September weather forecastPenne, Italy

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Penne, Italy, with an average temperature fluctuating between 17.6°C (63.7°F) and 24.3°C (75.7°F).

Temperature

A modest decline in the average high-temperature is seen during September, decreasing from a warm 28.9°C (84°F) in August to a still moderately hot 24.3°C (75.7°F). Penne's temperature lowers to a mean of 17.6°C (63.7°F) during the nights in September.

Humidity

In September, the average relative humidity in Penne, Italy, is 65%.

Rainfall

In Penne, in September, during 10.5 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, in Penne, there are 128.6 rainfall days, and 418mm (16.46") of precipitation is accumulated.

Snowfall

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

Daylight

In Penne, the average length of the day in September is 12h and 29min.
On the first day of September, sunrise is at 06:29 and sunset at 19:38. On the last day of the month, sunrise is at 07:00 and sunset at 18:47 CEST.

Sunshine

In Penne, Italy, the average sunshine in September is 10.9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 5 suggests this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

Penne in September has an average high-temperature of 24.3°C (75.7°F) and an average low-temperature of 17.6°C (63.7°F). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 31°C (87.8°F).

In Penne, the average relative humidity in September is 65%.

In Penne, in September, it is raining for 10.5 days, with typically 33mm (1.3") of accumulated precipitation.

April through October are months without snowfall in Penne.

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

In September, on the first day of the month, sunrise is at 06:29 and sunset at 19:38. On the last day of the month, in Penne, Italy, sunrise is at 07:00 and sunset at 18:47 CEST.

In September, the average sunshine duration in Penne, Italy, is 10.9h.

In Penne, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from 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
Penne, Italy

  • Average high temperature in September: 24.3°C

The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (10.3°C).

  • Average low temperature in September: 17.6°C

The month with the highest average low temperature is August (21.1°C).
The coldest month (with the lowest average low temperature) is January (5.6°C).

Average pressure in September
Penne, Italy

  • Average pressure in September: 1015.4mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).

Average wind speed in September
Penne, Italy

  • Average wind speed in September: 9.9km/h

The windiest month (with the highest average wind speed) is February (12km/h).
The calmest month (with the lowest average wind speed) is November (9.4km/h).

Average humidity in September
Penne, Italy

  • Average humidity in September: 65%

The months with the highest relative humidity are January and November (74%).
The months with the lowest relative humidity are July and August (60%).

Average rainfall in September
Penne, Italy

  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is January (54mm).
The driest month (with the least rainfall) is August (20mm).

Average rainfall days in September
Penne, Italy

  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is May (13.6 days).
The month with the least rainy days is August (7.2 days).

Average snowfall in September
Penne, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Penne, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.9 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
Penne, Italy

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 10h and 54min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

Average sunshine days in September
Penne, Italy

  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (12.4 days).

Average UV index in September
Penne, Italy

  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in September
Penne, Italy

  • Average cloud cover in September: 19

The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 11).

Average visibility in September
Penne, Italy

  • Average visibility in September: 10km

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