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 start of September comes with a reduction in the average high-temperature, receding from 28.7°C (83.7°F) in August to a still moderately hot 23°C (73.4°F). Throughout the month of September, Citerna witnesses an average temperature of 12.3°C (54.1°F).Humidity
In September, the average relative humidity is 75%.Rainfall
In Citerna, in September, during 11.5 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Citerna, there are 144.4 rainfall days, and 482mm (18.98") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Citerna, the average length of the day in September is 12h and 30min.On the first day of September, sunrise is at 06:35 and sunset at 19:46. On the last day of the month, sunrise is at 07:08 and sunset at 18:54 CEST.
Sunshine
In Citerna, the average sunshine in September is 10.1h.UV index
The average daily maximum UV index in September is 4. 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: The daily high UV index of 4 during September translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Citerna?
What is the average humidity in September in Citerna?
How many days does it rain in September in Citerna?
When it does not snow in Citerna?
How many hours of daylight does Citerna have in September?
When is the sunrise / sunset in September in Citerna?
How long on average sun shines in September in Citerna?
How high is the UV index in September in Citerna?
Average temperature in September
Citerna, Italy
- Average high temperature in September: 23°C
The warmest month (with the highest average high temperature) is August (28.7°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).
Average pressure in September
Citerna, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Citerna, Italy
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is March (12.3km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in September
Citerna, Italy
- Average humidity in September: 75%
The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Citerna, Italy
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is November (58mm).
The driest month (with the least rainfall) is August (32mm).
Average rainfall days in September
Citerna, Italy
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is August (8.8 days).
Average snowfall in September
Citerna, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (71mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Citerna, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Citerna, 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: 10h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).
Average sunshine days in September
Citerna, Italy
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is August (20.7 days).
The month with the least sunshine days is February (12.2 days).
Average UV index in September
Citerna, Italy
- Average UV index in September: 4
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 2).
Average cloud cover in September
Citerna, Italy
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Citerna, Italy
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, October, November and December (8km).
Citerna, Italy
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