, Italy
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is May (1015.1mbar).
Average wind speed in September
Grauno, Italy
- Average wind speed in September: 5.7km/h
The windiest month (with the highest average wind speed) is February (6.8km/h).
The calmest month (with the lowest average wind speed) is November (5.5km/h).
Average humidity in September
Grauno, Italy
- Average humidity in September: 80%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall in September
Grauno, Italy
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is June (60mm).
The driest month (with the least rainfall) is January (8mm).
Average rainfall days in September
Grauno, Italy
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is June (18.8 days).
The months with the least rainy days are January and December (3.5 days).
Average snowfall in September
Grauno, Italy
- Average snowfall in September: 5mm
The month with the highest snowfall is November (247mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Grauno, Italy
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is March (10.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Grauno, 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 42min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 30min).
Average sunshine days in September
Grauno, Italy
- Average sunshine days in September: 13 days
The month with the most sunshine days is December (23 days).
The month with the least sunshine days is June (6.4 days).
Average UV index in September
Grauno, Italy
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Grauno, Italy
- Average cloud cover in September: 33
The month with the most cloud cover is November (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Grauno, Italy
- Average visibility in September: 8km
The months with the highest visibility are June, July and December (9km).
The month with the lowest visibility is November (7km).
