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
With the arrival of September, Pietraporzio notices a mild change in the average high-temperature, sliding from August's refreshing 19.2°C (66.6°F) to a mild 14.7°C (58.5°F). During September, the nighttime temperature averages to an icy 4.3°C (39.7°F).Humidity
In September, the average relative humidity is 74%.Rainfall
In Pietraporzio, during September, the rain falls for 9.5 days and regularly aggregates up to 19mm (0.75") of precipitation. In Pietraporzio, during the entire year, the rain falls for 91.7 days and collects up to 362mm (14.25") of precipitation.Snowfall
July through September are months without snowfall.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 06:55 and sunset at 20:08. On the last day of the month, sunrise is at 07:29 and sunset at 19:14 CEST.
Sunshine
The average sunshine in September is 9.5h.UV index
In Pietraporzio, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 3 in September transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Pietraporzio in September?
What is the average humidity in September in Pietraporzio?
How many days does it rain in September in Pietraporzio?
When it does not snow in Pietraporzio?
Does it snow in Pietraporzio in September?
What is the average length of the day in September in Pietraporzio?
What time are sunrise and sunset in September in Pietraporzio?
How long on average sun shines in September in Pietraporzio?
What is the UV index reading in September in Pietraporzio?
Average temperature in September
Pietraporzio, Italy
- Average high temperature in September: 14.7°C
The warmest month (with the highest average high temperature) is August (19.2°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in September: 4.3°C
The month with the highest average low temperature is July (7°C).
The coldest month (with the lowest average low temperature) is January (-10.9°C).
Average pressure in September
Pietraporzio, Italy
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is April (1014.3mbar).
Average wind speed in September
Pietraporzio, Italy
- Average wind speed in September: 5.6km/h
The windiest month (with the highest average wind speed) is March (7.8km/h).
The calmest month (with the lowest average wind speed) is September (5.6km/h).
Average humidity in September
Pietraporzio, Italy
- Average humidity in September: 74%
The months with the highest relative humidity are February and March (86%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Pietraporzio, Italy
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is November (49mm).
The driest month (with the least rainfall) is January (13mm).
Average rainfall days in September
Pietraporzio, Italy
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is June (15.6 days).
The month with the least rainy days is December (2.4 days).
Average snowfall in September
Pietraporzio, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is November (304mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Pietraporzio, Italy
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Pietraporzio, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Pietraporzio, Italy
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Pietraporzio, Italy
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Pietraporzio, Italy
- Average cloud cover in September: 27
The month with the most cloud cover is April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Pietraporzio, Italy
- Average visibility in September: 9km
The months with the highest visibility are June, July, August, September and October (9km).
The months with the lowest visibility are January, February and March (7km).
Pietraporzio, Italy
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