September weather forecastPertosa, Italy

September

Weather in September

September, the first month of the autumn in Pertosa, is still a warm month, with an average temperature ranging between min 13.3°C (55.9°F) and max 23.4°C (74.1°F).

Temperature

September's onset brings a slight change in high-temperatures, falling from 29.3°C (84.7°F) in August to a still warm 23.4°C (74.1°F). During September, Pertosa records a consistent average nighttime temperature of 13.3°C (55.9°F).

Humidity

In Pertosa, the average relative humidity in September is 69%.

Rainfall

In Pertosa, in September, it is raining for 16 days, with typically 52mm (2.05") of accumulated precipitation. Throughout the year, in Pertosa, there are 179 rainfall days, and 696mm (27.4") of precipitation is accumulated.

Snowfall

In Pertosa, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of September in Pertosa, sunrise is at 06:25 and sunset at 19:30. On the last day of the month, sunrise is at 06:54 and sunset at 18:41 CEST.

Sunshine

The average sunshine in September in Pertosa is 10.2h.

UV index

In September, the average daily maximum UV index in Pertosa is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 5 in September translates into this advice:
Guard yourself - Avoiding sunburn is suggested. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

The high-temperature in Pertosa, Italy, during September is 23.4°C (74.1°F) and the low-temperature is 13.3°C (55.9°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is estimated at 31°C (87.8°F).

In Pertosa, the average relative humidity in September is 69%.

In Pertosa, during September, the rain falls for 16 days and regularly aggregates up to 52mm (2.05") of precipitation.

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

In September, the average day length in Pertosa, Italy, is 12h and 28min.

On the first day of September, sunrise is at 06:25 and sunset at 19:30. On the last day of the month, sunrise is at 06:54 and sunset at 18:41 CEST.

In September, the average sunshine duration in Pertosa is 10.2h.

The average daily maximum UV index in September in Pertosa is 5. A UV Index reading 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
Pertosa, Italy

  • Average high temperature in September: 23.4°C

The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (7.8°C).

  • Average low temperature in September: 13.3°C

The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).

Average pressure in September
Pertosa, Italy

  • Average pressure in September: 1015.2mbar

The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).

Average wind speed in September
Pertosa, Italy

  • Average wind speed in September: 7.6km/h

The windiest month (with the highest average wind speed) is February (11.6km/h).
The calmest month (with the lowest average wind speed) is August (6.9km/h).

Average humidity in September
Pertosa, Italy

  • Average humidity in September: 69%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (58%).

Average rainfall in September
Pertosa, Italy

  • Average rainfall in September: 52mm

The wettest month (with the highest rainfall) is May (80mm).
The driest month (with the least rainfall) is December (43mm).

Average rainfall days in September
Pertosa, Italy

  • Average rainfall days in September: 16 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is December (11.9 days).

Average snowfall in September
Pertosa, Italy

  • Average snowfall in September: 0mm

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

Average snowfall days in September
Pertosa, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.2 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
Pertosa, Italy

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 10h and 12min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in September
Pertosa, Italy

  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is July (16.8 days).
The month with the least sunshine days is May (9.5 days).

Average UV index in September
Pertosa, Italy

  • Average UV index in September: 5

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

Average cloud cover in September
Pertosa, Italy

  • Average cloud cover in September: 26

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in September
Pertosa, 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, February and November (8km).