September weather forecastNova Siri, Italy

September

Weather in September

The first month of the autumn, September, is still a warm month in Nova Siri, Italy, with an average temperature ranging between min 20.1°C (68.2°F) and max 26.7°C (80.1°F).

Temperature

The start of September involves a temperature drop, moving from a hot 31.8°C (89.2°F) in August to a warm 26.7°C (80.1°F). During the nights in September, an average low-temperature of 20.1°C (68.2°F) is observed.

Humidity

In Nova Siri, the average relative humidity in September is 60%.

Rainfall

In September, the rain falls for 8.5 days. Throughout September, 20mm (0.79") of precipitation is accumulated. In Nova Siri, during the entire year, the rain falls for 110 days and collects up to 302mm (11.89") of precipitation.

Snowfall

In Nova Siri, snow does not fall in February through November.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 06:21 and sunset at 19:25. On the last day of the month, sunrise is at 06:49 and sunset at 18:37 CEST.

Sunshine

In September, the average sunshine is 10.7h.

UV index

In Nova Siri, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during September leads to these advisories:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

The high-temperature during September is 26.7°C (80.1°F) and the low-temperature is 20.1°C (68.2°F). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 35°C (95°F).

The average relative humidity in September in Nova Siri is 60%.

In Nova Siri, Italy, in September, it is raining for 8.5 days, with typically 20mm (0.79") of accumulated precipitation.

In Nova Siri, snow does not fall in February through November.

In Nova Siri, the average day length in September is 12h and 28min.

On the first day of September, sunrise is at 06:21 and sunset at 19:25. On the last day of the month, sunrise is at 06:49 and sunset at 18:37 CEST.

The average sunshine duration in September in Nova Siri is 10.7h.

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Nova Siri, Italy

  • Average high temperature in September: 26.7°C

The warmest month (with the highest average high temperature) is August (31.8°C).
The month with the lowest average high temperature is January (12.3°C).

  • Average low temperature in September: 20.1°C

The month with the highest average low temperature is August (23.6°C).
The coldest month (with the lowest average low temperature) is January (7.3°C).

Average pressure in September
Nova Siri, Italy

  • Average pressure in September: 1014.8mbar

The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1012.7mbar).

Average wind speed in September
Nova Siri, Italy

  • Average wind speed in September: 11.8km/h

The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).

Average humidity in September
Nova Siri, Italy

  • Average humidity in September: 60%

The months with the highest relative humidity are January and November (74%).
The months with the lowest relative humidity are July and August (53%).

Average rainfall in September
Nova Siri, Italy

  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is March (42mm).
The driest month (with the least rainfall) is August (10mm).

Average rainfall days in September
Nova Siri, Italy

  • Average rainfall days in September: 8.5 days

The months with the highest number of rainy days are March and April (12.3 days).
The month with the least rainy days is August (5.3 days).

Average snowfall in September
Nova Siri, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Nova Siri, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.6 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
Nova Siri, Italy

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 10h and 42min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in September
Nova Siri, Italy

  • Average sunshine days in September: 19.5 days

The month with the most sunshine days is August (22.7 days).
The month with the least sunshine days is February (15.3 days).

Average UV index in September
Nova Siri, Italy

  • Average UV index in September: 6

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

Average cloud cover in September
Nova Siri, Italy

  • Average cloud cover in September: 17

The month with the most cloud cover is January (Cloud cover 33).
The months with the least cloud cover are July and August (Cloud cover 10).

Average visibility in September
Nova Siri, Italy

  • Average visibility in September: 10km

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