September weather forecastGrantorto, Italy

September

Weather in September

September, the first month of the autumn in Grantorto, is still a pleasant month, with temperature in the range of an average low of 13.8°C (56.8°F) and an average high of 22.9°C (73.2°F).

Temperature

The onset of September introduces a moderate change in Grantorto's weather, with average high-temperatures falling from August's moderately hot 28°C (82.4°F) to a pleasant 22.9°C (73.2°F). Grantorto, in September, experiences an average temperature of 13.8°C (56.8°F) at night.

Humidity

The average relative humidity in September is 72%.

Rainfall

In September, in Grantorto, the rain falls for 9.8 days. Throughout September, 17mm (0.67") of precipitation is accumulated. In Grantorto, during the entire year, the rain falls for 123.7 days and collects up to 298mm (11.73") of precipitation.

Snowfall

April through November are months without snowfall in Grantorto.

Daylight

In Grantorto, the average length of the day in September is 12h and 32min.
On the first day of September, sunrise is at 06:34 and sunset at 19:50. On the last day of the month, sunrise is at 07:10 and sunset at 18:55 CEST.

Sunshine

In September, the average sunshine in Grantorto is 10h.

UV index

In September, the average daily maximum UV index in Grantorto is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, an average UV index of 5 transforms into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

September temperatures in Grantorto vary between a high-temperature of 22.9°C (73.2°F) and a low-temperature of 13.8°C (56.8°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 30°C (86°F).

In Grantorto, the average relative humidity in September is 72%.

In Grantorto, during September, the rain falls for 9.8 days and regularly aggregates up to 17mm (0.67") of precipitation.

April through November are months without snowfall in Grantorto, Italy.

The average day length in September in Grantorto, Italy, is 12h and 32min.

In September, on the first day of the month, sunrise is at 06:34 and sunset at 19:50. On the last day of the month, in Grantorto, Italy, sunrise is at 07:10 and sunset at 18:55 CEST.

In September, the average sunshine duration is 10h.

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Grantorto, Italy

  • Average high temperature in September: 22.9°C

The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in September: 13.8°C

The month with the highest average low temperature is August (17.7°C).
The coldest month (with the lowest average low temperature) is January (0.2°C).

Average pressure in September
Grantorto, Italy

  • Average pressure in September: 1016.9mbar

The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is May (1014.6mbar).

Average wind speed in September
Grantorto, Italy

  • Average wind speed in September: 6.6km/h

The windiest month (with the highest average wind speed) is April (7.9km/h).
The calmest month (with the lowest average wind speed) is December (5.7km/h).

Average humidity in September
Grantorto, Italy

  • Average humidity in September: 72%

The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is August (68%).

Average rainfall in September
Grantorto, Italy

  • Average rainfall in September: 17mm

The wettest month (with the highest rainfall) is August (44mm).
The driest month (with the least rainfall) is January (8mm).

Average rainfall days in September
Grantorto, Italy

  • Average rainfall days in September: 9.8 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is December (5.5 days).

Average snowfall in September
Grantorto, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Grantorto, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.3 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
Grantorto, 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 0min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

Average sunshine days in September
Grantorto, Italy

  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in September
Grantorto, Italy

  • Average UV index in September: 5

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

Average cloud cover in September
Grantorto, Italy

  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in September
Grantorto, Italy

  • Average visibility in September: 9km

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