September weather forecastLecco, Italy

September

Weather in September

September, the first month of the autumn in Lecco, is still a refreshing month, with an average temperature fluctuating between 10.4°C (50.7°F) and 19.5°C (67.1°F).

Temperature

September is marked by a subtle drop in average high-temperatures, transitioning from a moderately hot 24.2°C (75.6°F) in August to a comfortable 19.5°C (67.1°F). In September, the temperature drops to an average of 10.4°C (50.7°F) at night.

Humidity

In Lecco, Italy, the average relative humidity in September is 77%.

Rainfall

In Lecco, Italy, in September, it is raining for 16 days, with typically 75mm (2.95") of accumulated precipitation. In Lecco, during the entire year, the rain falls for 192.7 days and collects up to 1242mm (48.9") of precipitation.

Snowfall

Months with snowfall in Lecco are January through March, September, November and December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Lecco, during the entire year, snow falls for 10.2 days and aggregates up to 132mm (5.2") of snow.

Daylight

The average length of the day in September is 12h and 32min.
On the first day of September in Lecco, sunrise is at 06:43 and sunset at 20:00. On the last day of the month, sunrise is at 07:20 and sunset at 19:04 CEST.

Sunshine

The average sunshine in September is 9.7h.

UV index

In Lecco, Italy, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A daily high UV index of 4 in September leads to these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

In Lecco, 19.5°C (67.1°F) is the average high-temperature and 10.4°C (50.7°F) is the average low-temperature during September.

In Lecco, Italy, the average relative humidity in September is 77%.

In September, in Lecco, the rain falls for 16 days. Throughout September, 75mm (2.95") of precipitation is accumulated.

September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow.

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

In September, on the first day of the month, sunrise is at 06:43 and sunset at 20:00. On the last day of the month, in Lecco, sunrise is at 07:20 and sunset at 19:04 CEST.

In Lecco, the average sunshine duration in September is 9.7h.

In Lecco, Italy, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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
Lecco, Italy

  • Average high temperature in September: 19.5°C

The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (3.6°C).

  • Average low temperature in September: 10.4°C

The months with the highest average low temperature are July and August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).

Average pressure in September
Lecco, Italy

  • Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is December (1020.2mbar).
The months with the lowest atmospheric pressure are April and May (1014.9mbar).

Average wind speed in September
Lecco, Italy

  • Average wind speed in September: 5.9km/h

The windiest months (with the highest average wind speed) are March and May (6.6km/h).
The calmest month (with the lowest average wind speed) is November (5.4km/h).

Average humidity in September
Lecco, Italy

  • Average humidity in September: 77%

The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is July (73%).

Average rainfall in September
Lecco, Italy

  • Average rainfall in September: 75mm

The wettest month (with the highest rainfall) is November (162mm).
The driest month (with the least rainfall) is January (38mm).

Average rainfall days in September
Lecco, Italy

  • Average rainfall days in September: 16 days

The month with the highest number of rainy days is May (23.2 days).
The month with the least rainy days is January (9.7 days).

Average snowfall in September
Lecco, Italy

  • Average snowfall in September: 1mm

The month with the highest snowfall is December (36mm).
The months with the least snowfall are April, May, June, July, August and October (0mm).

Average snowfall days in September
Lecco, Italy

  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 9h and 42min

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 18min).

Average sunshine days in September
Lecco, Italy

  • Average sunshine days in September: 11.9 days

The months with the most sunshine days are January and December (18.3 days).
The month with the least sunshine days is May (5.1 days).

Average UV index in September
Lecco, Italy

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Lecco, Italy

  • Average cloud cover in September: 29

The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 24).

Average visibility in September
Lecco, 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).