September weather forecastPietransieri, Italy
September
Weather in September
The first month of the autumn, September, is still a warm month in Pietransieri, Italy, with an average temperature fluctuating between 12.1°C (53.8°F) and 23.1°C (73.6°F).Temperature
The arrival of September indicates a decrease in the average high-temperature, moving from 28.8°C (83.8°F) in August to a still moderately hot 23.1°C (73.6°F). Pietransieri, in September, experiences an average temperature of 12.1°C (53.8°F) at night.Humidity
In September, the average relative humidity is 72%.Rainfall
In Pietransieri, in September, it is raining for 13.8 days, with typically 42mm (1.65") of accumulated precipitation. In Pietransieri, during the entire year, the rain falls for 186.2 days and collects up to 769mm (30.28") of precipitation.Snowfall
In Pietransieri, snow does not fall in May through October.Daylight
In Pietransieri, Italy, the average length of the day in September is 12h and 29min.On the first day of September in Pietransieri, sunrise is at 06:29 and sunset at 19:36. On the last day of the month, sunrise is at 06:59 and sunset at 18:46 CEST.
Sunshine
The average sunshine in September in Pietransieri is 10.6h.UV index
In September, the average daily maximum UV index in Pietransieri, Italy, is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pietransieri, 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
Pietransieri, 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
Pietransieri, 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
Pietransieri, 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
Pietransieri, 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
Pietransieri, 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
Pietransieri, 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
Pietransieri, 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
Pietransieri, Italy
- Average daylight in September: 12h and 30min
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 36min
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
Pietransieri, 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
Pietransieri, 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
Pietransieri, 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
Pietransieri, 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).
