Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September brings a minor decrease, with the average high-temperature reducing from 29.1°C (84.4°F) in August to a still moderately hot 23.4°C (74.1°F). San Giuliano del Sannio experiences an average low-temperature reading of 13.4°C (56.1°F) throughout September.Humidity
The average relative humidity in September is 71%.Rainfall
The month with the least rainfall in San Giuliano del Sannio is September, when the rain falls for 13.4 days and typically collects 44mm (1.73") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In San Giuliano del Sannio, the average length of the day in September is 12h and 28min.On the first day of September in San Giuliano del Sannio, Italy, sunrise is at 06:28 and sunset at 19:34. On the last day of the month, sunrise is at 06:57 and sunset at 18:44 CEST.
Sunshine
In September, the average sunshine in San Giuliano del Sannio is 10.4h.UV index
The average daily maximum UV index in September in San Giuliano del Sannio is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in San Giuliano del Sannio in September?
What is the average humidity in September in San Giuliano del Sannio?
What is the driest month in San Giuliano del Sannio?
How many days does it rain in September in San Giuliano del Sannio?
When it does not snow in San Giuliano del Sannio?
How many hours of daylight does San Giuliano del Sannio have in September?
What time are sunrise and sunset in September in San Giuliano del Sannio?
How many hours of sunshine does San Giuliano del Sannio have in September?
What is the UV index intensity in September in San Giuliano del Sannio?
Average temperature in September
San Giuliano del Sannio, Italy
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (7.7°C).
- Average low temperature in September: 13.4°C
The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
San Giuliano del Sannio, Italy
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in September
San Giuliano del Sannio, Italy
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in September
San Giuliano del Sannio, Italy
- Average humidity in September: 71%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
San Giuliano del Sannio, Italy
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is May (76mm).
The driest month (with the least rainfall) is September (44mm).
Average rainfall days in September
San Giuliano del Sannio, Italy
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is April (18.3 days).
The month with the least rainy days is August (11.6 days).
Average snowfall in September
San Giuliano del Sannio, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (119mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
San Giuliano del Sannio, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
San Giuliano del Sannio, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
San Giuliano del Sannio, Italy
- Average sunshine days in September: 15 days
The month with the most sunshine days is August (17 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in September
San Giuliano del Sannio, 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 and December (UV index 2).
Average cloud cover in September
San Giuliano del Sannio, Italy
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
San Giuliano del Sannio, 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 and November (8km).
