September weather forecastCasso, Italy
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Casso, Italy, with an average temperature varying between 9.6°C (49.3°F) and 18.8°C (65.8°F).Temperature
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a moderately hot 23.2°C (73.8°F) in August to a refreshing 18.8°C (65.8°F). In September, Casso encounters an average low-temperature of 9.6°C (49.3°F) during the night.Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 19 days. Throughout September, 91mm (3.58") of precipitation is accumulated. Throughout the year, there are 217.7 rainfall days, and 1342mm (52.83") of precipitation is accumulated.Snowfall
In Casso, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 32min.On the first day of September in Casso, sunrise is at 06:31 and sunset at 19:49. On the last day of the month, sunrise is at 07:08 and sunset at 18:52 CEST.
Sunshine
In September, the average sunshine is 9.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Stay sun-safe with clothing that is both closely woven and worn loosely. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Casso, Italy
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in September: 9.6°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in September
Casso, Italy
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is May (1015mbar).
Average wind speed in September
Casso, Italy
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is July (7km/h).
The calmest month (with the lowest average wind speed) is November (5.6km/h).
Average humidity in September
Casso, Italy
- Average humidity in September: 79%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is December (75%).
Average rainfall in September
Casso, Italy
- Average rainfall in September: 91mm
The wettest month (with the highest rainfall) is November (173mm).
The driest month (with the least rainfall) is January (50mm).
Average rainfall days in September
Casso, Italy
- Average rainfall days in September: 19 days
The months with the highest number of rainy days are May and July (25.3 days).
The month with the least rainy days is January (10.1 days).
Average snowfall in September
Casso, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (50mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Casso, Italy
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
Casso, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).
Average sunshine days in September
Casso, Italy
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is December (17.9 days).
The month with the least sunshine days is June (3 days).
Average UV index in September
Casso, Italy
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Casso, Italy
- Average cloud cover in September: 33
The month with the most cloud cover is November (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Casso, Italy
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
