September weather forecastOnara, Italy

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Onara, Italy, with an average temperature varying between 21°C (69.8°F) and 12.5°C (54.5°F).

Temperature

With the beginning of September, the average high-temperature shows a small decrease, transitioning from a moderately hot 25.5°C (77.9°F) in August to a pleasant 21°C (69.8°F). During September, the nighttime temperature averages to a cool 12.5°C (54.5°F).

Humidity

The average relative humidity in September is 76%.

Rainfall

In Onara, during September, the rain falls for 17.9 days and regularly aggregates up to 72mm (2.83") of precipitation. Throughout the year, there are 210.9 rainfall days, and 1130mm (44.49") of precipitation is accumulated.

Snowfall

In Onara, snow does not fall in April through November.

Daylight

In September, the average length of the day is 12h and 32min.
On the first day of September in Onara, sunrise is at 06:34 and sunset at 19:50. On the last day of the month, sunrise is at 07:10 and sunset at 18:54 CEST.

Sunshine

In Onara, the average sunshine in September is 10.1h.

UV index

In September, the average daily maximum UV index in Onara is 4. 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: A daily maximum UV index of 4 in September translates into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. When the Sun is at its strongest around midday, find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

September temperatures in Onara, Italy, vary between a high-temperature of 21°C (69.8°F) and a low-temperature of 12.5°C (54.5°F).

The average relative humidity in September in Onara, Italy, is 76%.

In Onara, in September, during 17.9 rainfall days, 72mm (2.83") of precipitation is typically accumulated.

April through November are months without snowfall in Onara.

In Onara, the average day length in September is 12h and 32min.

In September, on the first day of the month, sunrise is at 06:34 and sunset at 19:50. On the last day of the month, in Onara, Italy, sunrise is at 07:10 and sunset at 18:54 CEST.

The average sunshine duration in September in Onara is 10.1h.

The average daily maximum UV index in September 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Onara, Italy

  • Average high temperature in September: 21°C

The warmest month (with the highest average high temperature) is August (25.5°C).
The month with the lowest average high temperature is January (4.5°C).

  • Average low temperature in September: 12.5°C

The months with the highest average low temperature are July and August (15.8°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).

Average pressure in September
Onara, Italy

  • Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is May (1014.7mbar).

Average wind speed in September
Onara, Italy

  • Average wind speed in September: 6.3km/h

The windiest month (with the highest average wind speed) is April (7.3km/h).
The calmest month (with the lowest average wind speed) is December (5.7km/h).

Average humidity in September
Onara, Italy

  • Average humidity in September: 76%

The month with the highest relative humidity is November (81%).
The months with the lowest relative humidity are August and December (74%).

Average rainfall in September
Onara, Italy

  • Average rainfall in September: 72mm

The wettest month (with the highest rainfall) is June (142mm).
The driest month (with the least rainfall) is January (41mm).

Average rainfall days in September
Onara, Italy

  • Average rainfall days in September: 17.9 days

The month with the highest number of rainy days is May (25 days).
The month with the least rainy days is December (10.1 days).

Average snowfall in September
Onara, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Onara, Italy

  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (2.3 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
Onara, Italy

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 10h and 6min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The months with the least sunshine are February and November (Average sunshine: 5h and 30min).

Average sunshine days in September
Onara, Italy

  • Average sunshine days in September: 8.9 days

The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is June (2.8 days).

Average UV index in September
Onara, 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, February, November and December (UV index 2).

Average cloud cover in September
Onara, Italy

  • Average cloud cover in September: 29

The months with the most cloud cover are February and November (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in September
Onara, Italy

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).