Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
A mild drop in San Gennaro Vesuviano's average high-temperature is observed in September, transitioning from a tropical 30.2°C (86.4°F) in August to a warm 25.5°C (77.9°F). San Gennaro Vesuviano's nighttime temperature during September is consistently averaged at a refreshing 18.6°C (65.5°F).Humidity
In September, the average relative humidity is 65%.Rainfall
In September, in San Gennaro Vesuviano, the rain falls for 12.5 days. Throughout September, 48mm (1.89") of precipitation is accumulated. In San Gennaro Vesuviano, Italy, during the entire year, the rain falls for 149.6 days and collects up to 614mm (24.17") of precipitation.Snowfall
In San Gennaro Vesuviano, 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 the month, sunrise is at 06:29 and sunset at 19:34. On the last day of September, in San Gennaro Vesuviano, sunrise is at 06:57 and sunset at 18:45 CEST.
Sunshine
In San Gennaro Vesuviano, the average sunshine in September is 10.9h.UV index
The average daily maximum UV index in September in San Gennaro Vesuviano is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the average September temperature in San Gennaro Vesuviano?
What is the average humidity in September in San Gennaro Vesuviano?
How much does it rain in San Gennaro Vesuviano in September?
When it does not snow in San Gennaro Vesuviano?
How many hours of daylight does San Gennaro Vesuviano have in September?
When is the sunrise / sunset in September in San Gennaro Vesuviano?
How long on average sun shines in September in San Gennaro Vesuviano?
What is the UV index reading in September in San Gennaro Vesuviano?
Average temperature in September
San Gennaro Vesuviano, Italy
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (11.7°C).
- Average low temperature in September: 18.6°C
The month with the highest average low temperature is August (21.6°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).
Average pressure in September
San Gennaro Vesuviano, 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 (1013.9mbar).
Average wind speed in September
San Gennaro Vesuviano, Italy
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in September
San Gennaro Vesuviano, Italy
- Average humidity in September: 65%
The months with the highest relative humidity are January and November (75%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
San Gennaro Vesuviano, Italy
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is November (122mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in September
San Gennaro Vesuviano, Italy
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is January (15.6 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in September
San Gennaro Vesuviano, 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
San Gennaro Vesuviano, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.6 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
San Gennaro Vesuviano, Italy
- Average daylight in September: 12h and 3min
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 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
San Gennaro Vesuviano, Italy
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is July (22.4 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in September
San Gennaro Vesuviano, Italy
- Average UV index in September: 6
The months with the highest UV index are 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
San Gennaro Vesuviano, Italy
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
San Gennaro Vesuviano, 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).
San Gennaro Vesuviano, Italy
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