September weather forecastRibera, Italy

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Ribera, Italy, with temperature in the range of an average high of 26.9°C (80.4°F) and an average low of 21.1°C (70°F).

Temperature

Ribera observes a small decrease in the average high-temperature with the arrival of September, falling from August's tropical 31.2°C (88.2°F) to a warm 26.9°C (80.4°F). Ribera temperatures generally rest at a low of 21.1°C (70°F) during the September nights.

Humidity

In Ribera, the average relative humidity in September is 66%.

Rainfall

In Ribera, Italy, during September, the rain falls for 6.8 days and regularly aggregates up to 18mm (0.71") of precipitation. Throughout the year, there are 101.9 rainfall days, and 319mm (12.56") of precipitation is accumulated.

Daylight

In Ribera, the average length of the day in September is 12h and 25min.
On the first day of September in Ribera, sunrise is at 06:37 and sunset at 19:35. On the last day of the month, sunrise is at 07:01 and sunset at 18:51 CEST.

Sunshine

The average sunshine in September in Ribera is 11h.

UV index

In Ribera, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 6 during September leads to these instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

The high-temperature during September is 26.9°C (80.4°F) and the low-temperature is 21.1°C (70°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 35°C (95°F).

In Ribera, Italy, the average relative humidity in September is 66%.

In Ribera, in September, it is raining for 6.8 days, with typically 18mm (0.71") of accumulated precipitation.

In Ribera, Italy, the average day length in September is 12h and 25min.

On the first day of September in Ribera, Italy, sunrise is at 06:37 and sunset at 19:35. On the last day of the month, sunrise is at 07:01 and sunset at 18:51 CEST.

The average sunshine duration in September in Ribera, Italy, is 11h.

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ribera, Italy

  • Average high temperature in September: 26.9°C

The warmest month (with the highest average high temperature) is August (31.2°C).
The month with the lowest average high temperature is January (13.6°C).

  • Average low temperature in September: 21.1°C

The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is February (8.1°C).

Average pressure in September
Ribera, Italy

  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is July (1014.2mbar).

Average wind speed in September
Ribera, Italy

  • Average wind speed in September: 12.5km/h

The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).

Average humidity in September
Ribera, Italy

  • Average humidity in September: 66%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is July (55%).

Average rainfall in September
Ribera, Italy

  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is July (1mm).

Average rainfall days in September
Ribera, Italy

  • Average rainfall days in September: 6.8 days

The month with the highest number of rainy days is January (14.3 days).
The month with the least rainy days is July (1.6 days).

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

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 11h and 0min

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

Average sunshine days in September
Ribera, Italy

  • Average sunshine days in September: 20.9 days

The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is February (12.3 days).

Average UV index in September
Ribera, Italy

  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in September
Ribera, Italy

  • Average cloud cover in September: 16

The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 5).

Average visibility in September
Ribera, 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).