September weather forecastTraona, Italy

September

Weather in September

September, the first month of the autumn in Traona, is still a comfortable month, with an average temperature varying between 18.3°C (64.9°F) and 9°C (48.2°F).

Temperature

In Traona, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's agreeable 22.7°C (72.9°F) to an enjoyable 18.3°C (64.9°F). The average low-temperature in Traona, Italy, during September nights is a frosty 9°C (48.2°F).

Humidity

In September, the average relative humidity in Traona, Italy, is 79%.

Rainfall

In Traona, Italy, in September, during 14.8 rainfall days, 74mm (2.91") of precipitation is typically accumulated. In Traona, Italy, during the entire year, the rain falls for 162.7 days and collects up to 1310mm (51.57") of precipitation.

Snowfall

June through September are months without snowfall in Traona.

Daylight

In September, the average length of the day is 12h and 32min.
On the first day of the month, sunrise is at 06:43 and sunset at 20:00. On the last day of September, sunrise is at 07:19 and sunset at 19:03 CEST.

Sunshine

In September, the average sunshine in Traona is 9.4h.

UV index

In Traona, Italy, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

The high-temperature, in September, in Traona, is 18.3°C (64.9°F), while the low-temperature averages to 9°C (48.2°F).

In September, the average relative humidity in Traona is 79%.

In Traona, Italy, in September, during 14.8 rainfall days, 74mm (2.91") of precipitation is typically accumulated.

June through September are months without snowfall.

In Traona, in September, it doesn't snow. In October, it regularly snows.

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

On the first day of September in Traona, Italy, sunrise is at 06:43 and sunset at 20:00. On the last day of the month, sunrise is at 07:19 and sunset at 19:03 CEST.

In Traona, Italy, the average sunshine duration in September is 9.4h.

In September, the average daily maximum UV index in Traona, Italy, is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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
Traona, Italy

  • Average high temperature in September: 18.3°C

The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (3.1°C).

  • Average low temperature in September: 9°C

The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

Average pressure in September
Traona, Italy

  • Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is December (1020.3mbar).
The months with the lowest atmospheric pressure are April and May (1015mbar).

Average wind speed in September
Traona, Italy

  • Average wind speed in September: 6.4km/h

The windiest month (with the highest average wind speed) is July (7.1km/h).
The calmest month (with the lowest average wind speed) is November (5.7km/h).

Average humidity in September
Traona, Italy

  • Average humidity in September: 79%

The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is December (74%).

Average rainfall in September
Traona, Italy

  • Average rainfall in September: 74mm

The wettest month (with the highest rainfall) is November (173mm).
The driest month (with the least rainfall) is January (38mm).

Average rainfall days in September
Traona, Italy

  • Average rainfall days in September: 14.8 days

The month with the highest number of rainy days is May (22.1 days).
The month with the least rainy days is February (4 days).

Average snowfall in September
Traona, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (491mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Traona, Italy

  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (11.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Traona, 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 24min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).

Average sunshine days in September
Traona, Italy

  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is June (6.8 days).

Average UV index in September
Traona, Italy

  • Average UV index in September: 4

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

Average cloud cover in September
Traona, Italy

  • Average cloud cover in September: 33

The month with the most cloud cover is November (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in September
Traona, Italy

  • Average visibility in September: 8km

The months with the highest visibility are January, April, May, June, July, August and December (9km).
The months with the lowest visibility are February, March, September, October and November (8km).