September weather forecastSigillo, Italy

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Sigillo, Italy, with an average temperature varying between 22.9°C (73.2°F) and 13.2°C (55.8°F).

Temperature

A moderate decline in the average high-temperature is seen during September, decreasing from a moderately hot 28.6°C (83.5°F) in August to an agreeable 22.9°C (73.2°F). During the nights in September, Sigillo observes an average low-temperature of 13.2°C (55.8°F).

Humidity

The average relative humidity in September is 73%.

Rainfall

In Sigillo, during September, the rain falls for 12.9 days and regularly aggregates up to 48mm (1.89") of precipitation. In Sigillo, during the entire year, the rain falls for 166.6 days and collects up to 675mm (26.57") of precipitation.

Snowfall

In Sigillo, snow does not fall in April through October.

Daylight

The average length of the day in September in Sigillo is 12h and 30min.
On the first day of September in Sigillo, Italy, sunrise is at 06:33 and sunset at 19:44. On the last day of the month, sunrise is at 07:05 and sunset at 18:51 CEST.

Sunshine

The average sunshine in September is 10.1h.

UV index

In Sigillo, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

The average high-temperature and low-temperature in Sigillo, Italy, during September are 22.9°C (73.2°F) and 13.2°C (55.8°F) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 31°C (87.8°F).

In Sigillo, Italy, the average relative humidity in September is 73%.

In Sigillo, Italy, during September, the rain falls for 12.9 days and regularly aggregates up to 48mm (1.89") of precipitation.

April through October are months without snowfall in Sigillo, Italy.

In Sigillo, Italy, the average day length in September is 12h and 30min.

On the first day of September in Sigillo, sunrise is at 06:33 and sunset at 19:44. On the last day of the month, sunrise is at 07:05 and sunset at 18:51 CEST.

In September, the average sunshine duration in Sigillo is 10.1h.

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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
Sigillo, Italy

  • Average high temperature in September: 22.9°C

The warmest month (with the highest average high temperature) is August (28.6°C).
The month with the lowest average high temperature is January (7.1°C).

  • Average low temperature in September: 13.2°C

The month with the highest average low temperature is August (16.6°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in September
Sigillo, Italy

  • Average pressure in September: 1015.5mbar

The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).

Average wind speed in September
Sigillo, Italy

  • Average wind speed in September: 8.5km/h

The windiest month (with the highest average wind speed) is March (11.7km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).

Average humidity in September
Sigillo, Italy

  • Average humidity in September: 73%

The months with the highest relative humidity are January and November (84%).
The month with the lowest relative humidity is August (63%).

Average rainfall in September
Sigillo, Italy

  • Average rainfall in September: 48mm

The wettest month (with the highest rainfall) is May (100mm).
The driest months (with the least rainfall) are January and July (43mm).

Average rainfall days in September
Sigillo, Italy

  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is August (10.3 days).

Average snowfall in September
Sigillo, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (121mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Sigillo, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.9 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
Sigillo, 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 0min).

  • Average sunshine in September: 10h and 6min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in September
Sigillo, Italy

  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is August (18.8 days).
The months with the least sunshine days are February and May (9.3 days).

Average UV index in September
Sigillo, Italy

  • Average UV index in September: 4

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

Average cloud cover in September
Sigillo, Italy

  • Average cloud cover in September: 25

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in September
Sigillo, Italy

  • Average visibility in September: 9km

The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January and November (8km).