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 witnesses a gentle descent in average high-temperature, descending from August's warm 24.2°C (75.6°F) to an enjoyable 19.5°C (67.1°F). During September, the nighttime temperature averages of 10.4°C (50.7°F).Humidity
The average relative humidity in September is 77%.Rainfall
In September, in San Giovanni Bianco, the rain falls for 16 days. Throughout September, 75mm (2.95") of precipitation is accumulated. Throughout the year, there are 192.7 rainfall days, and 1242mm (48.9") of precipitation is accumulated.Snowfall
January through March, September, November and December are months with snowfall. September is the first month it typically snows in San Giovanni Bianco. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 10.2 snowfall days, and 132mm (5.2") of snow is accumulated.Daylight
The average length of the day in September in San Giovanni Bianco, Italy, is 12h and 32min.On the first day of the month, sunrise is at 06:42 and sunset at 19:59. On the last day of September, sunrise is at 07:19 and sunset at 19:03 CEST.
Sunshine
In San Giovanni Bianco, the average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index in San Giovanni Bianco is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the UV index of 4 transforms into the following advice:
Make use of precautions - It is urged to ward off sun damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in San Giovanni Bianco?
What is the average humidity in September in San Giovanni Bianco?
How many days does it rain in September in San Giovanni Bianco?
When does it start to snow in San Giovanni Bianco?
What is the average length of the day in September in San Giovanni Bianco?
What time are sunrise and sunset in September in San Giovanni Bianco?
How many hours of sunshine does San Giovanni Bianco have in September?
What is the UV index intensity in September in San Giovanni Bianco?
Average temperature in September
San Giovanni Bianco, Italy
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 10.4°C
The months with the highest average low temperature are July and August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in September
San Giovanni Bianco, Italy
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The months with the lowest atmospheric pressure are April and May (1014.9mbar).
Average wind speed in September
San Giovanni Bianco, Italy
- Average wind speed in September: 5.9km/h
The windiest months (with the highest average wind speed) are March and May (6.6km/h).
The calmest month (with the lowest average wind speed) is November (5.4km/h).
Average humidity in September
San Giovanni Bianco, Italy
- Average humidity in September: 77%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is July (73%).
Average rainfall in September
San Giovanni Bianco, Italy
- Average rainfall in September: 75mm
The wettest month (with the highest rainfall) is November (162mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in September
San Giovanni Bianco, Italy
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is May (23.2 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in September
San Giovanni Bianco, Italy
- Average snowfall in September: 1mm
The month with the highest snowfall is December (36mm).
The months with the least snowfall are April, May, June, July, August and October (0mm).
Average snowfall days in September
San Giovanni Bianco, Italy
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
San Giovanni Bianco, Italy
- Average daylight in September: 12h and 3min
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: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in September
San Giovanni Bianco, Italy
- Average sunshine days in September: 11.9 days
The months with the most sunshine days are January and December (18.3 days).
The month with the least sunshine days is May (5.1 days).
Average UV index in September
San Giovanni Bianco, Italy
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
San Giovanni Bianco, Italy
- Average cloud cover in September: 29
The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in September
San Giovanni Bianco, Italy
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
