September weather forecastSecondigliano, Italy
September
Weather in September
The first month of the autumn, September, is still a warm month in Secondigliano, Italy, with an average temperature varying between 18.6°C (65.5°F) and 26.4°C (79.5°F).Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a hot 31.1°C (88°F) in August to a moderately hot 26.4°C (79.5°F). The average low-temperature during September nights is an enjoyable 18.6°C (65.5°F).Humidity
In September, the average relative humidity is 63%.Rainfall
In September, the rain falls for 9.2 days. Throughout September, 26mm (1.02") of precipitation is accumulated. In Secondigliano, during the entire year, the rain falls for 126.3 days and collects up to 529mm (20.83") of precipitation.Snowfall
In Secondigliano, snow does not fall in March through December.Daylight
The average length of the day in September is 12h and 28min.On the first day of September in Secondigliano, sunrise is at 06:30 and sunset at 19:35. On the last day of the month, sunrise is at 06:58 and sunset at 18:46 CEST.
Sunshine
In September, the average sunshine is 10.9h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Secondigliano, Italy
- Average high temperature in September: 26.4°C
The warmest month (with the highest average high temperature) is August (31.1°C).
The month with the lowest average high temperature is January (12.1°C).
- Average low temperature in September: 18.6°C
The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).
Average pressure in September
Secondigliano, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The months with the lowest atmospheric pressure are April and July (1014mbar).
Average wind speed in September
Secondigliano, Italy
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is February (12.5km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in September
Secondigliano, Italy
- Average humidity in September: 63%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Secondigliano, Italy
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is November (117mm).
The driest month (with the least rainfall) is August (4mm).
Average rainfall days in September
Secondigliano, Italy
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is January (16 days).
The month with the least rainy days is July (2.5 days).
Average snowfall in September
Secondigliano, Italy
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Secondigliano, Italy
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Secondigliano, 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 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Secondigliano, Italy
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Secondigliano, Italy
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Secondigliano, Italy
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in September
Secondigliano, 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).





