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
September
Weather in September
Temperature
The shift from August to September involves a decrease in the average high-temperature, from a hot 30.4°C (86.7°F) to a moderately hot 24.8°C (76.6°F). Throughout the September nights, Alvito encounters a low-temperature of 14.2°C (57.6°F).Humidity
In Alvito, the average relative humidity in September is 68%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 40mm (1.57") of precipitation is accumulated. Throughout the year, there are 150.3 rainfall days, and 564mm (22.2") of precipitation is accumulated.Snowfall
January, March through November are months without snowfall.Daylight
In September, the average length of the day in Alvito is 12h and 29min.On the first day of the month, sunrise is at 06:31 and sunset at 19:38. On the last day of September, sunrise is at 07:01 and sunset at 18:48 CEST.
Sunshine
In Alvito, the average sunshine in September is 10.9h.UV index
In Alvito, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Alvito?
What is the average humidity in September in Alvito?
How much does it rain in Alvito in September?
When it does not snow in Alvito?
What is the average length of the day in September in Alvito?
What time are sunrise and sunset in September in Alvito?
How long on average sun shines in September in Alvito?
What is the UV index intensity in September in Alvito?
Average temperature in September
Alvito, Italy
- Average high temperature in September: 24.8°C
The warmest month (with the highest average high temperature) is August (30.4°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in September: 14.2°C
The month with the highest average low temperature is August (17.2°C).
The coldest months (with the lowest average low temperature) are January and February (2.6°C).
Average pressure in September
Alvito, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in September
Alvito, Italy
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is February (9km/h).
The calmest months (with the lowest average wind speed) are June and August (6.6km/h).
Average humidity in September
Alvito, Italy
- Average humidity in September: 68%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Alvito, Italy
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is November (110mm).
The driest month (with the least rainfall) is August (19mm).
Average rainfall days in September
Alvito, Italy
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is August (8.6 days).
Average snowfall in September
Alvito, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Alvito, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Alvito, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Alvito, Italy
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is August (18.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Alvito, 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 and December (UV index 2).
Average cloud cover in September
Alvito, Italy
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Alvito, Italy
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
