September weather forecastMarnate, Italy

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Marnate, Italy, with an average temperature ranging between max 22.8°C (73°F) and min 13.6°C (56.5°F).

Temperature

Marnate's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 27.7°C (81.9°F) to an agreeable 22.8°C (73°F). Throughout September, the temperature tends to fall to a consistent average low of 13.6°C (56.5°F).

Humidity

The average relative humidity in September is 72%.

Rainfall

In September, the rain falls for 14.8 days. Throughout September, 72mm (2.83") of precipitation is accumulated. Throughout the year, in Marnate, there are 178.4 rainfall days, and 1147mm (45.16") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 06:46 and sunset at 20:02. On the last day of September, in Marnate, sunrise is at 07:22 and sunset at 19:06 CEST.

Sunshine

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

UV index

In September, the average daily maximum UV index in Marnate is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

The average high-temperature, in September, in Marnate, is 22.8°C (73°F), while the average low-temperature is 13.6°C (56.5°F). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is evaluated at 30°C (86°F).

The average relative humidity in September in Marnate, Italy, is 72%.

In Marnate, in September, it is raining for 14.8 days, with typically 72mm (2.83") of accumulated precipitation.

April through October are months without snowfall in Marnate.

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

On the first day of September in Marnate, sunrise is at 06:46 and sunset at 20:02. On the last day of the month, sunrise is at 07:22 and sunset at 19:06 CEST.

In Marnate, Italy, the average sunshine duration in September is 9.6h.

The average daily maximum UV index in September in Marnate, Italy, is 5. A UV Index estimate of 3 to 5 represents a moderate 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
Marnate, Italy

  • Average high temperature in September: 22.8°C

The warmest month (with the highest average high temperature) is July (27.9°C).
The month with the lowest average high temperature is January (5.6°C).

  • Average low temperature in September: 13.6°C

The month with the highest average low temperature is August (17.7°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).

Average pressure in September
Marnate, Italy

  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).

Average wind speed in September
Marnate, Italy

  • Average wind speed in September: 5.7km/h

The windiest month (with the highest average wind speed) is March (6.8km/h).
The calmest month (with the lowest average wind speed) is December (5.4km/h).

Average humidity in September
Marnate, Italy

  • Average humidity in September: 72%

The month with the highest relative humidity is November (79%).
The months with the lowest relative humidity are April, July and August (70%).

Average rainfall in September
Marnate, Italy

  • Average rainfall in September: 72mm

The wettest month (with the highest rainfall) is November (172mm).
The driest month (with the least rainfall) is January (33mm).

Average rainfall days in September
Marnate, Italy

  • Average rainfall days in September: 14.8 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (8.7 days).

Average snowfall in September
Marnate, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (48mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Marnate, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (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
Marnate, 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 36min).
The month with the least sunshine is November (Average sunshine: 5h and 6min).

Average sunshine days in September
Marnate, Italy

  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is June (5.9 days).

Average UV index in September
Marnate, 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
Marnate, Italy

  • Average cloud cover in September: 28

The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 22).

Average visibility in September
Marnate, 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).