September weather forecastRivello, Italy

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Rivello, Italy, with an average temperature ranging between min 20.9°C (69.6°F) and max 24.2°C (75.6°F).

Temperature

A moderate decline in average high-temperatures is noted in September, moving from a moderately hot 27.3°C (81.1°F) in August to a still warm 24.2°C (75.6°F). The nights of September anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 20.9°C (69.6°F).

Humidity

August and September, with an average relative humidity of 67%, are the least humid months.

Rainfall

In Rivello, Italy, in September, it is raining for 10.7 days, with typically 35mm (1.38") of accumulated precipitation. In Rivello, during the entire year, the rain falls for 123.6 days and collects up to 446mm (17.56") of precipitation.

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of September, sunrise is at 06:25 and sunset at 19:28. On the last day of the month, sunrise is at 06:52 and sunset at 18:40 CEST.

Sunshine

The average sunshine in September is 10.8h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 6 during September translates into the following directions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

September temperatures in Rivello vary between a high-temperature of 24.2°C (75.6°F) and a low-temperature of 20.9°C (69.6°F). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 29°C (84.2°F).

The months with the lowest humidity in Rivello, Italy, are August and September, with an average relative humidity of 67%.

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

In Rivello, during September, the rain falls for 10.7 days and regularly aggregates up to 35mm (1.38") of precipitation.

In September, the average day length in Rivello, Italy, is 12h and 27min.

On the first day of September in Rivello, sunrise is at 06:25 and sunset at 19:28. On the last day of the month, sunrise is at 06:52 and sunset at 18:40 CEST.

In September, the average sunshine duration in Rivello, Italy, is 10.8h.

The average daily maximum UV index in September in Rivello, Italy, is 6. A UV Index of 6 to 7 symbolizes a high health threat 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Rivello, Italy

  • Average high temperature in September: 24.2°C

The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (11.9°C).

  • Average low temperature in September: 20.9°C

The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is February (9.4°C).

Average pressure in September
Rivello, Italy

  • Average pressure in September: 1015.5mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).

Average wind speed in September
Rivello, Italy

  • Average wind speed in September: 10.2km/h

The windiest month (with the highest average wind speed) is January (15.1km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).

Average humidity in September
Rivello, Italy

  • Average humidity in September: 67%

The month with the highest relative humidity is April (73%).
The months with the lowest relative humidity are August and September (67%).

Average rainfall in September
Rivello, Italy

  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is August (8mm).

Average rainfall days in September
Rivello, Italy

  • Average rainfall days in September: 10.7 days

The month with the highest number of rainy days is March (14 days).
The month with the least rainy days is August (4.3 days).

Average daylight in September /
Average sunshine in September
Rivello, Italy

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 10h and 48min

The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in September
Rivello, Italy

  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is August (22 days).
The month with the least sunshine days is February (13.5 days).

Average UV index in September
Rivello, Italy

  • Average UV index in September: 6

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in September
Rivello, Italy

  • Average cloud cover in September: 18

The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 8).

Average visibility in September
Rivello, 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).