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
Weather in September
Temperature
The onset of September brings a small shift in high-temperatures, falling from a moderately hot 24.2°C (75.6°F) in August to an agreeable 20.6°C (69.1°F). Nighttime temperatures hover around an average low of 15.9°C (60.6°F) in September, a slight descent from daytime highs.Humidity
In Ceriana, Italy, the average relative humidity in September is 73%.Rainfall
In Ceriana, during September, the rain falls for 14.7 days and regularly aggregates up to 52mm (2.05") of precipitation. Throughout the year, in Ceriana, Italy, there are 158.8 rainfall days, and 729mm (28.7") of precipitation is accumulated.Snowfall
In Ceriana, Italy, snow does not fall in January, April through December.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 06:52 and sunset at 20:04. On the last day of September, sunrise is at 07:25 and sunset at 19:11 CEST.
Sunshine
In Ceriana, the average sunshine in September is 9.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 5 in September leads to these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What are September temperatures in Ceriana?
What is the average humidity in September in Ceriana?
How many days does it rain in September in Ceriana?
When it does not snow in Ceriana?
What is the average length of the day in September in Ceriana?
When are sunrise and sunset in September in Ceriana?
How long on average sun shines in September in Ceriana?
How high is the UV index in September in Ceriana?
Average temperature in September
Ceriana, Italy
- Average high temperature in September: 20.6°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in September: 15.9°C
The month with the highest average low temperature is August (19.2°C).
The coldest month (with the lowest average low temperature) is February (4.4°C).
Average pressure in September
Ceriana, Italy
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is April (1013.8mbar).
Average wind speed in September
Ceriana, Italy
- Average wind speed in September: 9.7km/h
The windiest months (with the highest average wind speed) are February and March (13.3km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in September
Ceriana, Italy
- Average humidity in September: 73%
The month with the highest relative humidity is June (77%).
The months with the lowest relative humidity are January and December (71%).
Average rainfall in September
Ceriana, Italy
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is November (130mm).
The driest month (with the least rainfall) is January (25mm).
Average rainfall days in September
Ceriana, Italy
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is December (7.7 days).
Average snowfall in September
Ceriana, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Ceriana, Italy
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are January, April, May, June, July, August, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Ceriana, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in September
Ceriana, Italy
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in September
Ceriana, Italy
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Ceriana, Italy
- Average cloud cover in September: 20
The months with the most cloud cover are February and November (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Ceriana, 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).
Ceriana, Italy
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