September weather forecastCalvello, Italy

September

Weather in September

September, the first month of the autumn in Calvello, is also a moderately hot month, with an average temperature varying between 13.3°C (55.9°F) and 23.4°C (74.1°F).

Temperature

The beginning of September involves a decrease in the average high-temperature, transitioning from 29.3°C (84.7°F) in August to a still moderately hot 23.4°C (74.1°F). Nighttime temperatures hover around an average low of 13.3°C (55.9°F) in September.

Humidity

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

Rainfall

In Calvello, Italy, during September, the rain falls for 16 days and regularly aggregates up to 52mm (2.05") of precipitation. Throughout the year, there are 179 rainfall days, and 696mm (27.4") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 06:24 and sunset at 19:28. On the last day of September, sunrise is at 06:52 and sunset at 18:40 CEST.

Sunshine

In September, the average sunshine in Calvello is 10.2h.

UV index

In September, the average daily maximum UV index in Calvello is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During September, 5 as the daily maximum UV index converts into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

In September, the average high-temperature and low-temperature in Calvello, Italy, are 23.4°C (74.1°F) and 13.3°C (55.9°F) respectively. 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).

The average relative humidity in September in Calvello is 69%.

In Calvello, in September, it is raining for 16 days, with typically 52mm (2.05") of accumulated precipitation.

May through October are months without snowfall.

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

On the first day of September in Calvello, sunrise is at 06:24 and sunset at 19:28. On the last day of the month, sunrise is at 06:52 and sunset at 18:40 CEST.

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

In Calvello, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Calvello, 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
Calvello, 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
Calvello, 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
Calvello, 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
Calvello, 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
Calvello, 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
Calvello, 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
Calvello, 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
Calvello, 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
Calvello, 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
Calvello, 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
Calvello, 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
Calvello, 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).