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 shift from August to September corresponds with a decrease in the average high-temperature, down to a still warm 23.1°C (73.6°F) from 28.8°C (83.8°F). Castelpetroso records a consistent low-temperature of 12.1°C (53.8°F) during September nights.Humidity
The average relative humidity in September is 72%.Rainfall
In Castelpetroso, in September, during 13.8 rainfall days, 42mm (1.65") of precipitation is typically accumulated. Throughout the year, in Castelpetroso, Italy, there are 186.2 rainfall days, and 769mm (30.28") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Castelpetroso, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 06:29 and sunset at 19:35. On the last day of September, in Castelpetroso, sunrise is at 06:58 and sunset at 18:46 CEST.
Sunshine
In September, the average sunshine is 10.6h.UV index
In Castelpetroso, Italy, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What are the temperatures in Castelpetroso in September?
What is the average humidity in September in Castelpetroso?
How many days does it rain in September in Castelpetroso?
When it does not snow in Castelpetroso?
How many hours of daylight does Castelpetroso have in September?
What time are sunrise and sunset in September in Castelpetroso?
How long on average sun shines in September in Castelpetroso?
What is the UV index reading in September in Castelpetroso?
Average temperature in September
Castelpetroso, 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
Castelpetroso, 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
Castelpetroso, 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
Castelpetroso, 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
Castelpetroso, 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
Castelpetroso, 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
Castelpetroso, 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
Castelpetroso, 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
Castelpetroso, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
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
Castelpetroso, 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
Castelpetroso, 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
Castelpetroso, 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
Castelpetroso, 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).
Castelpetroso, Italy
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