September weather forecastCasteldelfino, Italy

September

Weather in September

September, the first month of the autumn in Casteldelfino, is also a moderate month, with an average temperature varying between 4.3°C (39.7°F) and 14.7°C (58.5°F).

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's comfortable 19.2°C (66.6°F) to a still refreshing 14.7°C (58.5°F). September nights in Casteldelfino, Italy, observe an average temperature dip to a cold 4.3°C (39.7°F).

Humidity

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

Rainfall

In September, in Casteldelfino, Italy, the rain falls for 9.5 days. Throughout September, 19mm (0.75") of precipitation is accumulated. In Casteldelfino, Italy, during the entire year, the rain falls for 91.7 days and collects up to 362mm (14.25") of precipitation.

Snowfall

In Casteldelfino, snow does not fall in July through September.

Daylight

The average length of the day in September in Casteldelfino is 12h and 31min.
On the first day of the month, sunrise is at 06:54 and sunset at 20:08. On the last day of September, sunrise is at 07:28 and sunset at 19:14 CEST.

Sunshine

The average sunshine in September in Casteldelfino is 9.5h.

UV index

In Casteldelfino, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 3 during September translates into the following guidance:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

The high-temperature, in September, in Casteldelfino, records 14.7°C (58.5°F), while the low-temperature is 4.3°C (39.7°F).

The average relative humidity in September in Casteldelfino is 74%.

In Casteldelfino, in September, it is raining for 9.5 days, with typically 19mm (0.75") of accumulated precipitation.

In Casteldelfino, Italy, snow does not fall in July through September.

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

In September, the average day length is 12h and 31min.

In September, on the first day of the month, sunrise is at 06:54 and sunset at 20:08. On the last day of the month, sunrise is at 07:28 and sunset at 19:14 CEST.

In September, the average sunshine duration in Casteldelfino, Italy, is 9.5h.

In Casteldelfino, Italy, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Casteldelfino, Italy

  • Average high temperature in September: 14.7°C

The warmest month (with the highest average high temperature) is August (19.2°C).
The month with the lowest average high temperature is January (-1.2°C).

  • Average low temperature in September: 4.3°C

The month with the highest average low temperature is July (7°C).
The coldest month (with the lowest average low temperature) is January (-10.9°C).

Average pressure in September
Casteldelfino, Italy

  • Average pressure in September: 1016.9mbar

The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is April (1014.3mbar).

Average wind speed in September
Casteldelfino, Italy

  • Average wind speed in September: 5.6km/h

The windiest month (with the highest average wind speed) is March (7.8km/h).
The calmest month (with the lowest average wind speed) is September (5.6km/h).

Average humidity in September
Casteldelfino, Italy

  • Average humidity in September: 74%

The months with the highest relative humidity are February and March (86%).
The month with the lowest relative humidity is August (67%).

Average rainfall in September
Casteldelfino, Italy

  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is November (49mm).
The driest month (with the least rainfall) is January (13mm).

Average rainfall days in September
Casteldelfino, Italy

  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is June (15.6 days).
The month with the least rainy days is December (2.4 days).

Average snowfall in September
Casteldelfino, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is November (304mm).
The months with the least snowfall are July, August and September (0mm).

Average snowfall days in September
Casteldelfino, Italy

  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are July and August (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 9h and 30min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

Average sunshine days in September
Casteldelfino, Italy

  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in September
Casteldelfino, Italy

  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in September
Casteldelfino, Italy

  • Average cloud cover in September: 27

The month with the most cloud cover is April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in September
Casteldelfino, Italy

  • Average visibility in September: 9km

The months with the highest visibility are June, July, August, September and October (9km).
The months with the lowest visibility are January, February and March (7km).