September weather forecastCastignano, Italy

September

Weather in September

September, the first month of the autumn in Castignano, is still a pleasant month, with an average temperature fluctuating between 22.7°C (72.9°F) and 13.6°C (56.5°F).

Temperature

The onset of September comes with a shift in the average high-temperature, falling from a moderately hot 28°C (82.4°F) in August to a pleasant 22.7°C (72.9°F). Throughout September, Castignano experiences a low-temperature average of 13.6°C (56.5°F).

Humidity

The average relative humidity in September in Castignano is 71%.

Rainfall

In Castignano, in September, during 15 rainfall days, 53mm (2.09") of precipitation is typically accumulated. In Castignano, Italy, during the entire year, the rain falls for 180.6 days and collects up to 715mm (28.15") of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September in Castignano is 12h and 29min.
On the first day of the month, sunrise is at 06:30 and sunset at 19:40. On the last day of September, in Castignano, sunrise is at 07:02 and sunset at 18:48 CEST.

Sunshine

The average sunshine in September in Castignano is 10.7h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 5 suggests this advice:
Put precautions into practice - Guidance to elude sunburn is provided. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

September temperatures vary between a high-temperature of 22.7°C (72.9°F) and a low-temperature of 13.6°C (56.5°F). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 30°C (86°F).

The average relative humidity in September in Castignano, Italy, is 71%.

In Castignano, during September, the rain falls for 15 days and regularly aggregates up to 53mm (2.09") of precipitation.

In Castignano, Italy, snow does not fall in May through October.

The average day length in September in Castignano is 12h and 29min.

On the first day of September in Castignano, Italy, sunrise is at 06:30 and sunset at 19:40. On the last day of the month, sunrise is at 07:02 and sunset at 18:48 CEST.

In Castignano, Italy, the average sunshine duration in September is 10.7h.

In September, the average daily maximum UV index in Castignano is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Castignano, Italy

  • Average high temperature in September: 22.7°C

The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (7.9°C).

  • Average low temperature in September: 13.6°C

The month with the highest average low temperature is August (17.5°C).
The coldest month (with the lowest average low temperature) is January (2.6°C).

Average pressure in September
Castignano, Italy

  • Average pressure in September: 1015.5mbar

The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).

Average wind speed in September
Castignano, Italy

  • Average wind speed in September: 7.5km/h

The windiest month (with the highest average wind speed) is February (9.1km/h).
The calmest month (with the lowest average wind speed) is November (7.3km/h).

Average humidity in September
Castignano, Italy

  • Average humidity in September: 71%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (63%).

Average rainfall in September
Castignano, Italy

  • Average rainfall in September: 53mm

The wettest month (with the highest rainfall) is May (96mm).
The driest month (with the least rainfall) is December (37mm).

Average rainfall days in September
Castignano, Italy

  • Average rainfall days in September: 15 days

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is December (12.1 days).

Average snowfall in September
Castignano, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Castignano, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.2 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
Castignano, Italy

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 10h and 42min

The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

Average sunshine days in September
Castignano, Italy

  • Average sunshine days in September: 12.6 days

The months with the most sunshine days are January and December (16.9 days).
The month with the least sunshine days is June (7.6 days).

Average UV index in September
Castignano, Italy

  • Average UV index in September: 5

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

Average cloud cover in September
Castignano, 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 14).

Average visibility in September
Castignano, Italy

  • Average visibility in September: 10km

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