September weather forecastAlpignano, Italy

September

Weather in September

September, the first month of the autumn in Alpignano, is also an agreeable month, with an average temperature varying between 11.7°C (53.1°F) and 22.2°C (72°F).

Temperature

Alpignano's September weather comes with a decrease in average high-temperatures, moving from a warm 27.3°C (81.1°F) in August to a pleasant 22.2°C (72°F). Throughout September, Alpignano witnesses a consistent average low-temperature of 11.7°C (53.1°F).

Humidity

In September, the average relative humidity in Alpignano, Italy, is 67%.

Rainfall

In Alpignano, during September, the rain falls for 12.2 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, there are 158.9 rainfall days, and 651mm (25.63") of precipitation is accumulated.

Snowfall

April through September are months without snowfall in Alpignano.

Daylight

The average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 06:52 and sunset at 20:07. On the last day of September, in Alpignano, sunrise is at 07:27 and sunset at 19:12 CEST.

Sunshine

The average sunshine in September in Alpignano, Italy, is 9.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 4 suggests this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

The high-temperature, in September, in Alpignano, records 22.2°C (72°F), while the low-temperature is 11.7°C (53.1°F). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is evaluated at 29°C (84.2°F).

In Alpignano, the average relative humidity in September is 67%.

In Alpignano, in September, it is raining for 12.2 days, with typically 34mm (1.34") of accumulated precipitation.

In Alpignano, Italy, snow does not fall in April through September.

In Alpignano, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in Alpignano is 12h and 32min.

In September, on the first day of the month, sunrise is at 06:52 and sunset at 20:07. On the last day of the month, in Alpignano, sunrise is at 07:27 and sunset at 19:12 CEST.

In September, the average sunshine duration is 9.8h.

In September, the average daily maximum UV index in Alpignano, Italy, is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Alpignano, Italy

  • Average high temperature in September: 22.2°C

The warmest month (with the highest average high temperature) is July (27.7°C).
The month with the lowest average high temperature is January (5.6°C).

  • Average low temperature in September: 11.7°C

The month with the highest average low temperature is July (15.7°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).

Average pressure in September
Alpignano, Italy

  • Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is April (1014.4mbar).

Average wind speed in September
Alpignano, Italy

  • Average wind speed in September: 6km/h

The windiest month (with the highest average wind speed) is July (6.8km/h).
The calmest month (with the lowest average wind speed) is November (5.2km/h).

Average humidity in September
Alpignano, Italy

  • Average humidity in September: 67%

The month with the highest relative humidity is November (73%).
The month with the lowest relative humidity is July (62%).

Average rainfall in September
Alpignano, Italy

  • Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is November (103mm).
The driest month (with the least rainfall) is January (15mm).

Average rainfall days in September
Alpignano, Italy

  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in September
Alpignano, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (47mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Alpignano, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Alpignano, Italy

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 9h and 48min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).

Average sunshine days in September
Alpignano, Italy

  • Average sunshine days in September: 11.5 days

The months with the most sunshine days are January and December (20.4 days).
The month with the least sunshine days is June (4.7 days).

Average UV index in September
Alpignano, Italy

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in September
Alpignano, Italy

  • Average cloud cover in September: 22

The month with the most cloud cover is November (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 20).

Average visibility in September
Alpignano, Italy

  • Average visibility in September: 9km

The months with the highest visibility are June and July (10km).
The months with the lowest visibility are January, February, March, April, May, August, September, October, November and December (9km).