September weather forecastVitulazio, Italy

September

Weather in September

The first month of the autumn, September, is still a warm month in Vitulazio, Italy, with an average temperature ranging between min 17.7°C (63.9°F) and max 26.5°C (79.7°F).

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a hot 31.3°C (88.3°F) in August to a moderately hot 26.5°C (79.7°F). In the month of September, the average temperature dips to an enjoyable 17.7°C (63.9°F) during the night.

Humidity

In September, the average relative humidity is 64%.

Rainfall

In September, the rain falls for 11.4 days. Throughout September, 42mm (1.65") of precipitation is accumulated. Throughout the year, in Vitulazio, there are 143 rainfall days, and 599mm (23.58") of precipitation is accumulated.

Snowfall

In Vitulazio, snow does not fall in March through December.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 06:30 and sunset at 19:35. On the last day of the month, sunrise is at 06:59 and sunset at 18:46 CEST.

Sunshine

The average sunshine in September is 10.7h.

UV index

In Vitulazio, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: An average UV index of 6 in September transforms into this advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

The average high-temperature and low-temperature in Vitulazio during September are 26.5°C (79.7°F) and 17.7°C (63.9°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in August is appraised at 35°C (95°F).

In September, the average relative humidity in Vitulazio, Italy, is 64%.

In September, in Vitulazio, the rain falls for 11.4 days. Throughout September, 42mm (1.65") of precipitation is accumulated.

March through December are months without snowfall.

In Vitulazio, Italy, the average day length in September is 12h and 28min.

On the first day of September in Vitulazio, Italy, sunrise is at 06:30 and sunset at 19:35. On the last day of the month, sunrise is at 06:59 and sunset at 18:46 CEST.

The average sunshine duration in September is 10.7h.

The average daily maximum UV index in September in Vitulazio, Italy, is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Vitulazio, Italy

  • Average high temperature in September: 26.5°C

The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (11.7°C).

  • Average low temperature in September: 17.7°C

The month with the highest average low temperature is August (20.9°C).
The coldest month (with the lowest average low temperature) is February (5.9°C).

Average pressure in September
Vitulazio, Italy

  • Average pressure in September: 1015.5mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The months with the lowest atmospheric pressure are April and July (1014mbar).

Average wind speed in September
Vitulazio, Italy

  • Average wind speed in September: 8.9km/h

The windiest month (with the highest average wind speed) is February (11.6km/h).
The calmest month (with the lowest average wind speed) is August (7.9km/h).

Average humidity in September
Vitulazio, Italy

  • Average humidity in September: 64%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (57%).

Average rainfall in September
Vitulazio, Italy

  • Average rainfall in September: 42mm

The wettest month (with the highest rainfall) is November (122mm).
The driest month (with the least rainfall) is August (10mm).

Average rainfall days in September
Vitulazio, Italy

  • Average rainfall days in September: 11.4 days

The months with the highest number of rainy days are March and May (14.5 days).
The month with the least rainy days is August (6 days).

Average snowfall in September
Vitulazio, Italy

  • Average snowfall in September: 0mm

The months with the highest snowfall are January and February (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Vitulazio, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 10h and 42min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in September
Vitulazio, Italy

  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is May (12.1 days).

Average UV index in September
Vitulazio, Italy

  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in September
Vitulazio, Italy

  • Average cloud cover in September: 21

The month with the most cloud cover is January (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in September
Vitulazio, Italy

  • Average visibility in September: 10km

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