September weather forecastRognano, Italy

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Rognano, Italy, with an average temperature ranging between max 24.3°C (75.7°F) and min 14.3°C (57.7°F).

Temperature

Transition into September marks a drop in the average high-temperature, moving from 29.3°C (84.7°F) in August to a still moderately hot 24.3°C (75.7°F). In the month of September, the average temperature dips to a mild 14.3°C (57.7°F) during the night.

Humidity

In September, the average relative humidity in Rognano, Italy, is 73%.

Rainfall

In Rognano, in September, during 12.6 rainfall days, 55mm (2.17") of precipitation is typically accumulated. In Rognano, during the entire year, the rain falls for 166.5 days and collects up to 803mm (31.61") of precipitation.

Snowfall

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

Daylight

The average length of the day in September in Rognano, Italy, is 12h and 32min.
On the first day of September, sunrise is at 06:45 and sunset at 20:01. On the last day of the month, sunrise is at 07:21 and sunset at 19:05 CEST.

Sunshine

In Rognano, the average sunshine in September is 9.8h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

During September, Rognano experiences an average high-temperature of 24.3°C (75.7°F) and a low-temperature of 14.3°C (57.7°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 33°C (91.4°F).

The average relative humidity in September in Rognano, Italy, is 73%.

In Rognano, in September, during 12.6 rainfall days, 55mm (2.17") of precipitation is typically accumulated.

In Rognano, Italy, snow does not fall in April through November.

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

In September, on the first day of the month, sunrise is at 06:45 and sunset at 20:01. On the last day of the month, in Rognano, Italy, sunrise is at 07:21 and sunset at 19:05 CEST.

In September, the average sunshine duration in Rognano, Italy, is 9.8h.

In September, the average daily maximum UV index in Rognano, Italy, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Rognano, Italy

  • Average high temperature in September: 24.3°C

The warmest month (with the highest average high temperature) is July (29.5°C).
The month with the lowest average high temperature is January (6.3°C).

  • Average low temperature in September: 14.3°C

The month with the highest average low temperature is August (18.1°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).

Average pressure in September
Rognano, Italy

  • Average pressure in September: 1016.7mbar

The month with the highest atmospheric pressure is December (1019.6mbar).
The months with the lowest atmospheric pressure are April and May (1014.4mbar).

Average wind speed in September
Rognano, Italy

  • Average wind speed in September: 5.5km/h

The windiest month (with the highest average wind speed) is April (7km/h).
The calmest months (with the lowest average wind speed) are August and December (5.3km/h).

Average humidity in September
Rognano, Italy

  • Average humidity in September: 73%

The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (69%).

Average rainfall in September
Rognano, Italy

  • Average rainfall in September: 55mm

The wettest month (with the highest rainfall) is November (96mm).
The driest month (with the least rainfall) is January (36mm).

Average rainfall days in September
Rognano, Italy

  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in September
Rognano, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (40mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Rognano, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.3 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
Rognano, 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: 9h and 48min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).

Average sunshine days in September
Rognano, Italy

  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in September
Rognano, 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, February, November and December (UV index 2).

Average cloud cover in September
Rognano, Italy

  • Average cloud cover in September: 25

The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 19).

Average visibility in September
Rognano, Italy

  • Average visibility in September: 9km

The month with the highest visibility is June (10km).
The month with the lowest visibility is November (8km).