September weather forecastStriano, Italy

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Striano, Italy, with an average temperature ranging between min 18.6°C (65.5°F) and max 25.5°C (77.9°F).

Temperature

September signifies a gentle decline in Striano's average high-temperature, easing from a tropical 30.2°C (86.4°F) in August to a moderately hot 25.5°C (77.9°F). In September, the temperature in Striano drops to an average of 18.6°C (65.5°F) at night.

Humidity

In September, the average relative humidity is 65%.

Rainfall

In Striano, during September, the rain falls for 12.5 days and regularly aggregates up to 48mm (1.89") of precipitation. In Striano, Italy, during the entire year, the rain falls for 149.6 days and collects up to 614mm (24.17") of precipitation.

Snowfall

In Striano, Italy, snow does not fall in March through December.

Daylight

In September, the average length of the day in Striano is 12h and 28min.
On the first day of the month, sunrise is at 06:29 and sunset at 19:34. On the last day of September, sunrise is at 06:57 and sunset at 18:45 CEST.

Sunshine

In Striano, the average sunshine in September is 10.9h.

UV index

The average daily maximum UV index in September in Striano is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

In September, in Striano, the average high-temperature is 25.5°C (77.9°F), and the average low-temperature is 18.6°C (65.5°F). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 33°C (91.4°F).

The average relative humidity in September in Striano is 65%.

In Striano, Italy, during September, the rain falls for 12.5 days and regularly aggregates up to 48mm (1.89") of precipitation.

March through December are months without snowfall in Striano, Italy.

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

On the first day of September, sunrise is at 06:29 and sunset at 19:34. On the last day of the month, sunrise is at 06:57 and sunset at 18:45 CEST.

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

In September, the average daily maximum UV index in Striano, Italy, is 6. A UV Index estimate of 6 to 7 represents a high 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Striano, Italy

  • Average high temperature in September: 25.5°C

The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (11.7°C).

  • Average low temperature in September: 18.6°C

The month with the highest average low temperature is August (21.6°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).

Average pressure in September
Striano, Italy

  • Average pressure in September: 1015.5mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).

Average wind speed in September
Striano, Italy

  • Average wind speed in September: 9.3km/h

The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).

Average humidity in September
Striano, Italy

  • Average humidity in September: 65%

The months with the highest relative humidity are January and November (75%).
The month with the lowest relative humidity is August (61%).

Average rainfall in September
Striano, Italy

  • Average rainfall in September: 48mm

The wettest month (with the highest rainfall) is November (122mm).
The driest month (with the least rainfall) is August (11mm).

Average rainfall days in September
Striano, Italy

  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is January (15.6 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in September
Striano, Italy

  • Average snowfall in September: 0mm

The months with the highest snowfall are January and February (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Striano, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Striano, Italy

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 10h and 54min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

Average sunshine days in September
Striano, Italy

  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is July (22.4 days).
The month with the least sunshine days is February (10.8 days).

Average UV index in September
Striano, Italy

  • Average UV index in September: 6

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

Average cloud cover in September
Striano, Italy

  • Average cloud cover in September: 19

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in September
Striano, 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).