September weather forecastOsnago, Italy

September

Weather in September

The first month of the autumn, September, is still a warm month in Osnago, Italy, with temperature in the range of an average low of 14.3°C (57.7°F) and an average high of 23.3°C (73.9°F).

Temperature

With the onset of September, Osnago's average high-temperature slightly adjusts, moderately receding from August's 28.2°C (82.8°F) to a still moderately hot 23.3°C (73.9°F). In the month of September, Osnago witnesses a consistent average low-temperature of 14.3°C (57.7°F).

Humidity

In Osnago, the average relative humidity in September is 72%.

Rainfall

In September, the rain falls for 14.6 days. Throughout September, 81mm (3.19") of precipitation is accumulated. Throughout the year, there are 162.3 rainfall days, and 972mm (38.27") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September in Osnago, Italy, is 12h and 32min.
On the first day of the month, sunrise is at 06:44 and sunset at 20:00. On the last day of September, sunrise is at 07:20 and sunset at 19:04 CEST.

Sunshine

In Osnago, the average sunshine in September is 9.6h.

UV index

The average daily maximum UV index in September in Osnago is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

An average high-temperature, in September, in Osnago, is 23.3°C (73.9°F) and the average low-temperature is 14.3°C (57.7°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is evaluated at 31°C (87.8°F).

In Osnago, Italy, the average relative humidity in September is 72%.

In Osnago, in September, during 14.6 rainfall days, 81mm (3.19") of precipitation is typically accumulated.

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

The average day length in September is 12h and 32min.

In September, on the first day of the month, sunrise is at 06:44 and sunset at 20:00. On the last day of the month, in Osnago, sunrise is at 07:20 and sunset at 19:04 CEST.

The average sunshine duration in September is 9.6h.

The average daily maximum UV index in September in Osnago is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
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
Osnago, Italy

  • Average high temperature in September: 23.3°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in September: 14.3°C

The month with the highest average low temperature is August (18.3°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).

Average pressure in September
Osnago, Italy

  • Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is December (1020mbar).
The months with the lowest atmospheric pressure are April and May (1014.7mbar).

Average wind speed in September
Osnago, Italy

  • Average wind speed in September: 5.8km/h

The windiest month (with the highest average wind speed) is April (7km/h).
The calmest months (with the lowest average wind speed) are November and December (5.6km/h).

Average humidity in September
Osnago, Italy

  • Average humidity in September: 72%

The month with the highest relative humidity is November (79%).
The months with the lowest relative humidity are July and August (69%).

Average rainfall in September
Osnago, Italy

  • Average rainfall in September: 81mm

The wettest month (with the highest rainfall) is August (141mm).
The driest month (with the least rainfall) is January (21mm).

Average rainfall days in September
Osnago, Italy

  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is January (6 days).

Average snowfall in September
Osnago, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Osnago, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.3 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
Osnago, 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: 9h and 36min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).

Average sunshine days in September
Osnago, Italy

  • Average sunshine days in September: 12.4 days

The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is June (6.8 days).

Average UV index in September
Osnago, Italy

  • Average UV index in September: 5

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
Osnago, Italy

  • Average cloud cover in September: 28

The month with the most cloud cover is November (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 22).

Average visibility in September
Osnago, Italy

  • Average visibility in September: 9km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).