September weather forecastRiofreddo, Italy

September

Weather in September

The first month of the autumn, September, is still a warm month in Riofreddo, Italy, with an average temperature varying between 24.8°C (76.6°F) and 14.3°C (57.7°F).

Temperature

The commencement of September involves a temperature shift, with the average high-temperature dropping from a hot 30.5°C (86.9°F) in August to a moderately hot 24.8°C (76.6°F). An average low-temperature of 14.3°C (57.7°F) is noted during the month of September.

Humidity

The average relative humidity in September is 67%.

Rainfall

In September, the rain falls for 12.7 days. Throughout September, 44mm (1.73") of precipitation is accumulated. Throughout the year, there are 155.8 rainfall days, and 654mm (25.75") of precipitation is accumulated.

Snowfall

March through December are months without snowfall.

Daylight

The average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 06:34 and sunset at 19:41. On the last day of September, sunrise is at 07:04 and sunset at 18:51 CEST.

Sunshine

In September, the average sunshine in Riofreddo is 10.8h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. To guard against the harmful effects of the Sun, minimize exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

In Riofreddo, in September, the average high-temperature is 24.8°C (76.6°F), and the average low-temperature is 14.3°C (57.7°F). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 33°C (91.4°F).

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

In September, in Riofreddo, Italy, the rain falls for 12.7 days. Throughout September, 44mm (1.73") of precipitation is accumulated.

March through December are months without snowfall in Riofreddo.

In Riofreddo, the average day length in September is 12h and 29min.

In September, on the first day of the month, sunrise is at 06:34 and sunset at 19:41. On the last day of the month, in Riofreddo, sunrise is at 07:04 and sunset at 18:51 CEST.

The average sunshine duration in September in Riofreddo is 10.8h.

The average daily maximum UV index in September in Riofreddo, Italy, is 5. A UV Index estimate 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
Riofreddo, Italy

  • Average high temperature in September: 24.8°C

The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (9.8°C).

  • Average low temperature in September: 14.3°C

The month with the highest average low temperature is August (17.6°C).
The coldest months (with the lowest average low temperature) are January and February (2.8°C).

Average pressure in September
Riofreddo, Italy

  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014mbar).

Average wind speed in September
Riofreddo, Italy

  • Average wind speed in September: 7.6km/h

The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).

Average humidity in September
Riofreddo, Italy

  • Average humidity in September: 67%

The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is August (58%).

Average rainfall in September
Riofreddo, Italy

  • Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is November (105mm).
The driest month (with the least rainfall) is August (20mm).

Average rainfall days in September
Riofreddo, Italy

  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is August (6.5 days).

Average snowfall in September
Riofreddo, Italy

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (30mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Riofreddo, Italy

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.5 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
Riofreddo, Italy

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 10h and 48min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).

Average sunshine days in September
Riofreddo, Italy

  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is May (10.1 days).

Average UV index in September
Riofreddo, Italy

  • Average UV index in September: 5

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

Average cloud cover in September
Riofreddo, Italy

  • Average cloud cover in September: 20

The month with the most cloud cover is January (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in September
Riofreddo, Italy

  • Average visibility in September: 10km

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