September weather forecastVallà, Italy
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Vallà, Italy, with temperature in the range of an average low of 12.5°C (54.5°F) and an average high of 21°C (69.8°F).Temperature
A moderate decline in average high-temperatures is noted in September, moving from a moderately hot 25.5°C (77.9°F) in August to an agreeable 21°C (69.8°F). Vallà experiences an average low-temperature of 12.5°C (54.5°F) in the month of September.Humidity
The average relative humidity in September in Vallà, Italy, is 76%.Rainfall
In Vallà, Italy, in September, it is raining for 17.9 days, with typically 72mm (2.83") of accumulated precipitation. Throughout the year, there are 210.9 rainfall days, and 1130mm (44.49") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 06:34 and sunset at 19:50. On the last day of the month, sunrise is at 07:09 and sunset at 18:54 CEST.
Sunshine
The average sunshine in September in Vallà is 10.1h.UV index
The average daily maximum UV index in September in Vallà is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vallà, Italy
- Average high temperature in September: 21°C
The warmest month (with the highest average high temperature) is August (25.5°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in September: 12.5°C
The months with the highest average low temperature are July and August (15.8°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Vallà, Italy
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is May (1014.7mbar).
Average wind speed in September
Vallà, Italy
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is April (7.3km/h).
The calmest month (with the lowest average wind speed) is December (5.7km/h).
Average humidity in September
Vallà, Italy
- Average humidity in September: 76%
The month with the highest relative humidity is November (81%).
The months with the lowest relative humidity are August and December (74%).
Average rainfall in September
Vallà, Italy
- Average rainfall in September: 72mm
The wettest month (with the highest rainfall) is June (142mm).
The driest month (with the least rainfall) is January (41mm).
Average rainfall days in September
Vallà, Italy
- Average rainfall days in September: 17.9 days
The month with the highest number of rainy days is May (25 days).
The month with the least rainy days is December (10.1 days).
Average snowfall in September
Vallà, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Vallà, Italy
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (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
Vallà, 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: 10h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The months with the least sunshine are February and November (Average sunshine: 5h and 30min).
Average sunshine days in September
Vallà, Italy
- Average sunshine days in September: 8.9 days
The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is June (2.8 days).
Average UV index in September
Vallà, Italy
- Average UV index in September: 4
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
Vallà, Italy
- Average cloud cover in September: 29
The months with the most cloud cover are February and November (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Vallà, Italy
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
