September weather forecastSan Basilio, Italy
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in San Basilio, Italy, with an average temperature varying between 25.9°C (78.6°F) and 19.9°C (67.8°F).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 29.9°C (85.8°F) in August to a still moderately hot 25.9°C (78.6°F). San Basilio reports an average low-temperature of 19.9°C (67.8°F) during the nights of September.Humidity
In September, the average relative humidity is 68%.Rainfall
In San Basilio, in September, during 9 rainfall days, 23mm (0.91") of precipitation is typically accumulated. In San Basilio, during the entire year, the rain falls for 110.6 days and collects up to 313mm (12.32") of precipitation.Snowfall
In San Basilio, snow does not fall in January, March through November.Daylight
The average length of the day in September is 12h and 27min.On the first day of September in San Basilio, sunrise is at 06:51 and sunset at 19:54. On the last day of the month, sunrise is at 07:18 and sunset at 19:07 CEST.
Sunshine
In September, the average sunshine is 10.3h.UV index
The average daily maximum UV index in September in San Basilio is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
San Basilio, Italy
- Average high temperature in September: 25.9°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (13.4°C).
- Average low temperature in September: 19.9°C
The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).
Average pressure in September
San Basilio, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is April (1014.2mbar).
Average wind speed in September
San Basilio, Italy
- Average wind speed in September: 12km/h
The windiest months (with the highest average wind speed) are January and February (17.1km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
San Basilio, Italy
- Average humidity in September: 68%
The months with the highest relative humidity are January, November and December (77%).
The month with the lowest relative humidity is July (60%).
Average rainfall in September
San Basilio, Italy
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is November (66mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in September
San Basilio, Italy
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is November (13.3 days).
The month with the least rainy days is July (3.3 days).
Average snowfall days in September
San Basilio, Italy
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
San Basilio, Italy
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 10h and 18min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in September
San Basilio, Italy
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is November (13.7 days).
Average UV index in September
San Basilio, Italy
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
San Basilio, Italy
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 32).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in September
San Basilio, 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).
