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
With the onset of September, the average high-temperature subtly recedes from August's warm 29.6°C (85.3°F) to a still moderately hot 24.8°C (76.6°F). In Sant'Alfio, the average temperature during the nights of September drops to a comfortable 17.2°C (63°F).Humidity
The average relative humidity in September in Sant'Alfio is 69%.Rainfall
In September, the rain falls for 15.4 days. Throughout September, 82mm (3.23") of precipitation is accumulated. In Sant'Alfio, during the entire year, the rain falls for 147.1 days and collects up to 735mm (28.94") of precipitation.Snowfall
In Sant'Alfio, snow does not fall in June through November.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 06:29 and sunset at 19:28. On the last day of September, in Sant'Alfio, sunrise is at 06:54 and sunset at 18:44 CEST.
Sunshine
In September, the average sunshine is 10.4h.UV index
In Sant'Alfio, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 5 in September leads to these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the usual temperature for Sant'Alfio in September?
What is the average humidity in September in Sant'Alfio?
How many days does it rain in September in Sant'Alfio?
When it does not snow in Sant'Alfio?
How many hours of daylight does Sant'Alfio have in September?
When are sunrise and sunset in September in Sant'Alfio?
How long on average sun shines in September in Sant'Alfio?
What is the UV index reading in September in Sant'Alfio?
Average temperature in September
Sant'Alfio, Italy
- Average high temperature in September: 24.8°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in September: 17.2°C
The month with the highest average low temperature is August (19.8°C).
The coldest month (with the lowest average low temperature) is January (4°C).
Average pressure in September
Sant'Alfio, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is July (1014.2mbar).
Average wind speed in September
Sant'Alfio, Italy
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Sant'Alfio, Italy
- Average humidity in September: 69%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is July (55%).
Average rainfall in September
Sant'Alfio, Italy
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is April (87mm).
The driest month (with the least rainfall) is July (28mm).
Average rainfall days in September
Sant'Alfio, Italy
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is October (16.2 days).
The month with the least rainy days is July (6.3 days).
Average snowfall in September
Sant'Alfio, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (313mm).
The months with the least snowfall are June, July, August, September, October and November (0mm).
Average snowfall days in September
Sant'Alfio, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Sant'Alfio, Italy
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Sant'Alfio, Italy
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is July (23.4 days).
The month with the least sunshine days is September (11.3 days).
Average UV index in September
Sant'Alfio, Italy
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Sant'Alfio, Italy
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in September
Sant'Alfio, Italy
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February, March, April and November (9km).
Sant'Alfio, Italy
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