September weather forecastSpoleto, Italy

September weather for Spoleto, Italy: In Spoleto, Italy, during September, the rain falls for 10.8 days and regularly aggregates up to 28mm (1.1") of precipitation. On the last day of September, in Spoleto, Italy, sunrise is at 07:05 and sunset at 18:52 CEST.

September

Weather in September

September, the first month of the autumn in Spoleto, is still a warm month, with an average temperature varying between 11.7°C (53.1°F) and 23.2°C (73.8°F).

Temperature

The onset of September entails a temperature shift, as the average high-temperature decreases from 29°C (84.2°F) in August to a still moderately hot 23.2°C (73.8°F). Spoleto's nighttime temperature in September falls to an average of 11.7°C (53.1°F).

Humidity

In September, the average relative humidity in Spoleto is 71%.

Rainfall

In September, in Spoleto, the rain falls for 10.8 days. Throughout September, 28mm (1.1") of precipitation is accumulated. Throughout the year, in Spoleto, there are 158.4 rainfall days, and 528mm (20.79") of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 06:34 and sunset at 19:43. On the last day of September, in Spoleto, Italy, sunrise is at 07:05 and sunset at 18:52 CEST.

Sunshine

In September, the average sunshine in Spoleto is 10.8h.

UV index

In Spoleto, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Act with care - The need to guard against sun damage is communicated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

During September, Spoleto experiences an average high-temperature of 23.2°C (73.8°F) and a low-temperature of 11.7°C (53.1°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in August is computed to be 31°C (87.8°F).

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

In Spoleto, Italy, during September, the rain falls for 10.8 days and regularly aggregates up to 28mm (1.1") of precipitation.

April through October are months without snowfall in Spoleto.

In Spoleto, Italy, the average day length in September is 12h and 29min.

In September, on the first day of the month, sunrise is at 06:34 and sunset at 19:43. On the last day of the month, in Spoleto, Italy, sunrise is at 07:05 and sunset at 18:52 CEST.

The average sunshine duration in September is 10.8h.

In Spoleto, Italy, the average daily maximum UV index in September is 5. 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
Spoleto, Italy

  • Average high temperature in September: 23.2°C

The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (7.2°C).

  • Average low temperature in September: 11.7°C

The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).

Average pressure in September
Spoleto, 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 (1013.7mbar).

Average wind speed in September
Spoleto, Italy

  • Average wind speed in September: 7.8km/h

The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest months (with the lowest average wind speed) are July and August (7.1km/h).

Average humidity in September
Spoleto, Italy

  • Average humidity in September: 71%

The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is August (62%).

Average rainfall in September
Spoleto, Italy

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is November (76mm).
The driest month (with the least rainfall) is August (18mm).

Average rainfall days in September
Spoleto, Italy

  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is August (6.1 days).

Average snowfall in September
Spoleto, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (40mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Spoleto, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Spoleto, 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 48min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and February (Average sunshine: 6h and 0min).

Average sunshine days in September
Spoleto, Italy

  • Average sunshine days in September: 16.8 days

The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is May (9.7 days).

Average UV index in September
Spoleto, 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
Spoleto, Italy

  • Average cloud cover in September: 21

The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in September
Spoleto, Italy

  • Average visibility in September: 9km

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