September weather forecastComerio, Italy

September

Weather in September

September, the first month of the autumn in Comerio, is still a pleasant month, with an average temperature fluctuating between 21.5°C (70.7°F) and 12.2°C (54°F).

Temperature

September ushers in a minor alteration in Comerio's climate, with the average high-temperature moving from August's warm 26.1°C (79°F) to an agreeable 21.5°C (70.7°F). Throughout September, Comerio witnesses a nighttime temperature average of 12.2°C (54°F).

Humidity

In Comerio, the average relative humidity in September is 74%.

Rainfall

In Comerio, in September, during 14.4 rainfall days, 54mm (2.13") of precipitation is typically accumulated. In Comerio, Italy, during the entire year, the rain falls for 178.3 days and collects up to 1124mm (44.25") of precipitation.

Snowfall

April through October are months without snowfall in Comerio.

Daylight

In September, the average length of the day in Comerio is 12h and 32min.
On the first day of the month, sunrise is at 06:46 and sunset at 20:03. On the last day of September, sunrise is at 07:22 and sunset at 19:06 CEST.

Sunshine

In Comerio, the average sunshine in September is 9.8h.

UV index

In Comerio, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

September temperatures in Comerio, Italy, vary between a high-temperature of 21.5°C (70.7°F) and a low-temperature of 12.2°C (54°F).

The average relative humidity in September in Comerio, Italy, is 74%.

In September, the rain falls for 14.4 days. Throughout September, 54mm (2.13") of precipitation is accumulated.

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

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

On the first day of September in Comerio, sunrise is at 06:46 and sunset at 20:03. On the last day of the month, sunrise is at 07:22 and sunset at 19:06 CEST.

In Comerio, Italy, the average sunshine duration in September is 9.8h.

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to 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
Comerio, Italy

  • Average high temperature in September: 21.5°C

The warmest month (with the highest average high temperature) is July (26.4°C).
The month with the lowest average high temperature is January (4.9°C).

  • Average low temperature in September: 12.2°C

The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).

Average pressure in September
Comerio, Italy

  • Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).

Average wind speed in September
Comerio, Italy

  • Average wind speed in September: 5.9km/h

The windiest month (with the highest average wind speed) is March (6.7km/h).
The calmest month (with the lowest average wind speed) is November (5.4km/h).

Average humidity in September
Comerio, Italy

  • Average humidity in September: 74%

The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is July (70%).

Average rainfall in September
Comerio, Italy

  • Average rainfall in September: 54mm

The wettest month (with the highest rainfall) is November (179mm).
The driest month (with the least rainfall) is January (33mm).

Average rainfall days in September
Comerio, Italy

  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is May (21 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in September
Comerio, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (69mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Comerio, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.3 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
Comerio, 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 48min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).

Average sunshine days in September
Comerio, Italy

  • Average sunshine days in September: 12.9 days

The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is May (6.2 days).

Average UV index in September
Comerio, 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
Comerio, Italy

  • Average cloud cover in September: 26

The month with the most cloud cover is November (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 21).

Average visibility in September
Comerio, Italy

  • Average visibility in September: 9km

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