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
The onset of September brings a small shift in high-temperatures, falling from 28.9°C (84°F) in August to a still warm 24.3°C (75.7°F). Throughout September, Lettomanoppello witnesses a nighttime temperature average of 17.6°C (63.7°F).Humidity
In September, the average relative humidity in Lettomanoppello is 65%.Rainfall
In Lettomanoppello, in September, during 10.5 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, there are 128.6 rainfall days, and 418mm (16.46") of precipitation is accumulated.Snowfall
In Lettomanoppello, snow does not fall in April through October.Daylight
In September, the average length of the day in Lettomanoppello is 12h and 29min.On the first day of September, sunrise is at 06:29 and sunset at 19:37. On the last day of the month, sunrise is at 07:00 and sunset at 18:47 CEST.
Sunshine
In September, the average sunshine in Lettomanoppello is 10.9h.UV index
In September, the average daily maximum UV index in Lettomanoppello, Italy, is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Lettomanoppello in September?
What is the average humidity in September in Lettomanoppello?
How much does it rain in Lettomanoppello in September?
When it does not snow in Lettomanoppello?
How many hours of daylight does Lettomanoppello have in September?
What time are sunrise and sunset in September in Lettomanoppello?
How long on average sun shines in September in Lettomanoppello?
How high is the UV index in September in Lettomanoppello?
Average temperature in September
Lettomanoppello, Italy
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (10.3°C).
- Average low temperature in September: 17.6°C
The month with the highest average low temperature is August (21.1°C).
The coldest month (with the lowest average low temperature) is January (5.6°C).
Average pressure in September
Lettomanoppello, Italy
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in September
Lettomanoppello, Italy
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is February (12km/h).
The calmest month (with the lowest average wind speed) is November (9.4km/h).
Average humidity in September
Lettomanoppello, Italy
- Average humidity in September: 65%
The months with the highest relative humidity are January and November (74%).
The months with the lowest relative humidity are July and August (60%).
Average rainfall in September
Lettomanoppello, Italy
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is January (54mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in September
Lettomanoppello, Italy
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (13.6 days).
The month with the least rainy days is August (7.2 days).
Average snowfall in September
Lettomanoppello, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lettomanoppello, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 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
Lettomanoppello, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Lettomanoppello, Italy
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in September
Lettomanoppello, Italy
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Lettomanoppello, Italy
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Lettomanoppello, 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).
