September weather forecast
Appennino, Italy

September

Weather in September

September, the first month of the autumn in Appennino, is still a warm month, with temperature in the range of an average high of 23.1°C (73.6°F) and an average low of 12°C (53.6°F).

Temperature

Appennino's weather in September involves a decrease in the average high-temperature, moving down from August's 28.8°C (83.8°F) to a still moderately hot 23.1°C (73.6°F). Throughout September nights, Appennino experiences a consistent temperature average of 12°C (53.6°F).

Humidity

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

Rainfall

In September, the rain falls for 11.5 days. Throughout September, 32mm (1.26") of precipitation is accumulated. In Appennino, during the entire year, the rain falls for 164.8 days and collects up to 540mm (21.26") of precipitation.

Snowfall

April through October are months without snowfall in Appennino.

Daylight

The average length of the day in September in Appennino is 12h and 29min.
On the first day of the month, sunrise is at 06:32 and sunset at 19:42. On the last day of September, sunrise is at 07:04 and sunset at 18:50 CEST.

Sunshine

In Appennino, the average sunshine in September is 10.7h.

UV index

In Appennino, Italy, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Heed the precautions - It is counselled to guard against solar damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

What is the temperature in September in Appennino?
The average high-temperature, in September, in Appennino, is 23.1°C (73.6°F), while the average low-temperature is 12°C (53.6°F). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 31°C (87.8°F).
What is the average humidity in September in Appennino?
The average relative humidity in September is 71%.
How many days does it rain in September in Appennino?
In Appennino, during September, the rain falls for 11.5 days and regularly aggregates up to 32mm (1.26") of precipitation.
When it does not snow in Appennino?
April through October are months without snowfall in Appennino.
How many hours of daylight does Appennino have in September?
In Appennino, the average day length in September is 12h and 29min.
When are sunrise and sunset in September in Appennino?
In September, on the first day of the month, sunrise is at 06:32 and sunset at 19:42. On the last day of the month, in Appennino, Italy, sunrise is at 07:04 and sunset at 18:50 CEST.
How long on average sun shines in September in Appennino?
The average sunshine duration in September is 10.7h.
How high is the UV index in September in Appennino?
The average daily maximum UV index in September in Appennino 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Appennino, Italy
Average temperature in September
Appennino, Italy
  • Average high temperature in September: 23.1°C

The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (7.1°C).

  • Average low temperature in September: 12°C

The month with the highest average low temperature is August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (0.8°C).

Average pressure in September - Appennino, Italy
Average pressure in September
Appennino, 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 (1013.6mbar).

Average wind speed in September - Appennino, Italy
Average wind speed in September
Appennino, Italy
  • Average wind speed in September: 8.5km/h

The windiest month (with the highest average wind speed) is March (11.5km/h).
The calmest month (with the lowest average wind speed) is July (7.7km/h).

Average humidity in September - Appennino, Italy
Average humidity in September
Appennino, Italy
  • Average humidity in September: 71%

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

Average rainfall in September - Appennino, Italy
Average rainfall in September
Appennino, Italy
  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is May (84mm).
The driest month (with the least rainfall) is August (21mm).

Average rainfall days in September - Appennino, Italy
Average rainfall days in September
Appennino, Italy
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is August (8.1 days).

Average snowfall in September - Appennino, Italy
Average snowfall in September
Appennino, Italy
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (44mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September - Appennino, Italy
Average snowfall days in September
Appennino, 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 - Appennino, Italy
Average daylight in September /
Average sunshine in September
Appennino, Italy
  • Average daylight in September: 12h and 3min

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 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days in September - Appennino, Italy
Average sunshine days in September
Appennino, Italy
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is May (8.8 days).

Average UV index in September - Appennino, Italy
Average UV index in September
Appennino, 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 and December (UV index 2).

Average cloud cover in September - Appennino, Italy
Average cloud cover in September
Appennino, Italy
  • Average cloud cover in September: 22

The months with the most cloud cover are January and February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in September - Appennino, Italy
Average visibility in September
Appennino, 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).

englishespañol中文
Share