September weather forecastSustinente, Italy

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Sustinente, Italy, with an average temperature ranging between min 15.3°C (59.5°F) and max 24.5°C (76.1°F).

Temperature

In Sustinente, the average high-temperature in September drops from a tropical 30.2°C (86.4°F) in August to a moderately hot 24.5°C (76.1°F). An average low-temperature of 15.3°C (59.5°F) is noted during the nights in September in Sustinente.

Humidity

The average relative humidity in September is 70%.

Rainfall

In September, the rain falls for 14.5 days. Throughout September, 66mm (2.6") of precipitation is accumulated. In Sustinente, during the entire year, the rain falls for 172.9 days and collects up to 749mm (29.49") of precipitation.

Snowfall

In Sustinente, snow does not fall in April through November.

Daylight

In Sustinente, the average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 06:38 and sunset at 19:53. On the last day of September, in Sustinente, sunrise is at 07:13 and sunset at 18:58 CEST.

Sunshine

In September, the average sunshine is 10.2h.

UV index

In Sustinente, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 5 during September, leads to the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

The average high-temperature and low-temperature in Sustinente, Italy, during September are 24.5°C (76.1°F) and 15.3°C (59.5°F) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 35°C (95°F).

The average relative humidity in September in Sustinente is 70%.

In Sustinente, during September, the rain falls for 14.5 days and regularly aggregates up to 66mm (2.6") of precipitation.

In Sustinente, snow does not fall in April through November.

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

In September, on the first day of the month, sunrise is at 06:38 and sunset at 19:53. On the last day of the month, in Sustinente, sunrise is at 07:13 and sunset at 18:58 CEST.

In September, the average sunshine duration in Sustinente, Italy, is 10.2h.

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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
Sustinente, Italy

  • Average high temperature in September: 24.5°C

The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (6.5°C).

  • Average low temperature in September: 15.3°C

The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).

Average pressure in September
Sustinente, Italy

  • Average pressure in September: 1016.4mbar

The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is May (1014.3mbar).

Average wind speed in September
Sustinente, Italy

  • Average wind speed in September: 6.2km/h

The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).

Average humidity in September
Sustinente, Italy

  • Average humidity in September: 70%

The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (66%).

Average rainfall in September
Sustinente, Italy

  • Average rainfall in September: 66mm

The wettest month (with the highest rainfall) is May (105mm).
The driest month (with the least rainfall) is January (27mm).

Average rainfall days in September
Sustinente, Italy

  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is December (9.3 days).

Average snowfall in September
Sustinente, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Sustinente, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Sustinente, 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: 10h and 12min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are February and November (Average sunshine: 5h and 30min).

Average sunshine days in September
Sustinente, Italy

  • Average sunshine days in September: 11.9 days

The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is June (6.7 days).

Average UV index in September
Sustinente, Italy

  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in September
Sustinente, Italy

  • Average cloud cover in September: 25

The months with the most cloud cover are February and November (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in September
Sustinente, Italy

  • Average visibility in September: 9km

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