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 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 slight decrease in temperature, down from 29.9°C (85.8°F) in August to a still warm 25.9°C (78.6°F). In Silius, September is marked by an average low-temperature of 19.9°C (67.8°F).Humidity
In Silius, the average relative humidity in September is 68%.Rainfall
In September, the rain falls for 9 days. Throughout September, 23mm (0.91") of precipitation is accumulated. In Silius, during the entire year, the rain falls for 110.6 days and collects up to 313mm (12.32") of precipitation.Snowfall
In Silius, snow does not fall in January, March through November.Daylight
In Silius, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 06:51 and sunset at 19:53. On the last day of the month, sunrise is at 07:18 and sunset at 19:06 CEST.
Sunshine
In September, the average sunshine is 10.3h.UV index
In Silius, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Silius?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Silius have in September?
How high is the UV index in September?
Average temperature in September
Silius, Italy
- Average high temperature in September: 25.9°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (13.4°C).
- Average low temperature in September: 19.9°C
The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).
Average pressure in September
Silius, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is April (1014.2mbar).
Average wind speed in September
Silius, Italy
- Average wind speed in September: 12km/h
The windiest months (with the highest average wind speed) are January and February (17.1km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Silius, Italy
- Average humidity in September: 68%
The months with the highest relative humidity are January, November and December (77%).
The month with the lowest relative humidity is July (60%).
Average rainfall in September
Silius, Italy
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is November (66mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in September
Silius, Italy
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is November (13.3 days).
The month with the least rainy days is July (3.3 days).
Average snowfall days in September
Silius, Italy
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Silius, Italy
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in September
Silius, Italy
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is November (13.7 days).
Average UV index in September
Silius, Italy
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Silius, Italy
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 32).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in September
Silius, 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).
