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 comes with a shift in the average high-temperature, falling from a warm 28.8°C (83.8°F) in August to a still moderately hot 23.1°C (73.6°F). In the month of September, the average temperature in San Pietro Avellana dips to a fresh 12.1°C (53.8°F) during the night.Humidity
In September, the average relative humidity is 72%.Rainfall
In San Pietro Avellana, during September, the rain falls for 13.8 days and regularly aggregates up to 42mm (1.65") of precipitation. In San Pietro Avellana, during the entire year, the rain falls for 186.2 days and collects up to 769mm (30.28") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In San Pietro Avellana, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 06:29 and sunset at 19:36. On the last day of September, in San Pietro Avellana, sunrise is at 06:59 and sunset at 18:46 CEST.
Sunshine
In San Pietro Avellana, the average sunshine in September is 10.6h.UV index
In September, the average daily maximum UV index in San Pietro Avellana, Italy, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 5 in September transforms into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What are September temperatures in San Pietro Avellana?
What is the average humidity in September in San Pietro Avellana?
How many days does it rain in September in San Pietro Avellana?
When it does not snow in San Pietro Avellana?
What is the average length of the day in September in San Pietro Avellana?
When are sunrise and sunset in September in San Pietro Avellana?
How long on average sun shines in September in San Pietro Avellana?
How high is the UV index in September in San Pietro Avellana?
Average temperature in September
San Pietro Avellana, Italy
- Average high temperature in September: 23.1°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
San Pietro Avellana, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in September
San Pietro Avellana, Italy
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in September
San Pietro Avellana, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
San Pietro Avellana, Italy
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is November (103mm).
The driest month (with the least rainfall) is August (33mm).
Average rainfall days in September
San Pietro Avellana, Italy
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is August (11.5 days).
Average snowfall in September
San Pietro Avellana, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (68mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
San Pietro Avellana, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
San Pietro Avellana, 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 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
San Pietro Avellana, Italy
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in September
San Pietro Avellana, Italy
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
San Pietro Avellana, Italy
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
San Pietro Avellana, Italy
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February and November (8km).
San Pietro Avellana, Italy
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