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's onset brings a slight change in high-temperatures, falling from a hot 30.6°C (87.1°F) in August to a moderately hot 25.2°C (77.4°F). Throughout the month of September, Altavilla Irpina reports a steady low-temperature average of 16.1°C (61°F).Humidity
In September, the average relative humidity is 67%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 151.8 rainfall days, and 554mm (21.81") of precipitation is accumulated.Snowfall
In Altavilla Irpina, Italy, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 28min.On the first day of September in Altavilla Irpina, sunrise is at 06:28 and sunset at 19:33. On the last day of the month, sunrise is at 06:56 and sunset at 18:44 CEST.
Sunshine
In Altavilla Irpina, the average sunshine in September is 10.7h.UV index
The average daily maximum UV index in September in Altavilla Irpina is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the usual temperature for Altavilla Irpina in September?
What is the average humidity in September in Altavilla Irpina?
How many days does it rain in September in Altavilla Irpina?
When it does not snow in Altavilla Irpina?
What is the average length of the day in September in Altavilla Irpina?
What time are sunrise and sunset in September in Altavilla Irpina?
How many hours of sunshine does Altavilla Irpina have in September?
How high is the UV index in September in Altavilla Irpina?
Average temperature in September
Altavilla Irpina, Italy
- Average high temperature in September: 25.2°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (10.1°C).
- Average low temperature in September: 16.1°C
The month with the highest average low temperature is August (19.2°C).
The coldest month (with the lowest average low temperature) is January (4.3°C).
Average pressure in September
Altavilla Irpina, 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
Altavilla Irpina, Italy
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in September
Altavilla Irpina, Italy
- Average humidity in September: 67%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Altavilla Irpina, Italy
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is November (85mm).
The driest month (with the least rainfall) is August (15mm).
Average rainfall days in September
Altavilla Irpina, Italy
- Average rainfall days in September: 12.5 days
The months with the highest number of rainy days are January and March (15.8 days).
The month with the least rainy days is August (7.2 days).
Average snowfall in September
Altavilla Irpina, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Altavilla Irpina, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Altavilla Irpina, 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 18min).
- Average sunshine in September: 10h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Altavilla Irpina, Italy
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is August (21.1 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in September
Altavilla Irpina, 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, November and December (UV index 3).
Average cloud cover in September
Altavilla Irpina, Italy
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Altavilla Irpina, Italy
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February, March, April and November (9km).
Altavilla Irpina, Italy
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