September weather forecastStia, Italy
September
Weather in September
September, the first month of the autumn in Stia, is still a pleasant month, with an average temperature varying between 22.5°C (72.5°F) and 12°C (53.6°F).Temperature
With September's arrival, Stia sees a decrease in average high-temperatures, moving from a warm 28°C (82.4°F) in August to a pleasant 22.5°C (72.5°F). Throughout the month of September, Stia witnesses an average temperature of 12°C (53.6°F).Humidity
In Stia, Italy, the average relative humidity in September is 75%.Rainfall
In Stia, in September, during 13.5 rainfall days, 41mm (1.61") of precipitation is typically accumulated. Throughout the year, in Stia, Italy, there are 155.6 rainfall days, and 623mm (24.53") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Stia, Italy.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 06:37 and sunset at 19:48. On the last day of September, in Stia, sunrise is at 07:10 and sunset at 18:55 CEST.
Sunshine
In September, the average sunshine is 9.9h.UV index
In September, the average daily maximum UV index in Stia is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Undertake protective steps - Preventing sun damage is advised. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stia, Italy
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 12°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
Stia, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Stia, Italy
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Stia, Italy
- Average humidity in September: 75%
The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Stia, Italy
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is November (79mm).
The driest months (with the least rainfall) are January and August (36mm).
Average rainfall days in September
Stia, Italy
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is December (8.6 days).
Average snowfall in September
Stia, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (145mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Stia, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stia, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 54min
The months with the most sunshine are July and August (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Stia, Italy
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is December (17.6 days).
The month with the least sunshine days is May (8.6 days).
Average UV index in September
Stia, 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
Stia, Italy
- Average cloud cover in September: 28
The months with the most cloud cover are February and November (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Stia, Italy
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February, March, October, November and December (8km).
