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
September brings a slight decrease in the average high-temperature, shifting from a hot 30.3°C (86.5°F) in August to a moderately hot 25.5°C (77.9°F). Giffoni Valle Piana records a mean low-temperature of 16.8°C (62.2°F) in September.Humidity
The average relative humidity in September in Giffoni Valle Piana is 67%.Rainfall
In Giffoni Valle Piana, during September, the rain falls for 11.8 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, in Giffoni Valle Piana, Italy, there are 140.4 rainfall days, and 513mm (20.2") of precipitation is accumulated.Snowfall
In Giffoni Valle Piana, snow does not fall in March through November.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September in Giffoni Valle Piana, sunrise is at 06:27 and sunset at 19:32. On the last day of the month, sunrise is at 06:56 and sunset at 18:43 CEST.
Sunshine
In Giffoni Valle Piana, the average sunshine in September is 10.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the average September temperature in Giffoni Valle Piana?
What is the average humidity in September in Giffoni Valle Piana?
How many days does it rain in September in Giffoni Valle Piana?
When it does not snow in Giffoni Valle Piana?
What is the average length of the day in September in Giffoni Valle Piana?
What time are sunrise and sunset in September in Giffoni Valle Piana?
How many hours of sunshine does Giffoni Valle Piana have in September?
What is the UV index reading in September in Giffoni Valle Piana?
Average temperature in September
Giffoni Valle Piana, Italy
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (11°C).
- Average low temperature in September: 16.8°C
The month with the highest average low temperature is August (19.4°C).
The coldest months (with the lowest average low temperature) are January and February (5.3°C).
Average pressure in September
Giffoni Valle Piana, Italy
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in September
Giffoni Valle Piana, Italy
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is February (12.2km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in September
Giffoni Valle Piana, Italy
- Average humidity in September: 67%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Giffoni Valle Piana, Italy
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is November (99mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in September
Giffoni Valle Piana, Italy
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is January (14.9 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in September
Giffoni Valle Piana, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Giffoni Valle Piana, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Giffoni Valle Piana, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and February (Average sunshine: 5h and 48min).
Average sunshine days in September
Giffoni Valle Piana, Italy
- Average sunshine days in September: 15.3 days
The months with the most sunshine days are July and August (22.4 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in September
Giffoni Valle Piana, 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 3).
Average cloud cover in September
Giffoni Valle Piana, Italy
- Average cloud cover in September: 20
The months with the most cloud cover are January and February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Giffoni Valle Piana, 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).
Giffoni Valle Piana, Italy
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