September weather forecastLioni, Italy

September weather for Lioni, Italy: September, the first month of the autumn in Lioni, is still a warm month, with an average temperature ranging between min 16.8°C (62.2°F) and max 25.5°C (77.9°F). Lioni experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a tropical 30.3°C (86.5°F) in August to a warm 25.5°C (77.9°F).

September

Weather in September

September, the first month of the autumn in Lioni, is still a warm month, with an average temperature ranging between min 16.8°C (62.2°F) and max 25.5°C (77.9°F).

Temperature

Lioni experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a tropical 30.3°C (86.5°F) in August to a warm 25.5°C (77.9°F). Lioni experiences an average nighttime temperature of 16.8°C (62.2°F) in the month of September.

Humidity

In Lioni, the average relative humidity in September is 67%.

Rainfall

In Lioni, in September, during 11.8 rainfall days, 38mm (1.5") of precipitation is typically accumulated. In Lioni, during the entire year, the rain falls for 140.4 days and collects up to 513mm (20.2") of precipitation.

Snowfall

March through November are months without snowfall.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 06:26 and sunset at 19:31. On the last day of the month, sunrise is at 06:55 and sunset at 18:42 CEST.

Sunshine

In September, the average sunshine is 10.7h.

UV index

The average daily maximum UV index in September in Lioni is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

During September, Lioni experiences an average high-temperature of 25.5°C (77.9°F) and a low-temperature of 16.8°C (62.2°F). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 34°C (93.2°F).

In Lioni, Italy, the average relative humidity in September is 67%.

In Lioni, in September, during 11.8 rainfall days, 38mm (1.5") of precipitation is typically accumulated.

In Lioni, Italy, snow does not fall in March through November.

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

On the first day of September in Lioni, sunrise is at 06:26 and sunset at 19:31. On the last day of the month, sunrise is at 06:55 and sunset at 18:42 CEST.

In September, the average sunshine duration in Lioni is 10.7h.

In Lioni, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Lioni, Italy

  • Average high temperature in September: 25.5°C

The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (11°C).

  • Average low temperature in September: 16.8°C

The month with the highest average low temperature is August (19.4°C).
The coldest months (with the lowest average low temperature) are January and February (5.3°C).

Average pressure in September
Lioni, Italy

  • Average pressure in September: 1015.4mbar

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).

Average wind speed in September
Lioni, Italy

  • Average wind speed in September: 8.7km/h

The windiest month (with the highest average wind speed) is February (12.2km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).

Average humidity in September
Lioni, Italy

  • Average humidity in September: 67%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (61%).

Average rainfall in September
Lioni, Italy

  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is November (99mm).
The driest month (with the least rainfall) is August (10mm).

Average rainfall days in September
Lioni, Italy

  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is January (14.9 days).
The month with the least rainy days is August (5.4 days).

Average snowfall in September
Lioni, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Lioni, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.7 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
Lioni, 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 months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and February (Average sunshine: 5h and 48min).

Average sunshine days in September
Lioni, Italy

  • Average sunshine days in September: 15.3 days

The months with the most sunshine days are July and August (22.4 days).
The month with the least sunshine days is February (11.3 days).

Average UV index in September
Lioni, 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, February and December (UV index 3).

Average cloud cover in September
Lioni, Italy

  • Average cloud cover in September: 20

The months with the most cloud cover are January and February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in September
Lioni, 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).